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Vehicle Info NeededDINANPART NUMBER: 421-D660-4602
D660-4602 Dinan Free Flow Axle-Back Exhaust, BMW 325i/330i
$96795
Ships on Sep 04, 2026
Lowest Price GuaranteeDinan Free Flow Axle-Back ExhaustBMW 325i/330i Stainless Steel Polished Tips
Dinan D660-4602 Features:
Dinan's Free Flow Axle-Back Exhaust for the 3 series models provides increased flow for power gains without the excessive noise associated with typical 'performance' mufflers. The Dinan exhausts feature rigid and durable muffler cases manufactured from 20 gauge 304-stainless steel for optimum corrosion resistance. Internally the systems feature Dinan's Tuned Resonance Chamber technology which provides the optimum balance between maximum power gains and a civilized, yet sporty exhaust note. The Dinan exhaust also provides substantial weight reduction compared to the stock muffler weighing in at just over 17 lbs. compared to the stock system at 28 lbs. Dual 2.5-inch diameter polished stainless steel exhaust tips give the cars a tasteful performance look as well.Part TypeExhaust System
BrandDINAN
Package Height11.0
Package Width30.0
Package Length48.0
Weight39.3 PG
Part CategoryPerformance Parts
Estimated Horse Power Gain5 @ 6500 RPM
Maximum Torque (Ft-Lb)4 @ 6500 RPM
Part FitmentSemi Universal
Vendor Part NumberD660-4602
Package Qty1
Package TypeEA
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