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.
you will be lucky to get a 3-5hp gain from it. You'll get more air in w/the plenum for sure, but you need a bigger m.a.m. and air filter to get real gains from that. With a free breathing exhaust you can push about 10-12rwhp from it. Well, in my '02 I did, I don't know much about pre '99's. I had the C&L 85mm m.a.m. w/trueflow pipe, Accufab 75mm t/b C&L plenum, and K&N air filter. I'm also running Bassani mids, Bassani x-pipe w/no cats and an magnaflow cat-back