BN 3inch S58 Catless Downpipes M2 M3 M4 X3m BN G8X Crossover Pipe:Include High Flow Pipe (G8x Only) The AIC1-6 gives the user

The AIC1-6 gives the user a convenient way to set the fuel mixture for proper air/fuel ratio in the boost region

this turbo delivers exceptional power while retaining OEM drivability

2001-2005 BMW 325i Base 1992-1995 BMW 325is Base 2001-2005 BMW 325xi Base 2000 BMW 328Ci Base 1996-2000 BMW 328i Base 1996-1999 BMW 328is Base 2001-2003 BMW 330Ci Base 2001-2003 BMW 330i Base 2001-2003 BMW 330xi Base 1991-1995

These filters produce a more aggressive intake note

BN 3inch S58 Catless Downpipes M2 M3 M4 X3m BN G8X Crossover Pipe:Include High Flow Pipe (G8x Only) The AIC1-6 gives the userLooking for a performance upgrade for your G80 M3 or G82 G83 M4 G87 M2 or X3M that will improve horsepower, torque, and sound? Look no further than the New Bn 3 inch Catless Downpipes! These high flow, catless pipes are designed to replace the restrictive factory catalytic converters and give your engine the ability to breathe easier and perform at its best. Made from high quality stainless steel, these downpipes are built to withstand the rigors of