As the name suggests, a Blow Off, or Diverter Valve, is a mechanical valve that dumps boost pressure that is trapped between the throttle body and compressor wheel of the turbocharger. This pressure is created when the throttle is shut off momentarily between gear changes and deceleration. Designed and developed in the early '80's by German engineers to reduce lag on early turbocharged rally cars, this simple but very effective method has evolved into much more than just a plastic disposable diaphragm valve. Read more…
The APR R1 diverter valve was designed to be the ultimate solution to the problem of unreliable factory and aftermarket diverter valves and to be the leader in performance. Although most are of good design, factory diverter valves are built in a very conscious manner and the materials and overall life and reliability suffer. For the performance enthusiast, the diverter valve is an important component whose proper operation is paramount to optimal engine operation. 
Jetex has just released their new Rabbit (Golf 1) and Scirocco performance cat-back stainless steel exhaust system. The system features 63.5mm (2.5”) tubing built in Sweden with a 80mm round tip. 
AMC remaps from Allard Motor Company are the state of the art in Turbo diesel performance. Using the same software that powered Allard to victory in the Diesel Cup Class of the VW Cup ‘05, along with achieving 3rd overall in the championship. And more recently winning the fourth round of 2006 Volkswagen Racing Cup 
VW tuning specialist JE DESIGN from Leingarten/Germany presents now a complete styling suite for the new VW Touareg type 7 L (facelifted). The Touareg R 5 has been given a performance boost, which increases the basic power of the 2.5 l TDI engine from 128 kW / 174 bhp to 152 kW / 206 bhp. 
Powered by a detuned version of the new 2.0 T-FSI power plant from the current Audi S3, the limited edition VW Golf GTI Edition 30 is, with 230 hp (DIN), already well powered. OETTINGER, the Audi and VW specialist from Friedrichsdorf, who participated in the success of the original GTI in 1976 with the 
2002, the Touareg marked Volkswagen’s powerful way into the field of SUVs. “Even for Abt, the car was absolutely new territory,“ explains Hans-Jürgen Abt. Back then, the managing director of Abt Sportsline did in fact have doubts about the market opportunities of the heavy weight: “But the SUV has become a great success, and meanwhile Touareg and Audi Q7 are among our success stories.” 
The first version of Abt Sportsline’s VW Golf GTI was a car for real guys and caused a stir among car enthusiasts. Now the Bavarians are going one step further and are presenting the Abt Sportsline GTI VS4-R with 270 HP. 
