Bilstein PSS9 Coilovers Audi A4 (B5) Quattro Speedwell Wheels Naturally aspirated vehicles also benefit

Naturally aspirated vehicles also benefit from greater exhaust flow capacity as engine tuning levels increase

AEM's Cold Air Intake for the 2005-2009 Subaru Legacy GT relocates the air filter outside of the engine compartment to deliver the coolest air inlet temperatures possible

we are now also offering Catback Exhaust Systems that can be used with our new downpipes

Included lockout plates will replace the OE camber cams to give you that extra assurance that your camber is locked in

Bilstein PSS9 Coilovers Audi A4 (B5) Quattro Speedwell Wheels Naturally aspirated vehicles also benefitUtilizing Bilsteins monotube shock absorber design for heat dissipation and ride control, the PSS9 Coilover System for the Audi A4 (B5) adds a matched performance spring and threaded ride height adjuster to provide a complete suspension system for a vehicle. The fully adjustable monotube gas shock absorbers offer nine precise compression and rebound settings, from comfort to competition. The front and rear progressive rate springs allow for the