BMW E46 M3 Exhaust SECTION 1 with GESI ultra high flow catalysts f98 The whole rear subframe of

The whole rear subframe of the BMW as well as the differential and rear suspension are all secured by bolts threaded into the sheet metal body

but configured by you to run without the catalysts for gains of additional horsepower

The Active Autowerke Supercharger System is powered by a Rotrex C38-92R Supercharger Unit mounted with a custom CNCed bracket that uses a dedicated drive belt system

This upgrade increases your car HP an additional 35-50HP over the stage 2 system

The stock S55 midpipe is a dual pipe system from each turbo that leads to the rear muffler

BMW E46 M3 Exhaust SECTION 1 with GESI ultra high flow catalysts f98 The whole rear subframe ofActive Autowerke BMW E46 M3 Exhaust SECTION 1 with GESI ultra high flow catalysts NO PERFORMANCE TUNE NEEDED. Combine the Active Autowerke Exhaust SECTION 1 with a pair of GESI G Sport catalysts and you have part of a winning combination for your BMW E46 M3. Design and Concept: Why create an exhaust SECTION 1 when the USA version BMW factory SECTION 1 already comes from the factory as a straight through design with two separate pipes and resonators