Thread: question on what to replace on exhaust system

the cat is in the down pipe then theres a resonator, then the intermediate pipe, aka Y pipe to the mufflers.

if you have all stock cat back, that means its all welded together, so you need a welder to replace individual parts.

if its after market and all clamped together, you can drop the cat back and change mufflers, or the res. cat is still welded in the dp in most cases.

okay sounds good, thanks for the help man.