seen some threads on this, so i thought i would post,
went down to apten / md motorsports yesterday and had my x pipe put on,
on a stock car sans k&n fipk, the car picked up 11 rwhp
that was with the stock cat back, dyno runs were made within a half hour of each other
hope that helps everyone
also, keep in mind, that is on a motor with only 800 miles, so it is still pretty tight, i've heard these cars make 25-30 more rwhp if you dyno at say 1500 and then redyno at 5000. i'm guessing on a loose motor the pipe might be good for 13-15rwhp
next week i will do a follow up test with the magnaflow cat back, we will do another "same day" baseline, throw on the magnaflow, and redyno
went down to apten / md motorsports yesterday and had my x pipe put on,
on a stock car sans k&n fipk, the car picked up 11 rwhp
that was with the stock cat back, dyno runs were made within a half hour of each other
hope that helps everyone
also, keep in mind, that is on a motor with only 800 miles, so it is still pretty tight, i've heard these cars make 25-30 more rwhp if you dyno at say 1500 and then redyno at 5000. i'm guessing on a loose motor the pipe might be good for 13-15rwhp
next week i will do a follow up test with the magnaflow cat back, we will do another "same day" baseline, throw on the magnaflow, and redyno