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.
I see where im purchasing a muffler theres 4x9 and 5x8, which is ideal for f150s, the first truck to call MINE, so this stuff is new.. is a 4x9 workable? 18"
right on thanks... This guys wants to sell me a 4x9, i know that the catback mag has a 5x8, was just wondering what the difference was.
The SI/DO is only available in 5x8, so thats probably why, otherwise one is only an inch thicker than the other, and one is and inch taller than the other, no real difference.