Looking at fitting some Tullett parts to my itb engine, and noticed that the cat downpipe is suitable for track only. What makes this unsuitable for road, and will it cause MOT issues?
Also, was planning on keeping the VSE back box, will swapping the cat for Tullett race cat considerably affect noise?
Mat
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Tullett Exhausts
Started by
Mat Jackson
, Apr 18 2017 07:02 PM
5 replies to this topic
#2
The Batman
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Posted 18 April 2017 - 07:09 PM
its a bit like your VSE saying on it "Track use only"
as its a smaller cat than originally fitted, it covers them 
#3
Mat Jackson
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Billy No Mates
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Posted 18 April 2017 - 07:15 PM
Ahh, makes sense. Does the cat make much difference noise wise? Sent from my iPhone using Tapatalkits a bit like your VSE saying on it "Track use only" as its a smaller cat than originally fitted, it covers them
#4
smiley
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Thetan level 15
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Posted 18 April 2017 - 07:19 PM
Also, was planning on keeping the VSE back box, will swapping the cat for Tullett race cat considerably affect noise?
You are going from 400 to 200 cells, and from 2" to 2.5", so I think yes it will affect noise.
#5
ditonics
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Turbos aren’t as good as NA’s
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Posted 20 April 2017 - 08:13 AM
I have a 3" 200 cell tullet and i wouldn't call it loud.
It's been sound tested at Brands and passed no problem. Not actually been on track yet.
Edited by ditonics, 20 April 2017 - 08:13 AM.
#6
ChrisS1
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Posted 20 April 2017 - 08:21 AM
The turbos do tend to run more quietly than the NAs so with a VSE and 200 cell cat you're going to be noisy.
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