Performance Upgrades - Audi A3

Audi A3 - Parts and Accessories
Showing 1 to 289 of 289 (1 Pages)
AUDI A3 Throttle Response Controller - MADNESS GOPedal
Recommended by MADNESS
Audi S3 Throttle Response Controller - MADNESS GOPedal
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Audi A3 Performance Air Filter - Sprint Filter - F1 Ultimate Performance - RS3
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Audi A3 Performance Air Filter - Sprint Filter - P08 - RS3
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Audi A3 Performance Air Filter - Sprint Filter - WP Ultra Fine/ Waterproof - RS3
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7 Degree Reamer Tool - Rough Country

7 Degree Reamer Tool - Rough Country

 price
$99.95
$119.94 Save: $19.99
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Audi A3 III/ Cabrio - Performance Air Filter by BMC - FB756/20
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Audi A3 Sportback Performance Exhaust - Ragazzon - Down Pipe - Evo Line - 200cpsi Catalyist- (2020+)
Recommended by MADNESS
Audi A3 Sportback Performance Exhaust - Ragazzon - Down Pipe - Evo Line - Decat - (2020+)
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Audi S3 Sedan Quattro Performance Exhaust - 2.0FTSI - Ragazzon - Evo Line - Front Section w/ 200cpsi Catalyst (2024+)
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Audi S3 Sportback Quattro Exhaust by Ragazzon - Dual Exit/ Quad Tip (2013 - 2016)
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BMC Intake Replacement Filter - 54mm/ 2.125"

BMC Intake Replacement Filter - 54mm/ 2.125"

 price
$86.99
$126.99 Save: $40.00
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Recommended by MADNESS
BMC Intake Replacement Filter - 63mm/ 2.5" - FBTW63-140P
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BMC Intake Replacement Filter - 70mm/ 2.75" - FBTS70-150P
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BMC Intake Replacement Filter - 70mm/ 2.75" - FBTW70-140P
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BMC Intake Replacement Filter - Carbon Dynamic Airbox (CDA) - 2.75" Inlet/ Outlet - ACCDASP-56
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Carbon Racing Performance Air Filter by BMC - CRF613/08
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OBDII Connector - Rough Country - 2 to 1

OBDII Connector - Rough Country - 2 to 1

 price
$19.95
$23.94 Save: $3.99
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Performance Air Intake - Rough Country - High-Flow Replacement Filter
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Pressure Sensor - Rough Country - Universal TPMS
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Wireless Air Bag Controller Kit - Rough Country - w/Compressor, Bluetooth Compatible
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 Audi A3 1.8T 25mm Turbo Recirculation Valve w/ Adjustable Vacuum Port by Forge Motorsport
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 Audi A3 Blow Off Valve and Kit by Forge Motorsport - Black
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Recommended by MADNESS
 Audi A3 Turbo Recirculation Valve - 25mm Bosch Diverter Valve Replacement by Forge Motorsport  - Matt Silver
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 Audi A3 Turbo Recirculation Valve - 25mm Bosch Diverter Valve Replacement by Forge Motorsport - Black
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 Audi RS2 Turbo Recirculation Valve - 25mm Bosch Diverter Valve Replacement by Forge Motorsport  - Matt Silver
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 Audi RS2 Turbo Recirculation Valve - 25mm Bosch Diverter Valve Replacement by Forge Motorsport - Black
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 Audi S2 Turbo Recirculation Valve - 25mm Bosch Diverter Valve Replacement by Forge Motorsport  - Matt Silver
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 Audi S2 Turbo Recirculation Valve - 25mm Bosch Diverter Valve Replacement by Forge Motorsport - Black
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 Audi S3 2.0 TFSi Thermal Turbo Blanket by Forge Motorsport
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 Audi S3 Blow Off Valve and Kit by Forge Motorsport - Black
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Recommended by MADNESS
 Audi S3 Turbo Recirculation Valve - 25mm Bosch Diverter Valve Replacement by Forge Motorsport  - Matt Silver
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 Audi S3 Turbo Recirculation Valve - 25mm Bosch Diverter Valve Replacement by Forge Motorsport - Black
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Audi A1 1.0 TSI/GTI Turbo Dump Valve Kit by Forge Motorsport
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Audi A3 1.2 TSI Turbo Dump Valve by Forge Motorsport
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Audi A3 1.8 FSI/ TSI Full Replacement Atmospheric Valve Kit by Forge Motorsport
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Audi A3 1.8 TFSI 6 Speed Side Quick Shifter by Forge Motorsport
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Audi A3 1.8 TFSi Blow Off Valve + Kit by Forge Motorsport - Gold
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Audi A3 1.8 TFSi Intake Pressure Compensation Valve by Forge Motorsport
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Audi A3 1.8/ 2.0 TSI Turbo Outlet Muffler Delete Pipe by Forge Motorsport
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Audi A3 1.8T 5 Piece Silicone Hose Kit by Forge Motorsport - Black
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Audi A3 1.8T 5 Piece Silicone Hose Kit by Forge Motorsport - Blue
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Audi A3 1.8T 5 Piece Silicone Hose Kit by Forge Motorsport - Red
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Audi A3 1.8T 6 Speed Side Quick Shifter by Forge Motorsport
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Audi A3 1.8T 7 Piece Coolant Hose Kit by Forge Motorsport - Black
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Audi A3 1.8T 7 Piece Coolant Hose Kit by Forge Motorsport - Blue
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Audi A3 1.8T 7 Piece Coolant Hose Kit by Forge Motorsport - Red
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Audi A3 1.8T Blow Off Valve and Kit by Forge Motorsport
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Audi A3 1.8T Induction Hose by Forge Motorsport - Black
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Audi A3 1.8T Induction Hose by Forge Motorsport - Blue
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Audi A3 1.8T Induction Hose by Forge Motorsport - Red
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Audi A3 1.8T Intake Pressure Compensation Valve by Forge Motorsport
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Audi A3 1.8T Splitter Recirculation + Blow Off Valve by Forge Motorsport
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Audi A3 1.8T Valve Spring Tuning Kit by Forge Motorsport
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Audi A3 2.0 FSI/ TSI Full Replacement Atmospheric Valve Kit by Forge Motorsport
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Audi A3 2.0 FSiT Blow Off Valve + Kit by Forge Motorsport - Gold
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Audi A3 2.0 FSiT Upgraded Turbo Actuator by Forge Motorsport
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Audi A3 2.0T Induction Hose by Forge Motorsport - Black
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Audi A3 2.0T Induction Hose by Forge Motorsport - Blue
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Audi A3 2.0T Induction Hose by Forge Motorsport - Red
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Audi A3 6 Speed Adjustable Quick Shifter by Forge Motorsport
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Audi A3 Air Filter - aFe - MagnumFLOW OE Pro 5R Media - `15-`25
Audi A3 Air Filter - aFe - MagnumFLOW OE Replacement w/ Pro DRY S Media - `06-`13
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Audi A3 Air Filter - aFe - Pro 5R Media - `06-`13
Audi A3 Blow Off Adaptor by Forge Motorsport - Black
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Recommended by MADNESS
Audi A3 Blow Off Adaptor by Forge Motorsport - Polished Alloy
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Recommended by MADNESS
Audi A3 Blow Off Valve - Kompact - Turbosmart - Dual Port
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Recommended by MADNESS
Audi A3 Blow Off Valve - Kompact - Turbosmart - Plumb Back
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Recommended by MADNESS
Audi A3 Blow Off Valve and Kit by Forge Motorsport - Polished
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Recommended by MADNESS
Audi A3 Diesel 6 Speed Side Quick Shifter by Forge Motorsport
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Audi A3 Panel Filter for EA888 Engine by Forge Motorsport
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Recommended by MADNESS
Audi A3 Performance Air Intake - AEM Induction - Cold Air Intake - Silver - `15-`16
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Audi A3 Performance Air Intake - aFe - Magnum FORCE Stage-2 Pro 5 R Oiled - `15-`20
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Audi A3 Performance Air Intake - aFe - Magnum FORCE Stage-2 Pro DRY S - `15-`20
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Audi A3 Performance Air Intake - aFe - Pro DRY S - `15-`25
Audi A3 Performance Module - aFe - Scorcher GT - `15-`16
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Audi A3 Quickshifter by Forge Motorsport

Audi A3 Quickshifter by Forge Motorsport

 price
$139.99
$159.99 Save: $20.00
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Recommended by MADNESS
Audi A3 Recirculating Valve by Forge Motorsport - Anodised Black
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Recommended by MADNESS
Audi A3 Silicone Intake Hose by Forge Motorsport - Blue
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Recommended by MADNESS
Audi A3 Silicone Intake Hose by Forge Motorsport -Black
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Recommended by MADNESS
Audi A3 Silicone Intake Hose by Forge Motorsport -Red
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Recommended by MADNESS
Audi A3 Splitter, a Recirculation and Blow Off Valve by Forge Motorsport - Silver
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Audi A3 Turbo Hose by Forge Motorsport - Red

Audi A3 Turbo Hose by Forge Motorsport - Red

 price
$109.99
$119.99 Save: $10.00
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Audi A3 Turbo Hose Kit by Forge Motorsport - Black - 2.0 FSit
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Audi A3 Turbo Hose Kit by Forge Motorsport - Blue - 2.0 FSit
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Audi A3 Turbo Hose Kit by Forge Motorsport - Red - 2.0 FSit
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Audi RS3 Air Filter - aFe - Pro DRY S - `17-`23
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Audi RS3 Blow Off Valve - Kompact - Turbosmart - Dual Port
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Recommended by MADNESS
Audi RS3 Blow Off Valve - Kompact - Turbosmart - Plumb Back
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Recommended by MADNESS
Audi RS3 Boost Hoses by Forge Motorsport -Black
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Audi RS3 Boost Hoses by Forge Motorsport -Blue

Audi RS3 Boost Hoses by Forge Motorsport -Blue

 price
$349.99
$369.99 Save: $20.00
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Audi RS3 Boost Hoses by Forge Motorsport -Red

Audi RS3 Boost Hoses by Forge Motorsport -Red

 price
$352.99
$369.99 Save: $17.00
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Recommended by MADNESS
Audi RS3 Performance Air Intake - aFe - MagnumFLOW Pro 5R - `17-`23
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Audi RS3 Performance Brake Lines by Forge Motorsport - 8Y
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Recommended by MADNESS
Audi RS3 Performance Intercooler by Forge Motorsport

Audi RS3 Performance Intercooler by Forge Motorsport

 price
$1,839.99
$1,999.99 Save: $160.00
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Recommended by MADNESS
Audi RSQ3 Performance Intercooler by Forge Motorsport
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Audi S3 - Blow Off Valve and Kit - by Forge Motorsport - Alloy
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Audi S3 - Blow Off Valve and Kit - by Forge Motorsport - Black
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Audi S3 - Blow Off Valve by Forge Motorsport - Black
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Audi S3 - Blow Off Valve by Forge Motorsport - Polished Aluminium
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Audi S3 1.8T 6 Speed Side Quick Shifter by Forge Motorsport
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Audi S3 1.8T Intake Pressure Compensation Valve by Forge Motorsport
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Audi S3 1.8T Splitter Recirculation + Blow Off Valve by Forge Motorsport
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Audi S3 1.8T Valve Spring Tuning Kit by Forge Motorsport
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Audi S3 2.0 FSI/ TSI Full Replacement Atmospheric Valve Kit by Forge Motorsport
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Audi S3 2.0 FSIT 6 Speed Side Quick Shifter by Forge Motorsport
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Audi S3 2.0 FSiT Upgraded Turbo Actuator by Forge Motorsport
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Audi S3 2.0 TSi Induction Hose by Forge Motorsport - Black
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Audi S3 2.0 TSi Induction Hose by Forge Motorsport - Blue
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Audi S3 2.0 TSi Induction Hose by Forge Motorsport - Red
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Audi S3 2.0 TSI Turbo Outlet Muffler Delete Pipe by Forge Motorsport
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Audi S3 2.0 TSi Twin Intercooler by Forge Motorsport - Black
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Audi S3 2.0 TSi Twin Intercooler by Forge Motorsport - Blue
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Audi S3 2.0 TSi Twin Intercooler by Forge Motorsport - Red
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Audi S3 6 Speed Adjustable Quick Shifter by Forge Motorsport
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Audi S3 Air Filter - aFe - MagnumFLOW OE Pro 5R Media - `15-`25
Audi S3 Air Filter - aFe - MagnumFLOW OE Replacement w/ Pro DRY S Media - `06-`13
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Audi S3 Air Filter - aFe - Pro 5R Media - `06-`13
Audi S3 Blow Off Adaptor by Forge Motorsport - Black
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Recommended by MADNESS
Audi S3 Blow Off Adaptor by Forge Motorsport - Polished Alloy
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Recommended by MADNESS
Audi S3 Blow Off Valve - Kompact - Turbosmart - Dual Port
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Recommended by MADNESS
Audi S3 Blow Off Valve - Kompact - Turbosmart - Dual Port
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Recommended by MADNESS
Audi S3 Blow Off Valve - Turbosmart - Kompact Plumb Back - `14-`16
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Audi S3 Blow Off Valve and Kit by Forge Motorsport - Polished
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Recommended by MADNESS
Audi S3 Panel Filter for EA888 Engine by Forge Motorsport
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Recommended by MADNESS
Audi S3 Performance Air Intake - aFe - Magnum FORCE Stage-2 Pro 5 R Oiled - `15-`20
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Audi S3 Performance Air Intake - aFe - Magnum FORCE Stage-2 Pro DRY S - `15-`20
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Audi S3 Performance Air Intake - aFe - Pro DRY S - `15-`25
Audi S3 Performance Exhaust - aFe - MACH Force-Xp Cat Back - Polished - `15-`20
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Audi S3 Performance Exhaust - aFe - MACH Force-Xp Cat Back - `15-`20
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Audi S3 Performance Exhaust - aFe - MACH Force-Xp, Cat Back - Black - `15-`20
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Audi S3 Recirculating Valve by Forge Motorsport - Anodised Black
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Recommended by MADNESS
Audi S3 Splitter, a Recirculation and Blow Off Valve by Forge Motorsport - Black
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Recommended by MADNESS
Audi S3 Splitter, a Recirculation and Blow Off Valve by Forge Motorsport - Silver
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Recommended by MADNESS
Audi S3 Throttle Control Module - aFe - SCORCHER GT Module - `15-`18
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Audi S3 TSi Blow Off Valve and Kit by Forge Motorsport
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Ford Super Duty Intercooler Pipe - 6.7L Powerstroke Engine - Hot Side High Output Pipe - '17 - '26
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Recommended by MADNESS
Volkswagen Golf Mk5 GTi FSI/ TSI Full Replacement Atmospheric Valve Kit
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Audi A3 Catalytic Converter - Magnaflow - Direct Fit California Grade - `06-`09
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Audi A3 Catalytic Converter - Magnaflow - Direct-Fit - `15-`18
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Audi A3 Catalytic Converter - Magnaflow - OEM Grade Direct-Fit - `09-`10
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Audi A3 Intercooler Kit - Mishimoto - Performance Intercooler Kit - Polished - `15-`21
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Audi A3 Performance Aluminum Radiator - Mishimoto - Dual Pass - Aluminum - `06-`08
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Audi A3 Performance Exhaust - Magnaflow - Direct-Fit Catalytic Converter - `15-`16
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Audi A3 Performance Intercooler Kit - Mishimoto - Mishimoto MMINT-MK7-15KWBK - Black - `15-`21
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Audi A3 Quattro Catalytic Converter - Magnaflow - OEM Grade Direct-Fit - `06-`09
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Audi A3 Quattro Performance Exhaust - Dual Split Rear Exit - Magnaflow - Touring Cat-Back - Polished - `15-`20
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Audi A3 Quattro Performance Exhaust - Rear - Magnaflow - Touring Series Cat-Back - Polished - `06-`09
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Audi S3 Intercooler Kit - Mishimoto - Performance Intercooler Kit - Polished - `15-`21
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Audi S3 Performance Intercooler Kit - Mishimoto - Mishimoto MMINT-MK7-15KWBK - Black - `15-`21
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Universal Performance Catalytic Converter by MagnaFlow - 13" Overall
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Universal Performance Catalytic Converter by MagnaFlow - 15" Overall
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Universal Performance Catalytic Converter by MagnaFlow - 16" Overall
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Universal Performance Catalytic Converter by MagnaFlow - 2.5" Inlet
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Universal Performance Catalytic Converter by MagnaFlow - 8" Body
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Universal Performance Catalytic Converter by MagnaFlow - 8" Overall
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Audi A3 Engine Mount Bushing - Whiteline - Low Compliance - `15-`20
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Audi A3 Oxygen Sensor - NGK - 5-Wire Wideband - `10-`13
Audi A3 Oxygen Sensor - NGK - 5-Wire Wideband A/F Sensor - `10-`13
Audi A3 Performance Air Intake - Injen - SP Cold Air Intake w/MR Technology and Air Fusion - Black - `09-`12
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Audi A3 Performance Air Intake - Injen - SP Series Short Ram with MR Technology - Polished - `06-`08
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Audi A3 Performance Air Intake - Injen - SP Series with MR Technology - Polished - `15-`17
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Audi A3 Performance Air Intake - Injen - SP Short Ram - Polished - `17-`20
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Audi A3 Performance Air Intake - Injen - SP Short Ram - Wrinkle Black - `17-`20
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Audi A3 Performance Air Intake - Injen - SP Short Ram - Wrinkle Red - `17-`20
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Audi A3 Quattro 2.0L Performance Exhaust by Borla - Cat-Back Exhaust - S-Type (2014-2016)
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Audi A3 Quattro Performance Exhaust - Single Split Rear Exit - Borla - S-Type Cat Back - `14-`20
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Audi S3 Performance Air Intake - Injen - EVO3005 Evolution - `15-`20
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Audi S3 Performance Exhaust - Borla - S-Type Cat Back, Dual Round Rolled - `13-`15
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Audi S3 Performance Exhaust by Borla - Cat-Back Exhaust - S Type (2013-2015) Dual Tip
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Breather Filter - 3/4"
Audi A3 Aluminum Flywheel - Clutch Masters - 850 Series - `99-`03
Audi A3 Clutch Disc - ACT - 6 Pad Sprung Race - 2006
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Audi A3 Clutch Kit - ACT - HD/Perf Street Sprung - 2012
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Audi A3 Clutch Kit - ACT - HD/Race Sprung 6 Pad - 2007

Audi A3 Clutch Kit - ACT - HD/Race Sprung 6 Pad - 2007

 price
$1,554.00
$1,919.00 Save: $365.00
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Audi A3 Clutch Kit - ACT - HD/Race Sprung 6 Pad - 2008

Audi A3 Clutch Kit - ACT - HD/Race Sprung 6 Pad - 2008

 price
$1,554.00
$1,919.00 Save: $365.00
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Audi A3 Flywheel - ACT - XACT Streetlite - 2007

Audi A3 Flywheel - ACT - XACT Streetlite - 2007

 price
$573.00
$707.00 Save: $134.00
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Audi A3 Flywheel - ACT - XACT Streetlite - 2007

Audi A3 Flywheel - ACT - XACT Streetlite - 2007

 price
$573.00
$707.00 Save: $134.00
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Audi A3 Flywheel - Clutch Masters - 725 Series Steel - `10-`11
Audi A3 Flywheel - Clutch Masters - 850 Series Steel - `99-`03
Audi A3 Flywheel - Clutch Masters - Steel - `10-`11
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Audi A3 Performance Exhaust - Front - Remus - Non-Resonated Front Section Pipe - 2017
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Audi A3 Performance Exhaust - Rear - Remus - Axle Back - 2012
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Audi A3 Performance Exhaust - Rear - Remus - Axle Back - `12-`21
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Audi A3 Performance Exhaust - Remus - Axle Back - `12-`15
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Audi A3 Performance Exhaust - Remus - Connection Tube - 2012
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Audi A3 Performance Exhaust - Remus - Connection Tube - 2013
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Audi A3 Performance Exhaust - Remus - Non-Resonated Connection Tube - 2012
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Audi A3 Pressure Plate - ACT - Heavy Duty - 2007

Audi A3 Pressure Plate - ACT - Heavy Duty - 2007

 price
$491.00
$606.00 Save: $115.00
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Audi A3 Quattro Performance Exhaust - Remus - Cat Back - 2016
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Audi A3 Quattro Performance Exhaust - Remus - Connection Tube - 2018
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Audi A3 Steel Flywheel - Clutch Masters - Heavy - `10-`11
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Audi RS3 Performance Exhaust - AWE Tuning - Cat Back SwitchPath - `22-`23
Audi RS3 Performance Exhaust - Front - Remus - Non-Resonated Front Section Pipe - 2017
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Audi RS3 Performance Exhaust - Front - Remus - Resonated 76mm Front Section Pipe - 2017
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Audi RS3 Sportback Performance Exhaust - Rear - Remus - Axle Back - 2015
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Audi RS3 Sportback Performance Exhaust - Remus - Cat Back - 2015
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Audi RS3 Sportback Quattro Performance Exhaust - Remus - Axle Back - 2017
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Audi RS3 Steel Flywheel - Clutch Masters - DCT - `15-`24
Audi S3 Performance Exhaust - Front - Remus - Non-Resonated Front Section Pipe - `25-`99
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Audi S3 Performance Exhaust - Rear - Remus - Axle Back - 2013
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Audi S3 Quattro Performance Exhaust - Rear - Remus - Axle Back - 2013
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Audi A3 Clutch Disc - SPEC - D-Trim - `96-`05

Audi A3 Clutch Disc - SPEC - D-Trim - `96-`05

 price
$330.30
$367.00 Save: $36.70
Audi A3 Clutch Kit - DKM Clutch - MS Organic Twin Disc - `99-`03
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Audi A3 Clutch Kit - SPEC - Stage 3 - `03-`11

Audi A3 Clutch Kit - SPEC - Stage 3 - `03-`11

 price
$683.10
$759.00 Save: $75.90
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Audi A3 Flywheel - SPEC - Aluminum - `96-`03

Audi A3 Flywheel - SPEC - Aluminum - `96-`03

 price
$440.10
$489.00 Save: $48.90
Audi A3 Flywheel - SPEC - Steel - `96-`03

Audi A3 Flywheel - SPEC - Steel - `96-`03

 price
$431.10
$479.00 Save: $47.90
Audi A3 Intercooler - CSF - OEM - `06-`11

Audi A3 Intercooler - CSF - OEM - `06-`11

 price
$139.99
$164.99 Save: $25.00
Audi A3 Intercooler - CSF - OEM - `15-`20

Audi A3 Intercooler - CSF - OEM - `15-`20

 price
$199.99
$234.99 Save: $35.00
Audi A3 Performance Clutch Kit - SPEC - Stage 1 - `08-`13
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Audi A3 Short Throw Shifter - Fidanza - Short Throw - `00-`04
Audi A3 Sportback Clutch Kit - XCLUTCH - 9in Twin Solid Ceramic - `08-`09
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Audi A3 Sportback Clutch Kit - XCLUTCH - 9in Twin Sprung Organic - `05-`06
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Audi A3 Sportback Clutch Kit - XCLUTCH - 9in Twin Sprung Organic - `08-`09
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Audi A3 Sportback Clutch Kit - XCLUTCH - Stage 1 Sprung Organic - `05-`06
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Audi A3 Sportback Clutch Kit - XCLUTCH - Stage 1 Sprung Organic - `08-`09
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Audi A3 Sportback Clutch Kit - XCLUTCH - Stage 2R Extra HD Sprung Ceramic - `05-`06
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Audi A3 Sportback Clutch Kit - XCLUTCH - Stage 2R Extra HD Sprung Ceramic - `08-`09
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Audi A3 Sportback Clutch Kit - XCLUTCH - Twin Solid Ceramic - `05-`06
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Audi A3 Turbocharger - Garrett - PowerMax Stage 1 Upgrade - `14-`18
Free Continental US Shipping!
Audi A3 Turbocharger - Garrett - PowerMax Stage 2 - `14-`18
Free Continental US Shipping!
Audi RS3 Performance Exhaust - Rear - MBRP - Cat Back, Dual Split Rear Exit - Black Chrome - `17-`20
Free Continental US Shipping!
Audi RS3 Performance Exhaust - Rear - MBRP - Cat Back, Dual Split Rear Exit, Carbon Fiber Tips - `17-`20
Free Continental US Shipping!
Audi S3 Clutch Disc - SPEC - Stage 5 - `99-`04

Audi S3 Clutch Disc - SPEC - Stage 5 - `99-`04

 price
$359.55
$399.50 Save: $39.95
Free Continental US Shipping!
Audi S3 Clutch Kit - DKM Clutch - MS Organic Twin Disc - `99-`03
Free Continental US Shipping!
ScanGauge III Ultra-compact OBDII Vehicle Monitor
Recommended by MADNESS
Showing 1 to 289 of 289 (1 Pages)

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Two locations to serve you

AUSTIN, TX

22108 SH 71 W.
Spicewood, TX 78669
512-982-9393
Mon-Fri: 9 AM - 6PM CST
Sat-Sun: Closed

LOS ANGELES, CA

2716 Dawson Ave.
Signal Hill, CA 90755
562-981-6800
Mon-Fri: 9 AM - 6PM PST
Sat-Sun: Closed