have the 2.5" expanded to fit snuggly into the muffler inlet, weld, and you're done. If you don't think that the 2.5" will stretch that much, get a short length of 3", strecth the 2.5" to fit the 3" and then stretch the 3" to fit the muffler, slide it all together, weld and you're done.

'98 CSVT 3L Hybrid "It all comes down to how fast you want your money to go." ______________________________________________ View Profile