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Non Turbo Muffler Advice Needed


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Hi All,

It's time to get a new exhaust/muffler for my R33 RB25DE GTS4..

Currently it has a Genie tri-flow/reverse-flow ('turbo' style) muffler, 2 resonators and 2.5" mild steel piping for the straight section, then it steps up with a bolted flange to 3" at the bends (I got it off a mate who changed his muffler on his gtst, which was 3") trumpet style, haha. Muffler has a loose baffle now and sounds crap, and i'm sick of the drone. The ideal new setup would flow a bit more freely than the stock system (of course keeping sufficient back pressure), don't want to any drone at 100KM/H, however when on the pedal a little bit louder than stock would be good. But not something that will attract the police, etc.

So I'm after a new muffler/fitting. Can anyone recommend what mufflers are good for this job? are an exhaust shop in the city/surrounding suburbs area that can do it? Prices?

cheers,

chicane

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Go an X-Force stainless steel cannon style with 4.5" tip! Can get them with titanium tips as well they look and sound mad!! Another good brand is MagnaFlow.... OR another option, A'pexi do an N1 series for NA cars with 2.5" inputs! Bit pricey though i'd imagine. Thats my 2 cents :bond:

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Thanks for the recommendations SRW-1! Is this what you have?

Ideally like to hear from other NA Skyline owners, posting up what muffler/combo's they have - Or does everyone here have stock peashooters? :D

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Yeah at the momment i've got a Magna Flow it looks and sounds great, however i'm contemplating changing it to an angled cannon style. Just some advice when you get it done, put a universal muffler in the cat back as well, not only will it quiet it down and make the exhuast less droney but it will also help eliminate that awful vibrating noise that NA's are renowned to make with an aftermarket exhaust!

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If you do not want attention from the police stick away from the angled cannon style.. i had on and got pulled over weeky.. and the cannons always sound droany.. i got sick of mine and changed it for a 2 1/2 with twin tips.. looks closer to stock and sounds better.. i agree with SRW-1 that you need a muffler half way down the car (an offset one with a centre chamber helps the droanyness even more).. stick away from cheap fiberglass packed mufflers here.. they melk the internals of them and then they rattle when you sit at the lights.. very annoying..

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