Turbo car. Cat or no cat.
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94NDTA wrote:
What is the difference (HP wise) between a turbo car with a high flow cat or no cat at all. The reason I ask is my buddy got a new 3 inch exhaust for his turbo daytona, but had the put on a high flow cat. Is there a big difference in hp?I think he should stick with the cats. I think its going tobe kinda loud. To the point where he's going to wish he left the cats on.
Take the cats off and see how he likes it?
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gunmaster wrote:
I think he should stick with the cats. I think its going tobe kinda loud. To the point where he's going to wish he left the cats on.Take the cats off and see how he likes it?
but if you do this youll need a test tipe or something there a HUGE differance in running open DP or no cat.
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In my personal experience, I like my car alot better with a cat on. I had a small round magnaflow high flow cat put on, and it made my car quite a bit quieter, especially at idle. Also it stinks alot less at stoplights, and I think I got a little low end back (lost some top end, but I don't really use the top end that much)
A cat may affect horsepower a bit, but not much, and unless you are squeezing every last bit out of the car already, you could get that back somewhere else. I think for me, the cat was a great decision and i'm very happy with it. YMMV -
depending on application you WILL NOT lose much power at all if you have a GOOD converter. I have made 600 plus to the wheels w/ them and alot of cars sound better with them in place. People that pick up horsepower w/ no converter is generally due to the cats being plugged. Good converters on a supercharged car will INCREASE the HP. I would advise him to leave the converter alone.
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dynotune wrote:
depending on application you WILL NOT lose much power at all if you have a GOOD converter. I have made 600 plus to the wheels w/ them and alot of cars sound better with them in place. People that pick up horsepower w/ no converter is generally due to the cats being plugged. Good converters on a supercharged car will INCREASE the HP. I would advise him to leave the converter alone.There's the answer you were looking for. A really good high flow cat only becomes a significant restriction at ridiculous amounts of power and up. I grew up around the smell of unburnt gas so it's no cats for me. I love it. I said I love it.
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Sweet-WRX-Lovin wrote:
I love it. I said I love it.This moment brought to you by Mr. Bartz (only Harvey people will have any idea what I'm talking about):icon_rr:
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Lose the cat., put in a test pipe. Chances are you'll melt the catalyst and end up with a plugged exhaust, if you're looking at a bigger turbo and most likely fueling adjustments.
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wannabe wrote:
press bent looks like a cambels soup can when its bent, all ripply and shit, mandrel looks like u would think a pipe bend should look, clean and somewhat uniform.
Yeah, it was very nicely done. It was NOT pressbent then. He said it was ~$200 less than he got quoted at SLS, but he got a discount. -
wannabe wrote:
Well with an in house mandrel bender, you can move stuff quicker. But i guarentee that Nicks welds are better than the poop they do at exhaust pros. Spanish-Rice shoul dpost up a pic of his sweet downpipe they made him...
I wouldn't doubt it. He got what he paid for, but it was what he wanted.
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