Hi, I was wondering if somebody could help me figure out the best way to mate my APR dp/test pipe with my Neuspeed cat-back. The test pipe is 2 1/2 inches and the neuspeed pipes are 2 inches. I don't want to weld anything because I want to have the ability to connect my cats if need be. I am looking at some kind of reducer but remember I want to keep my exhaust the same length as it was before so it does'nt stick out the back or be tucked in. Thanks
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