Stiegemeier Porting Services rebuilds and upgrades superchargers for automotive and marine use. We specialize in Eaton, Whipple, Magnuson, Mercury, and MINI units, offering precision porting, repairs, and full restorations. Every rebuild is done with quality components and proven methods to improve performance, reliability, and airflow efficiency.
Sent my blower in for a stage 8. Customer service was Fantastic and i was super surprised with how quickly they got it done! ready to get it on the car. Thank you guys
December 2024
Bob's the best great work and done in a timely manner
November 2024
Fast turn around time, Great communication, supercharger looks new! 2004 Mini Cooper S
