BMW 430i Performance Exhaust - Dinan - Axleback - Black - 2021–2024. This valved axle-back delivers a richer tone and purposeful performance for enthusiasts seeking a refined upgrade for the 430i coupe.

Constructed from 100% T304 stainless steel with TIG-welded precision, the Dinan system uses factory cut points and mounting for straightforward, OE-like fitment. Dual 102mm (4 in) double-walled, black ceramic–coated tips with laser-engraved Dinan logos announce the change, while optimized flow reduces back pressure for measured gains of up to +4 hp and +3 lb-ft. Drone abatement technologies help curb cabin resonance, and factory valve control is retained for civility when you want it and a fuller soundtrack when you don’t. Fitment is confirmed for the G22 430i coupe; G23/G26 variants have not been tested and may have underside bracing interference.

Features

• 100% T304 stainless steel, TIG-welded construction
• Valved axle-back; retains factory valve control
• Dual 102mm black ceramic–coated, laser-etched tips
• Improved flow for reduced back pressure
• Drone abatement to limit cabin resonance
• Factory-like fitment with included hardware
• Max gains: +4 hp / +3 lb-ft

Questions or ready to order? Call our Austin, TX shop 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 purchasing 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