McLaren 600LT XperTune Performance Software Tunes & Software 75HP and greatly improves throttle

75HP and greatly improves throttle response

Each and every Porsche 997GT3 2006 to 2019 GT3/ GT3RS stainless steel and Titanium OEM muffler's metal skin fractures due to an “oil can” effect

The benefit is that you get the "straight pipe exotic sound" while still being able to provide enough emissions scrubbing to prevent a check engine light

Remove lower turbo heat shields

McLaren 600LT XperTune Performance Software Tunes & Software 75HP and greatly improves throttleAchieve maximum power gains (~80+ whp & 80 ft lbs) without sacrificing drivability or reliability. Maps are available for completely stock cars, or for cars equipped with Sport Cats, Catbypass Pipes, X Pipe Exhausts, upgraded turbos, and more. You wouldn't believe all the power that's waiting to be unlocked in your 600LT. We've had ample time with a 600LT on our in house Dynojet to unlock extra power on both stock vehicles and optimize performance