Stiegemeier Porting Services -- The Original --
Often Imitated... Never Duplicated

Supercharger Porting...
Prices From $295.00 and up!

Since 2003 Stiegemeier has been THE name synonymous with supercharger porting and modifications. With more than 3000 custom ports done to date, we are The Leaders in EATON Supercharger porting. And as one of the few EATON factory-authorized supercharger rebuilders, we are able to provide you with genuine EATON parts.

Although we specialize in GT-500, Cobra, and Lightning superchargers and air-flow components, we are gaining respect for servicing Roush & Saleen, as well as Mini-Cooper, Jaguar, and Mercedes-Benz, and others. From our state-of-the-art DynoJet to our custom-built SXF-1000 air-flow supercharger test bench we have the technology, resources, and expertise to give you the best your money can buy. And we guarantee more horsepower gain per dollar spent than any competitor!
Photos: Frank Yee's '03 Cobra fitted with a Stiegemeier Stage5 runs a 9.83!

Call or Email today and discover why we should be your only choice.

And for the top 10% of speed enthusiasts, we now offer the latest in supercharger modifications:
SnakeBite™ Series superchargers
And StreetKing™ Kits

SNAKE BITE™
Patent Pending
Stiegemeier Porting Services, LLC
636-949-2275