Ok so from what i'm understanding, you are going to take in the parts so the muffler shop just has to do the H-pipe mid pipe and hangers...
They asked you if you wanted to keep your original Cats or if you wanted to replace them with High Flow Cats. This is where your question is. Should you get the High Flow Cats or stick with the Stock?
I just got my stuff installed so i'm not too savvy on this whole thing, but i think just using your existing would be fine, have the shop do the H-pipe hang the rest of the piping and weld on those American thunders, notch the bumber and drive off with your new exhaust.
__________________ Current Mods:
--Billit Grill (Not really a mod, but still it's something added that it didn't have before)
--Flowmaster Series 40
--TI CAI + XCal2 (91 torq)
--200HP/240Tq
--Numbers as of 12/14: 1/8 10.111 @ 70.18mph, 2.491 60" |