BMW 330i Performance Exhaust - Rear - Dinan - Axleback Freeflow - Polished - 2019–2024. A premium axle-back for the G20 330i that sharpens tone and response while preserving daily comfort.

Built from 100% T304 stainless steel with TIG welds, this Dinan system uses factory cut points and mounting mechanics for precise, factory-like fitment. The freeflow design reduces back pressure for improved flow and a deeper, fuller note, while the OE valve is retained for quiet operation when desired. Polished, double-walled 102mm (4") clamp-on tips with a laser-engraved Dinan logo provide a purposeful finish. Manufacturer testing reports gains up to +4 hp and +3 lb-ft.

Features

• 100% 304 stainless steel construction
• Valved axle-back; retains factory control
• Dual 102mm (4") polished, double-walled tips; laser-engraved logo
• Factory-like fitment; uses stock cut points; hardware included
• Freeflow path; reduced back pressure; drone-reduction strategies
• TIG-welded, non-hydroformed tubing
• Application: 2019–2024 BMW 330i (G20)

Questions or planning a build? Call our experts — installation and customization are available at our Austin, TX and Los Angeles, CA area facilities: 512-982-9393 (TX), 562-981-6800 (CA).

If you are considering multiple items, please contact us for shipping discount options. We install on premises at both locations.

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