Help with TTI X Exhaust

May help may not. When I got my TTI headers they came with 9 inch collecters. Then I bought the 3 inch H pipe system and it came with 6 inch collecters so I also got the welded thrush mufflers. We used the shorter collecters and shorter mufflers installed back to front didn't cut any pipes fit perfect. Used all band clamps also. Very nice stuff. Imo....