Performance Systems Manufacturing, LLC

Performance Systems Manufacturing LLC is a manufacturer and supplier of unique products for Buick vehicles, specializing in turbo Grand Nationals, Turbo Regals and classic Gran Sport high performance cars.

Cold Air Intake Systems for all turbo applications from street and strip to race
Stock Exhaust Header Porting Bushings for increased air flow from your engine
Supplemental PCV Valve to positively stop turbo boost from pressurizing the crankcase
Upper Control Arm Heat Shield for extending life to the passenger side upper control arm bushing
Lower body rear quarter panel protectors to prevent stones from damaging paint
Tow Bracket with Hook to prevent undercarriage damage to body and engine components
Replacement Clutch Rod Bushing for ‘68 to ‘72 400-455 Gran Sport 4-speed cars to restore smooth clutch operation.

I invite you to learn more about how our products can make your Buick perform better, require less maintenance and to protect your investment. Performance Systems Manufacturing LLC is committed to insure your Buick goes “Fast with Class”.