So I just wanted to throw up a quick post on the gains I had with the catback install. My car is an auto premium and was 100% stock. Baseline pull was 357/351 with the final numbers being 363/357. A 7hp gain was seen throughout the curve. I'll try to get the graph scanned and uploaded soon. We baselined the car and did the install right there on the lift so numbers were few hours apart on a Dynojet dyno (Chris's Car Doc -Houston). HP gains were not much to get excited about but when combined with the sound, look, and weight loss I really can't complain. If I purchased the Borla (x2 the cost) I originally wanted and had the same gains I'd probably be pissed..lol.