what do you guys do with 2.5" collector with a 3" exhaust. im guessing a test pipe 2.5" 3bolt might be too small to just bolt up to a 3" 3bolt?

im guessing im going have to run a 2.5" - 3" test pipe?
also would you guys know where i could just get the converter pipe from 2.5-3" so i can just weld it myself and not pay an *** load for a premade test pipe.

 

just go to a local muffler shop, they can make the test pipe that progressively goes to 3"

 

summit or jegs will have them.
http://www.jegs.com/i/Stainless+Work...T32.5/10002/-1