WARNING: This product can expose you to chemicals that are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.The Dinan Valved Axle-Back Exhaust (D660-0091-BLK) delivers on the promise of Performance Without Sacrifice® for the 2019-2024 BMW 330i (G20) and 430i Coupe (G22). This system grants the B46/B48 4-cylinder improved exhaust flow by reducing back pressure, resulting in a deeper and fuller note, free of the drone or negative side effects commonly associated with aftermarket exhausts. This is the goal of OEM+ and then some, realized.
Fabricated from brushed 100% T304 stainless steel and TIG welded, the system utilizes larger diameter piping for increased flow (85mm to dual 60mm). The visual upgrade is unmistakable: the plebeian stock tips are replaced with massive, straight-cut dual 4" (102mm) double-walled, black ceramic coated clamp-on tips featuring a laser engraved Dinan logo. Crucially, the system retains factory valve control, offering the perfect blend of stealth civility for quiet departures and the full spectrum of auditory delight when desired.
Performance & Sound Highlights:
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Maximum Gains: Achieves maximum gains of +4 HP and +3 ft-lb of torque.
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Sportier Sound: Enjoyably louder, deeper, and fuller sportier sound that transcends all driving modes.
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Stealth Aesthetic: Features bold dual 4" (102mm) black ceramic coated tips with a laser engraved Dinan logo for an aggressive, subtle look.
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Valve Control: Retains factory valve control for the perfect blend of civility and auditory delight.
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Premium Construction: Crafted from 100% 304 Stainless Steel with TIG welds for superior durability and finish.
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No Drone: Utilizes drone abatement technologies to reduce cabin resonance.
Product Contains:
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(1) Dinan Valved Axle-Back Exhaust System
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Dual 4" (102mm) Black Ceramic Coated Tips
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All Necessary Mounting Hardware
Fitment Note: This exhaust is confirmed for the 330i Sedan (G20) and 430i Coupe (G22) variants only. The 430i Convertible (G23) and Gran Coupe (G26) have not been tested due to potential interference from additional underside bracing.
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