fastrek82

Just about to order mine, I have Mmr intake, bassani axle back,and gonna add a off road pipe, Will i notice a difference in the lower rpm's or all around??? Thanks

BRENSPEED

Not only will you get a nice full throttle power gain but your part throttle driving is night and day difference. You will feel a nice power gain just cruising at part throttle.

If you need an X-cal we have them in stock for $350 and I can tune it for your mods, no problem. Free shipping also...

574.834.7455

You will love the X-cal, I went 12.80 in my GT with nothing but our tune, air intake, and mufflers. (sticky tires). Full weight and stock gears...

gashaus34

What kind of horsepower gain can you get with no other mods. Other than a high-flow air filter, I don't plan on tearing up anything permanent until my warranty is up. But it would be nice to have a little bit on an edge.

2005RedGT

You will get around 15-20 rwhp with the XCal - they are definatly worth every penny.

-Bryan