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Dyno Proven
we determined that the additional few dBs offered by wiring with a relay weren't worth the added headache and potential failure points of a more complex harness using the relay
328i/328is 1996-2000 (18U-09-0900-6)
each system come with the unsurpassed BORLA
These exhaust pipes offer increased horsepower and torque over stock and sound great on all the Gen 5 Camaro applications
Active Autowerke Catted Downpipe - BMW / B46 / G2X / 230i / 430i (11-065) _Helmholtz Dyno ProvenThe Active Autowerke Catted Downpipe is engineered specifically for BMW's B46 engine found in 230i, 330i, and 430i models within the F and G Chassis range. It addresses OEM downpipe restrictions by enhancing exhaust flow to improve turbocharger response. High flow 3 1 2" diameter stainless steel piping for improved power and quicker turbo spool Includes a 4" GESi high flow catalytic converter that avoids Check Engine Lights (CEL) GESi catalytic