: The logs are analyzed, and a final, optimized tune is flashed to the vehicle to maximize horsepower gains—often cited as high as 50 RWHP when paired with headers. Performance Gains (On Paper vs. Real World) Modification Real-World Impact Headers + B-Pipes Fixes cracks; adds ~30-40 HP Required to stop the "ticking" leak sound. UpRev Tune Optimizes AFR; adds ~10-20 HP Required to clear CEL/SES lights after header install. Muffler Swap Mostly "on paper" gains

"After installing UpRev on my 370Z, the difference is night and day. If you are looking to truly 'crack' into your car's hidden potential, this is the industry standard for a reason. The Tuning Process