![Dinan Free Flow Axle-Back Exhaust | E46 325i · 330i | 2.5L I6 · 3.0L I6 [M54] E46 323i 2.5L I6 [M52] 74% Increase in Cooling Efficiency](https://cdn.shopify.com/s/files/1/0635/0032/1015/files/DinanFreeFlowAxle-BackExhaustE46325i_330i2.5LI6_3.0LI6_M54.png?v=1740268738)
Pay in 4 interest-free payments of $115.25 Learn more
Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
74% Increase in Cooling Efficiency
CNC precision press brake bent planes and strake mounting brackets
3 in Front / 38 mm or -1
Intake Adapter (OPTIONAL)
NEUSPEED Race Series Rear Anti-Sway Bar Support Brackets
Dinan Free Flow Axle-Back Exhaust | E46 325i · 330i | 2.5L I6 · 3.0L I6 [M54] E46 323i 2.5L I6 [M52] 74% Increase in Cooling EfficiencyDinan'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
