rehab2010 Posted April 16, 2012 Author Share Posted April 16, 2012 None of the jap systems will be over track noise limits. You'll be fine. Racespace or Rob Sabbadin will be able to do a custom system for similar price i would image. Call em. Imo there is little difference between the two u have mentioned. HKS has a nice note on GTST. Thanks for the advice all - now I have like 3-4 different avenues to pursue - oh well, its all fun Link to comment https://www.sau.com.au/forums/topic/397745-blitz-nur-spec-rx-vs-hks-silent-hi-power/page/2/#findComment-6317006 Share on other sites More sharing options...
rehab2010 Posted April 25, 2012 Author Share Posted April 25, 2012 Have you looked inside to confirm? They often have internal baffles, most of the Jap ones I've seen come through have them. Both my jap ones over the years have. "3.5" exhaust, but with internal baffles around the 3"-2.75" Well, I went and got myself a brand new Apexi N1 Pro for an unreal cheap sum of $690 from Ark Design. Its dimensions are following - 3" flange then its 3.5" piping into the centre muffler - from there it goes to 3.75" all the way into the back muffler which is 3.5"........ Is it gonna be loud - probably. Will I need Apexi ATS - probably, but lets see how loud its first I also got some Blitz front pipes 2x70mm into an 80mm, and a 3" ceramic cat. Link to comment https://www.sau.com.au/forums/topic/397745-blitz-nur-spec-rx-vs-hks-silent-hi-power/page/2/#findComment-6330568 Share on other sites More sharing options...
SiR_RB Posted April 25, 2012 Share Posted April 25, 2012 nice front pipes and cat back....but you could of done better than the ceramic 3" cat you got Link to comment https://www.sau.com.au/forums/topic/397745-blitz-nur-spec-rx-vs-hks-silent-hi-power/page/2/#findComment-6330672 Share on other sites More sharing options...
Piggaz Posted April 25, 2012 Share Posted April 25, 2012 So really it's a 3 inch exhaust. Link to comment https://www.sau.com.au/forums/topic/397745-blitz-nur-spec-rx-vs-hks-silent-hi-power/page/2/#findComment-6330851 Share on other sites More sharing options...
ssxRicho Posted April 25, 2012 Share Posted April 25, 2012 It's not going to be too loud. Just right. Do you drive it everyday? If so, yes it will be a little loud on the road, but perfect on the track. lol at this thread, GTR owners are a different breed. It's a stock engine that sees track days...it is not going to see over 300rwkw. Link to comment https://www.sau.com.au/forums/topic/397745-blitz-nur-spec-rx-vs-hks-silent-hi-power/page/2/#findComment-6331037 Share on other sites More sharing options...
rehab2010 Posted April 25, 2012 Author Share Posted April 25, 2012 I don't drive it everyday - but few times a week - hoping it will sound nice down at PI main straight This thing will probably never see 300rwkw. Did look into custom 3.5" - price was $3,500: So here is the questionaire, what would I make more power with: A: 3.5" custom exhaust and stock turbos - total mods cost = $3,500. B: this exhaust setup and a pair of -7's - total mods cost = $3,500. I'm pretty sure I already know the answer to this. I know, with option B I'd need new fuel pump and some injectors but value for money custom exhaust just was not making any sense. Link to comment https://www.sau.com.au/forums/topic/397745-blitz-nur-spec-rx-vs-hks-silent-hi-power/page/2/#findComment-6331099 Share on other sites More sharing options...
Missileman Posted April 28, 2012 Share Posted April 28, 2012 Saw your results in the dyno thread, so how does the exhaust sound? am thinking of getting one for my gtst. Link to comment https://www.sau.com.au/forums/topic/397745-blitz-nur-spec-rx-vs-hks-silent-hi-power/page/2/#findComment-6334535 Share on other sites More sharing options...
rehab2010 Posted April 28, 2012 Author Share Posted April 28, 2012 Saw your results in the dyno thread, so how does the exhaust sound? am thinking of getting one for my gtst. Its reasonably noisy - not too bad, there is a bit of booming in the cabin but I don't think its too bad. Ground clearance in the middle of the car is really good but looks like its slightly less where the middle muffler is located. Fit and finish seemed 1st class - definitely a value-for-money...and it doesn't seem like it hurt the power output too much either Link to comment https://www.sau.com.au/forums/topic/397745-blitz-nur-spec-rx-vs-hks-silent-hi-power/page/2/#findComment-6334587 Share on other sites More sharing options...
AngryRB Posted April 28, 2012 Share Posted April 28, 2012 does your muffler have a restrictor inside? is it a hotdog resonator? cause i just fitted a nur spec muffler and its terribly noisy and dronning from idle til about 2500rpm. Link to comment https://www.sau.com.au/forums/topic/397745-blitz-nur-spec-rx-vs-hks-silent-hi-power/page/2/#findComment-6334655 Share on other sites More sharing options...
rehab2010 Posted April 28, 2012 Author Share Posted April 28, 2012 does your muffler have a restrictor inside? is it a hotdog resonator? cause i just fitted a nur spec muffler and its terribly noisy and dronning from idle til about 2500rpm. No restrictor inside the back muffler - just a 3.5" pipe. Centre muffler is not hotdog style - its a fullsized muffler as can be seen on the picture, Link to comment https://www.sau.com.au/forums/topic/397745-blitz-nur-spec-rx-vs-hks-silent-hi-power/page/2/#findComment-6334675 Share on other sites More sharing options...
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