Y-pipe for stock manifolds
I also need to get O2 sims right? Is there anything else I'm missing?
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Installation was easy, unhook the old one and put the new one. Install O2 sims and off I went. One thing that I realize is how much the cats muffle the sound of the car the car got a lot lowder that in addition with the Borlamouth gave the car a real mean sound, but it was still livable as far as interior noise.
I did gain some HP with the swap but not a lot. I just took the Y-pipe because my plans changed and although the stock exhaust manifolds+ORY+Borlamouth where enough to support the stock engine. Once I put a big cam with lots of overlap (MS4), the current exhaust setup was inadecuate. So I got LT headers and a ORY and still have the Borlamouth. So in short it depends what you want to do with the car, I was happy with them for the time that I had them My car put 348.7 hp and 357.6rwtq with a Lid, 160stat, and the exhaust described previously.
I'm selling mine now that I have headers if you want it here is the link.
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