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.
5.0L (1979-1995) MustangTechnical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.
Any summit product I have used has done just what it was meant to do. I wouldn't worry too much. If you get them, let us know how they turn out. I personally havn't heard anybody on here say anything about them.
Are you talking about the long tubes. You have to use a ton of sealant at the slip fit areas so they don't leak. They are really just flowtech headers. I would stay away from them if possible. Then your going to have to get a custom mid pipe made for them.