nmcgrawj
Advanced Member
tmoss said:H pipes make more power than X pipes on average. Go to the drags and see how many X pipes versus H pipes you find.
FINALLY! After getting my Accufab headers and talking with George Klass he told me that they have done tests and h-pipes always made more power. Why do so many people think x's make more power? Another internet myth?
Now....i wonder where my d-pipe falls into this picture