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.
If you're talking new exhaust, with only minor bolt on mods done, then crush bending isn't going to hurt your performance any, just go about 1/4" - 1/2" bigger than the stock diameter piping.
