y pipe and catback
05-10-2007, 05:36 PM
#2
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Location: Raleigh, NC
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3" to 2 3/4". I have done this, and to get by at first I cut slots about an inch apart on the cat back so I could bend them out a little and use a band clamp to mate the Y to it. Worked for a year will a little leak until I decided to do it right.
I went to ORielly's and ordered an exhaust adapter that was 3" on one end and 2 3/4 on the other for a perfect fit.
I went to ORielly's and ordered an exhaust adapter that was 3" on one end and 2 3/4 on the other for a perfect fit.
05-11-2007, 02:50 PM
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OK, let me try this again. I think I was wrong above. It has been 3 years since I installed my TSP ORY. I just got my TSP Catted Y in today, and had some discussion with TSP. The end of the TSP Y where it would connect to the I pipe is 2 1/2 ID, and just under 2 3/4 OD. So the stock I pipe should slide right over and clamp together to answer your question. This is apparently true for ORY and Catted Y. 3 years ago I must have cut off the last 5 inches of smaller tubing on the ORY to keep it 3" to my cutout, then I had the 3" to 2 3/4" reducer to get it to fit snug on the stock I.
