Chevrolet 3500HD Performance Exhaust - aFe - Apollo GT Series 3in 409SS Cat-Back - Polished - `20-`25
Chevrolet 3500HD Performance Exhaust - aFe - Apollo GT Series 3in 409SS Cat-Back - Polished - `20-`25

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Chevrolet 3500HD Performance Exhaust by aFe – Apollo GT Series 3in 409SS Cat-Back, Polished (2020–2025). A direct-fit upgrade that adds a deep tone and durable stainless construction to your 6.6L L8T.
Constructed from mandrel-bent 409 stainless steel, this system features a high-flow 409SS muffler for improved exhaust flow and a rich, controlled sound. A 5 in polished 409SS intercooled clamp-on tip with a riveted aFe POWER logo plate completes the look. It installs using factory-style flange and hangers, requires no cutting, and is 100% MIG-welded. CAD-designed for precise fitment on 2020–2025 GM/Chevrolet/GMC 2500/3500HD V8 6.6L L8T gasoline trucks, and includes all necessary hardware.
Features
- 3 in mandrel-bent 409 stainless steel tubing
- High-flow 409SS muffler; deep, refined tone
- 5 in polished 409SS intercooled clamp-on tip with aFe POWER logo plate
- Factory-style flange and hangers; direct bolt-on, no cutting
- 100% MIG-welded; hardware included
- CAD-designed for precise, factory-like fit
Have questions or want to schedule an install? Call Austin, TX at 512-982-9393 or our Los Angeles, CA area shop at 562-981-6800. We offer installation and customization at both locations. If you’re considering multiple items, contact us for shipping discounts. We install on premises at both locations.
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov


