Quote Originally Posted by NegativeOne13 View Post
I never really felt a huge gain stock with just the HV3 in it. Headers is what I felt the most difference. And like Matt stated, 1-3/4" primaries do seem to make a big impact on low end. But top end it eats.
i never felt any gain haha, and yea headers will be the next thing ill add on, most likely good old SD headers