Hello all..I have an 09 Nismo and have a couple of questions about High Flow Cats and other performance upgrades for my car. Currently have 18,000 miles on it and
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04-28-2010, 05:35 PM | #1 (permalink) |
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370Z Nismo questions..HFC vs Test Pipe
Hello all..I have an 09 Nismo and have a couple of questions about High Flow Cats and other performance upgrades for my car.
Currently have 18,000 miles on it and recently installed a Stillin Gen 2 intake and want to continue to improve on a Great Car.. Questions. 1.How much HP gain can I expect to see from High Flow cats? 2.Any increase in sound? 3.Will test pipe make the check engine light come on? 4.How much increase from a Stillin lightweight pully change? 5.Anyone experience any Clutch slip problems? Thanks in advance for your feedback |
04-28-2010, 08:08 PM | #4 (permalink) |
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hell, i'll be at 16 by the time I get back to OK from Ohio, talk about doing some endurance testing, my VQ is holding up like a champ!
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04-29-2010, 08:15 AM | #5 (permalink) |
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Just buy a HFC
With Test Pipes: -you won't pass emission inspections, unless you're in one of the states that don't have them -your car will be spitting a ton more carbon monoxide=bad for everything -if you're ever idle and smell something bad, that's your exhaust a HFC will give you almost the exact results in HP gain, although neither gives you much. But it still functions like a normal catalytic converter |
04-29-2010, 08:25 AM | #6 (permalink) | |
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04-29-2010, 11:29 AM | #7 (permalink) | |
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- lots of automobiles spit out ton of carbon monoxide. One Z with TPs is not going to ruin the world. - there is a good chance you will get that smell with HFC as well. OP: With TPs you will get some rasp at certain rpms no matter the exhaust type. HFC s dont have that problem.
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04-29-2010, 11:49 AM | #8 (permalink) |
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I have a Nismo with the Berk TP. Haven't had a CEL come on yet, going on 300 miles.
I think the Nismo ECU is less sensitive than the 370Z base/touring ECU when it comes to mods. |
04-29-2010, 03:53 PM | #9 (permalink) | |
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1. You'll get your moneys worth. $500 is a cheap mod and you can't really go wrong. 2. Yes. See the exhaust clip thread. I don't think anyone has posted an OEM Nismo exhaust + HFC however. 3. Possibly. This is not an exact science. HFC's do have a less chance of making this occur however. 4. Probably not worth your money. I doubt you'll notice anything, but I could be wrong. 5. Not sure what you're asking. |
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04-30-2010, 04:41 PM | #10 (permalink) | |
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And I'm not singling out Z's. I'm talking any car in general. Catalytic converters are there for a reason, no reason to run test pipes. And the smell with a HFC resembles a normal catalytic converter more than a test pipe |
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04-30-2010, 04:43 PM | #11 (permalink) |
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I put Berk HFCs on my Nismo as my first mod. Amazing, deep sound. Still wasn't the volume I wanted, so I upgraded from Nismo to Berk CBE.
You won't be disappointed with HFCs on the Nismo.
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04-30-2010, 06:11 PM | #12 (permalink) | |
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04-30-2010, 09:30 PM | #13 (permalink) | |
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