X-pipe question!
OK I have Mac headers with ORP stock intermediate pipe with a cut out before the axle and then a flowmaster with turndowns. My question is, how would I gain from taking off my exhaust system now and adding a x-pipe with 2 bullet mufflers? Im looking for little things to help me slip into the 11's. TIA
If you decide to go with the X, email me, I can hook you up.
With that said, I switched my custom 3" Y into 3.5 I, into a cutout, with the duals, at the track. I picked up 1.5 tenths. I dont know what that equals to in HP, but there you go. Every car is different, but I would say you could expect anywhere from 7 to 15 hp. Every car is going to respond differently, & you may be running rich or lean to begin with. But I would think that if you switched, & used ATAP & a MAFT to dial the car in, your gains would be significant. JMO
http://members.home.net/motownmuscle...st/IMAGE51.JPG
With that said, I switched my custom 3" Y into 3.5 I, into a cutout, with the duals, at the track. I picked up 1.5 tenths. I dont know what that equals to in HP, but there you go. Every car is different, but I would say you could expect anywhere from 7 to 15 hp. Every car is going to respond differently, & you may be running rich or lean to begin with. But I would think that if you switched, & used ATAP & a MAFT to dial the car in, your gains would be significant. JMO
http://members.home.net/motownmuscle...st/IMAGE51.JPG


