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the quickest/best/most logical solution would be to add twin turbos. the turbochargers will quiet up the exhaust quite a bit and get you a real nice appealing sound out of the exhaust that you will love.
the quickest/best/most logical solution would be to add twin turbos. the turbochargers will quiet up the exhaust quite a bit and get you a real nice appealing sound out of the exhaust that you will love.
Test pipes are known for rasp. Either swap them out for the stock cats or high flow cats. Or search youtube and the forum for exhausts that dont have rasp with test pipes.
On our test car, the rasp was only "bad" when it was cold, once warmed up it sounds pretty nice actually - but what sounds nice to me could be annoying to others.
Are you sure you don't have an exhaust leak? As Tony stated that could be the cause.
Test pipes are always a little raspy, but shouldn't be as bad as you are describing.
Hope this helps, let me know if you need anything.
On our test car, the rasp was only "bad" when it was cold, once warmed up it sounds pretty nice actually - but what sounds nice to me could be annoying to others.
Are you sure you don't have an exhaust leak? As Tony stated that could be the cause.
Test pipes are always a little raspy, but shouldn't be as bad as you are describing.
Hope this helps, let me know if you need anything.
-George
GT Motorsports
I agree with you there but have you drove around in the z up to 3k rpm from 1-2 gears? That's where I hear the rasp can't hear my exhaust.
I know the exhaust wrap thing sounds strange, but I read on the G-37 forum where a couple guys had the same issue with that rasping sound and they said they wrapped it up and it went away. Could be a cheap fix.
Sorry, but I'm not sure exactly. No one was too specific about that. I would assume just the HFC or test pipe section and maybe cover the flanges? I honestly can't promise this will work but like I said, it could be a cheap fix and others say it does work.
You would have the wrap the test pipe. That will only act as a sound deading on the tp. The rasp that carries through the exhaust will still cause rasp sound.