Active Autowerke F8X M3 M4 Signature Exhaust System includes Active F-brace Tip Color:Brushed Silver the Active-8 Tuning Box

the Active-8 Tuning Box

The consequential decrease in rotational inertia fosters accelerated acceleration

year-2005-make-bmw-model-330i

Full dual pulley kit

This puts less strain on the turbocharge rand maximizes performance

Active Autowerke F8X M3 M4 Signature Exhaust System includes Active F-brace Tip Color:Brushed Silver the Active-8 Tuning BoxNOTE: THESE ARE BUILT TO ORDER AND MAY TAKE UP TO 2 WEEKS TO BUILD. Active Autowerke is proud to announce the release of our Signature F8X M3 M4 Exhaust System. This system is the result of countless hours of R&D to obtain the perfect combination of performance and sound. Constructed of 100% 304 TIG welded stainless steel, we have created a modular exhaust system that will provide enough flow to support power levels way above the stock S55. This is a