The Look - Featuring 4-80mm large-straight tips with the AA Tuning logo. Bolting on this exhaust will stimulate a renewed sense of excitement. There are no modifications required to the rear valance. This is a direct bolt on.

The Sound - The sound is deep, with a nice mellow tone. Gone is the "Tinny" rattling sound of the factory exhaust. The M3 now sound more like a V8 than a in-line 6. You will know you now have a performance exhaust.

The Durability - Designed completely from stainless steel throughout, this exhaust is built to last.

The Performance - There is a positive horsepower gain when comparing to the factory.

Will Fit all 01-05 E46 M3's

About Manufacturer: Active Autowerkes
Many rave reviews and magazine articles have been written about Active Autowerkes, and these kits and their many successors since have become well known for their durability, clever bolt-on engineering, affordable pricing – and their ability to breathe fire into the everyday BMW and its owner. No longer a brand known just around Florida, today’s Active Autowerke is known worldwide for its line of flawlessly engineered and manufactured performance parts for the entire Beemer.

As new models and challenges continue to be born, Active Autowerke continues to invent – and deliver – world class, new ideas and innovations that make them run better.