Search results
-
Flowmaster super 40
On the flowmaster web site they say this is a new muffler as of August 1, has anyone bought one yet and if so how is it , when I enter my truck in their filter it comes up with this muffler but doesn't say if it's a direct fit . The description looks promising- Hemifatboy
- Thread
- Replies: 15
- Forum: Engine & Performance
-
Performance upgrades and dyno results
I'd like to see any performance upgrades backed up by dyno results , digging around for dyno results stock and after mods is almost impossible , post them here- Hemifatboy
- Thread
- Replies: 17
- Forum: Engine & Performance
