Depo Racing Genesis 3.8 V6 Hi Flow Cat set. These HFCpipes will remove your stock cats. They flow far superior to the stock cats . You can replace your whole exhaust system and you still wont get any more power then installing these, this is where the power gets robbed. These would be installed day 2 of owning the car,lol.
- 2.5 inch 200cell Hi Flow Cat eliminates restricted cat section yet still removes the bad smells.
- Direct bolt on fitment
- Gaskets /bolts included
- 304 stainless steel
- 10 mm thick flange
I have these pipes in test-pipe (no cat offroad) version
I have looked up the meaning of Rasp since everyone uses it so much,lol, and I do not think test pipe will give you this sound. My guess is when a weld cracks and you have vibrating metal sound it would be like that.
"a coarse file or similar metal tool with a roughened surface for scraping, filing, or rubbing down objects of metal, wood, or other hard material."
PM shipped to 42223, I’m a bit confused though from previous comments. I have a CNT cat-back for my 3.8. Are you suggesting these cats instead of an downpipe? of in conjunction with?
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