Active Autowerke E46 M3 Prima PLUS + Supercharger with 600 horsepower Kit (12-035S) _Under_The_Hood 184 lbs/in (OEM) vs 323

184 lbs/in (OEM) vs 323 lbs/in (APR) or a 76% increase in Spring Rate

2L - Diamond Black Tips

switches and air lines Air Cups

The muffler and all pipes of the Apollo GT system are constructed from durable 409 stainless steel

Specifically designed with a lot of thought into improving the airflow issues inherent to the 370Z

Active Autowerke E46 M3 Prima PLUS + Supercharger with 600 horsepower Kit (12-035S) _Under_The_Hood 184 lbs/in (OEM) vs 323The Active Autowerke PRIMA PLUS Supercharger System for the BMW E46 M3 enhances performance beyond the original PRIMA system, delivering over 500 WHP on 93 octane fuel. Developed with tuning expert Frank Smith of Tuning Tech FS, this centrifugal supercharger features variable boost settings of 9. 0 and 9. 5 psi, setting a new standard in BMW forced induction. Complete water methanol injection system with trunk mounted tank and holding base Water