NRV155 Posted August 10, 2011 Share Posted August 10, 2011 What is the quietest off the shelf exhaust for an r32 gtst? I think there was a Trust item that stated it was under 95db but not sure for what car though. Just looking for a bit more power with a nice subtle note but trying to stay legal. Cheers for any info. Link to comment https://www.sau.com.au/forums/topic/373658-quietest-exhaust/ Share on other sites More sharing options...
R31Nismoid Posted August 10, 2011 Share Posted August 10, 2011 In 3" ? There are plenty of exhausts in 3" that are well under 90db @ 4500rpm which is roughly the RB20 test mark. Anything Fujitsubo with two mufflers generally are all OK and quiet in 3" Link to comment https://www.sau.com.au/forums/topic/373658-quietest-exhaust/#findComment-5960484 Share on other sites More sharing options...
stig mick Posted August 10, 2011 Share Posted August 10, 2011 I had a GReddy power extreme II on my r32 gtst JASMA approved It was really quiet but that was with the in built silencer in the tip which reduced the outlet to 2.5 inches As soon as the silencer was taken out (which took 2 chisels a hammer and vice grips) it was quite loud. Link to comment https://www.sau.com.au/forums/topic/373658-quietest-exhaust/#findComment-5960555 Share on other sites More sharing options...
tomtom92 Posted August 11, 2011 Share Posted August 11, 2011 varex? Link to comment https://www.sau.com.au/forums/topic/373658-quietest-exhaust/#findComment-5960828 Share on other sites More sharing options...
stig mick Posted August 11, 2011 Share Posted August 11, 2011 varex? I don't think they are technically legal Link to comment https://www.sau.com.au/forums/topic/373658-quietest-exhaust/#findComment-5960832 Share on other sites More sharing options...
R33-RB26DETT Posted August 11, 2011 Share Posted August 11, 2011 I've got a Nismo Exhaust which is really quiet, almost stock in fact. I'm taking it off to put on a loud exhaust this weekend, if you're in melb and want to buy it off me let me know... Link to comment https://www.sau.com.au/forums/topic/373658-quietest-exhaust/#findComment-5961389 Share on other sites More sharing options...
lilcrash Posted August 11, 2011 Share Posted August 11, 2011 I think most Japanese made exhausts are pretty quiet unless it says otherwise, my hks is quieter then my wife's 2000 celica and her 2001 turbo beetle Link to comment https://www.sau.com.au/forums/topic/373658-quietest-exhaust/#findComment-5961522 Share on other sites More sharing options...
KEBAB_DRIFTER Posted August 11, 2011 Share Posted August 11, 2011 what is this jasma aproved? i got a cat back sitting around with a muffler (jasma badge)it is really quite Link to comment https://www.sau.com.au/forums/topic/373658-quietest-exhaust/#findComment-5961591 Share on other sites More sharing options...
boostn0199 Posted August 11, 2011 Share Posted August 11, 2011 Jasma is just like jap epa so its epa aproved in jap. Link to comment https://www.sau.com.au/forums/topic/373658-quietest-exhaust/#findComment-5961604 Share on other sites More sharing options...
NRV155 Posted August 11, 2011 Author Share Posted August 11, 2011 In 3" ? There are plenty of exhausts in 3" that are well under 90db @ 4500rpm which is roughly the RB20 test mark. Anything Fujitsubo with two mufflers generally are all OK and quiet in 3" Yeah, after a 3" full or cat back. What is the legal limit in NSW anyway? Was it 86db or something like that? Wish i could try before i buy, lol. That Nismo one looks good but not worth traveling interstate for, lol. Link to comment https://www.sau.com.au/forums/topic/373658-quietest-exhaust/#findComment-5962394 Share on other sites More sharing options...
AngryRB Posted August 14, 2011 Share Posted August 14, 2011 Yeah, after a 3" full or cat back. What is the legal limit in NSW anyway? Was it 86db or something like that? Wish i could try before i buy, lol. That Nismo one looks good but not worth traveling interstate for, lol. I just put on the 3 1/2 inch fujitsu cat back system, its very quiet and sounds alot more refined compared to a loud exhaust.. i doubt there'd be any legal issues with noise Link to comment https://www.sau.com.au/forums/topic/373658-quietest-exhaust/#findComment-5965362 Share on other sites More sharing options...
fastjetjockey Posted August 14, 2011 Share Posted August 14, 2011 I have on my 34 a JJR Solid Dump, high flow cat and a 3" Fujitsubo (JASMA) exhaust. It's very quiet when you're putting around town. But when you give it a bootfull it really has a nice note to it. Beats shifting to angel gear when passing police... Link to comment https://www.sau.com.au/forums/topic/373658-quietest-exhaust/#findComment-5965381 Share on other sites More sharing options...
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