Supertech Black Nitrided Exhaust Valve (Single) - BMW / M42 / M50 / M52 / M54 / S42 /S50 / S52BLACK NITRIDED EXHAUST VALVE Head Diam: 30. 50mm Material: Black Nitride Groove Type: Triple Groove Length: 105. 65mm Stem Diam: 5. 95mm Size: Std

0L VW TSI and FSI to the next level

Upgrading your Porsche Boxster or Cayman’s exhaust system is a quick way to see real gains in horsepower

Dyno and Track tested on our own Porsche 987

of torque at 4500 rpm

Holds 3 bicycles – up to 45 lbs each

Available as the SwitchPath™ Exhaust

Improve aerodynamics and increase rear end downforce with this DEVAL Audi A4 carbon fiber spoiler

Pump Fuel Performance Program

internal parts begin to fail as they are pushed far beyond their original factory spec limits

and keeps the forces acting on the dogbone arm in the direction the arm was designed for

Spark-based "Motorsports" Style Rev-limiter Enabled

The Unitronic Cold Air Intake System for vehicles equipped qith the 1