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Title: Exhaust set up for track days on a single??
Post by: mjwebb48 on February 23, 2007, 04:15:36 PM

Current set is far too loud and want to either completely change or modify current system.Running a t88-33d and exhaust seems to be straight through no silencers at all!! looks like 4" .

Just wondering what others have to enable track friendly noise levels?

My car was icesurf3r and those who have heard will know how loud it is!!!!!:2eek
Cheers
Mat

Title: Exhaust set up for track days on a single??
Post by: BlitzBoy on February 23, 2007, 04:20:33 PM

Reworx have developed a track friendly exhaust system for single turbo cars give them a tinkle

Title: Exhaust set up for track days on a single??
Post by: 20B_boy on February 23, 2007, 04:40:54 PM

Quote from: mjwebb48Just wondering what others have to enable track friendly noise levels?

Try the RE-Amemiya Dolphin systems, they do a 4"-ish 2-piece version thats very good, sure others can recommend too. Make sure the midpipe has a big resonater at least. You can quite often save a few decibels by cutting open and repacking all the silencing elements of the system with good quality materials (make sure the stuff u r using is up to Rotor-operating temps ofc).

The trick is finding a system that quiet but still has max flow. A lot of quiet systems you wil cut open and wonder how the car breathes at all, so tortous are the bends and pipe mis-matches in the silencers.

Title: Exhaust set up for track days on a single??
Post by: Fish on February 23, 2007, 05:06:30 PM

I currently have a T04S single setup, which is just on the limits for Brands on a loud day (105db) making 104.7db. Straight thru mid-pipe and RE Dolphin box.

I am arranging to have a centre pipe made that will have a large resonator box that will be able to withstand the heat of a rotary. This will be at least a couple of weeks away.

Fish

Title: Exhaust set up for track days on a single??
Post by: mjwebb48 on February 24, 2007, 11:23:12 AM

Thanks for the advise guys, anyone else?
who could source me an re a dolphin system?

Title: Exhaust set up for track days on a single??
Post by: Fish on February 24, 2007, 11:45:54 AM

Not sure if ReWorx can sort you out, if not try NewEra. They have people out in Japan who I am sure could source one.

Fish

Title: Exhaust set up for track days on a single??
Post by: mjwebb48 on February 24, 2007, 11:47:53 AM

Fish

Do you know which of th re you have looking on thier web site there are a few different ones.

Mat

Title: Exhaust set up for track days on a single??
Post by: Fish on February 24, 2007, 11:59:09 AM

Who\'s website? RE, NewEra or ReWorx?

Thanks
Fish

Title: Exhaust set up for track days on a single??
Post by: mjwebb48 on February 24, 2007, 12:01:36 PM

sorry mate
re`s
mat

Title: Exhaust set up for track days on a single??
Post by: Fish on February 24, 2007, 12:24:52 PM

Looks like the \'FD3S TAﾚﾌﾟﾘｶ Dolphin Tail Muffler\' but other than the titanium and the twin dolphin they all look the same.

Fish

Title: Exhaust set up for track days on a single??
Post by: 20B_boy on February 24, 2007, 06:40:31 PM

Trawl the Jap websites, a few of them at least quote Db figures for their exhausts.

Mazda Rotary Club

General => General Technical => Anything Engine/Performance/Tuning related => Topic started by: mjwebb48 on February 23, 2007, 04:15:36 PM