When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
spacer-4Hp----no hp gain
Intake-18Hp--1hp if that
Muffler-19Hp---none
X-Pipe-9Hp--2-3hp
Headers-24Hp worthless unless f/i
Pulleys-11Hp FREES up 8hp doesnt give u any hp
Tuner-35Hp hhaha
OK heres the first problem u use ricer math, heres the true gains