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The chart you have shown is horsepower and torque at the crankshaft. Our chart is horsepower and torque at the wheels.

Rods? TiAL Sport 650 Kit has turbo's, inlets, oil and coolant lines. It is a bolt on turbo kit capable of 600whp. People without a connecting rod upgrade or built engine are running maximum 500whp, and taking a risk. Better spool and higher horsepower capability then RS6 turbos was the goal of this ...

Hello, Bolt on GT turbo kit capable of 600whp peak flow using GT28RS CHRA's and custom billet compressor wheel, and custom hot and cold side housings. We expect about 575whp on 92oct pump gas with meth injection at 30psi. These are available from select TiAL Sport Dealers. Here are two links where t...

These directly bolt on to both versions of the 2.7 biturbo. The kit comes with all hardware including inlet pipes. I have seen 600whp without rod failure and 450whp with rod failure. Torque is what kills rods, and anything over 450lb-ft (at wheels) below 4000rpm is getting into rod bending range. We...

The boost graph is simply to illustrate the boost onset and response of the new TiAL turbo kit. Obviously because the stock sensor is maxed at 22psi you can't use that for boost profile any longer. The kit utilizes a GT28R CHRA with custom cast turbine housing and custom billet compressor wheel. Kit...

We expect over 550whp easy on this set up (should do 575whp). The final tune will be 32 taper to 28 psi.

This kit bolts on to stock manifolds, which is what produced these numbers.

http://forums.audiworld.com/s4/msgs/2824633.phtml