There is simply nothing currently offered as a package that provides the incredible HP, torque and sound as an ARH full system for your 4.0L V8 BMW M3. The full system provides a deep, throaty tone without high pitch rasp. Available with 1-5/8" or 1-3/4" primaries. If you are looking for a louder sound, consider our "resonator delete" option. Also available up to the rear axle as a direct bolt in for your stock or aftermarket axle back. Check out the long system here.

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

Attn. All ARH products are exclusively manufactured for racing purposes. Installing these products on any vehicle eliminates the legal use, in any capacity, on public roads/highways and may be subject to fines and/or criminal liability as per the Clean Air Act