Quote:
Originally Posted by Rudy_1SS
http://www.phastekperformance.com/20...pipe-60606.htm
Would a system like the one in the Link sound diffrent than the cat-delete while still maintaining NPP function? It seems to me that this kit is the same thing I had done just with more piping, but for 500$ more there must be some difference. I suppose deleting the crimps may open up a lil more sound as well?
If anyone has a vid of NPP axel backed mated to this system id really appreciate it.
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Yes, the sound will change. You will get a smoother and slightly louder exhaust note. Sounds sweet above 2k RPMs, while WOT sounds vicious and loud!
The main reason why I choose the borla x-pipe was to delete the secondary cats, while still being able to revert back to the factory x-pipe whenever I need to. I bought high quality 2.75" band clamps that connects the x-pipe to the stock NPP muffler. Also, in Borla's R&D with the C7, they found that 2.75" diameter pipes has better overall performance advantages compared to 3" if your staying relatively stock.
Check out some of my sound clips...
Cold start in Ice/Snow mode:
Cold start in Sport mode:
Highway cruising: