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Everyone I know who is running a TTI system is happy with it. I am only running the old TTI 3" H-Pipe system with the large super-turbo mufflers. This was after spending good money on a 3.5" muffler shop system with race bullet mufflers that dumped before the rear axle. The muffler shop system has badly crumpled bends, and the turn downs would blast debris off the ground right back up onto the rear axle and the bottom of the car. It also sounded like I was running uncapped mufflers, even after I installed the larger welded race mufflers. The TTI system fit, came with all the hangers, and reduced the exhaust noise to a tolarable level, and there was no difference in performance in my car which just runs 12.5 in Denver, but 11.80's @ 115 in Vegas.

I currently have Hooker 2" supercomp headers, but they don't fit worth a darn, and I can't get them to seal at the head. I may bite the bullet and get the TTI headers.



The trick with those POS super comps (I had three sets before TTI Heaven) is to get the good fel pro header gaskets coat liberally on both sides with Hi temp RTV. Then just snug up and wait 1 hour. Then tighten leave over night, tighten again heat cycle and tighten again.
Then check for tight once every week or two!



I think most of my hooker header problems is my engine configuration, Low deck 'B' block with Edelbrock Victor MW heads. They may fit better if using a 440 with stock location exhaust ports, which is their "specified" application.

TTI is about the only place that makes off-the-shelf headers specific for odd-ball block/head combinations like this.

Along time ago I had the regular smaller tube size hooker comp headers, on a 383 with 906 heads, and they fit great.