Originally Posted by kazfan30

Are you having the same issues as i did a few years ago when i installed mine??

The TSP Y-pipe had problems in 2 places... 1) the crossover had about 1/16th of an inch from hitting the 6L80e pan on the bottom and driver side.... and i didnt like that. 2) i had to notch the crossmember on the passenger side where the actual Y merges together and goes over the crossmember. It literally just sit on top of it with no clearance until i cut a bit corner out of it. This was last year or so... so not sure if they may have changed things since then.
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Originally Posted by kazfan30

No experiences with the Speed Engineering Headers, but the TSP Y-pipe will fit the 6L80E but its not nice... its EXTREMELY tight fit and takes some muscle. The quality wasn't good and it leaked everywhere with clamps. Once i installed it i took it to a muffler shop and he did some massaging and welding and it worked fine afterwards. I FOR THE LIFE OF ME and cant understand why all these companies can make headers to fit perfectly and yet they cant build a Y-PIPE????

Originally Posted by Jake75

Yes I have the texas speed y pipe with the speed engineering headers and the 6l80.

[IMG]http://i20.photobucket.com/albums/b205/jprecella/Mobile%20Uploads/20160113_031948.jpg[/IMGnot Sure what the 2 pieces are in the bottom picture