Originally Posted by X5Jay

I have an SSTT tuner on my 335 and the claim is about 40hp and 50 lb-ft. I paid $525 for it and it just plugs in to the TMAP wiring - takes 2 minutes to install and uninstall (for service). I can really feel the difference and it's more than fast enough for me - especially for the price and the ease of use. It's certainly not as fast as a vette, but for the number of times I'll try to get top acceleration out of it, it's more than enough to put my license at risk...