There is simply nothing currently offered as a package that provides the incredible HP, torque and sound as an ARH full system for your E46 BMW M3. This system features American Racing Headers patented rotational firing, 6 into 1 long tube header system for the E46 S54 powered M3.The Long System is a direct bolt-in to your existing Axleback. Available with 1-3/4"primaries. This system fits: 2001-2006 BMW E46 M3
ALL American Racing Headers Exhaust Systems are for OFF-ROAD use only.
Product features on this system includes:
100% Made in the USA - Never Outsourced
Made entirely of 304 stainless steel
3/8" thick laser-cut flanges for a warp-free seal
Hand-ported TIG welded inlets
Optimized primary tube routing for superior fit and performance
Merge collectors with scavenger spikes
Catted systems feature 200 cell metallic substrate catalytic converters for extreme durability
