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R33 Gtr Exhaust Upgrade

96GTRman

By 96GTRman,
in Engines & Forced Induction

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96GTRman Enthusiast

96GTRman

Posted
Posted

Just got a 96 GTR and my mechanic has recomended first point for upgrade to wack a 3.5'' exhaust right through.

Wondering what is Legal and How do I find out what the legal limits are in QLD.

Also he rekons it will add about 40 rwkw , does anyone have any experience with this ??

regards sb..

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https://www.sau.com.au/forums/topic/95652-r33-gtr-exhaust-upgrade/
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Dynamix Experienced

Dynamix

Posted
Posted

The problems you will have is with the car being to low due to the exhaust going under the diff/drive shafts ect, the police will love to defect you for this, and also the biggest problem you will have is noise. 92 DB is the legal limit, i have a 3" exhaust right through and without the silencer i'm 102db @ 5100rpm. You should gain a fair bit of power from those mods, when doing this also get a set of pod filters or get a good pannel filter, something less restrictive. You should be able to up the boost to 1 bar and should be making around the 200awkw mark. Mine has the following done and is making a tad bit more power than that.

pnblight Mentor

pnblight

Posted
Posted (edited)

96gtrman i made my own 3.5' system with with twin 3' down pipes into 3.5' straight throught two the rear where at the time i could not buy the muffler(s) i wanted so as a tempary measure i cut the back off the standard unit gutted it and fitted the 3.5' into rear with the twin 2.5' standard tail pipes, the result was quiet awesome since then i have made 530rwhp with the system and i great a number of comments on the note of the gtr which is not really that loud so cruising isnt a problem/or police but it still has a nasty angry note. I used all mandal bends and also made custom 3' one piece dumps(like what tomei sell)

pete

ps if you take your time fitting it you can have it hang at the same height as std the diff is not a problem

Edited by pnblight

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