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The ATAK is cat back so what ever GM used it's from the last cat back, if I put on the headers there would be no cats at all, there is also axle back, and I want to say just mufflers and tips. I don't really know the other kits other than the ATAK.. cause that's just me lol..
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Kong Ported 2650, Crawford Racing Port Injection, Weapon X 112mm Adapter, NW112mm TB, Livernois Ported LT4 Heads, Lingenfelter GT32 stealth cam, Haltech Elite, and Carbon by Trufiber |