super loud pipes newbie
hi all - so yesterday after some searching i finally brought a 2002 WRX with a little bit of a secret history as to modifications. I test drove a number of cars before this one but they were totally standard and were wanting abit of power. Now i know my one has been tampered with as it flies but with no remap receipt of dyno data i cnt be sure exactly what.
now what i do know is it has the loudest pipes iv ever heard as its put a straight through turbo back 3" pipe and this really needs to go just because its getting to much attention and it makes me deaf haha. So to the question - if i add back on the standard down and mid Cats and then get a cat back exhaust will this create to much back pressure on the turbo if its been mapped? I need to cats for MOT but i guess i could just pop those on to pass the pass the test so if i keep it Decat how is best to lower the noise level, maybe just replace the rear pipe to one with a resonator and then add on a proper back box? trying to do the cheaper option thats best for the car overall thanks all |
If your thinking of doing that, it needs to be mapped at the same time. Way to much difference in flow to be on the same map.
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That's what I thought. I didn't know if just adding on a back bis would settle the noise down without need for the remap. I guess it's never that simple though.
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Im after a middle section with no silencer for my 2003 wrx so im guessing your would fit.wanna sell or swap haha
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im getting a rear box and centre pipe fitted hopefully this week - the rear pipe will be without the resonator (2nd hand) but if its still too loud il be in touch and see what we can come up with
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