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Model specific boards => Golf mk4 => Topic started by: Sammy14913 on 19 July 2016, 18:17

Title: Long life exhaust systems
Post by: Sammy14913 on 19 July 2016, 18:17
Has anybody ever had a turbo back from long life?
Title: Re: Long life exhaust systems
Post by: lemski on 19 July 2016, 18:49
Not a turbo back but had exhausts made by them. Ive always liked them,good service etc and not badly priced
Title: Re: Long life exhaust systems
Post by: Sammy14913 on 19 July 2016, 19:36
That's alright then mate of mine had a cat back on his Megan sport looked and sounded nice hence y I asked I'm waiting on a email with a price of a turbo back fort I might as well get the whole lot done as I have a blow from the flexi down pipe.
Title: Re: Long life exhaust systems
Post by: Sammy14913 on 20 July 2016, 14:36
£850 they can jog on...😑
Title: Re: Long life exhaust systems
Post by: paradisiac82 on 20 July 2016, 20:42
Will turbo back go through an MOT as no CAT? if not, how easy is it to fit a CAT for an MOT or does all that get bypassed with the turbo back and therefore costly?
Title: Re: Long life exhaust systems
Post by: Rhyso on 20 July 2016, 21:14
Will turbo back go through an MOT as no CAT? if not, how easy is it to fit a CAT for an MOT or does all that get bypassed with the turbo back and therefore costly?

Turbo back should include a sports cat so will be fine for MOT providing everything else is working properly

Decat is when you'll fail an MOT  :wink:
Title: Re: Long life exhaust systems
Post by: paradisiac82 on 20 July 2016, 21:22
Will turbo back go through an MOT as no CAT? if not, how easy is it to fit a CAT for an MOT or does all that get bypassed with the turbo back and therefore costly?

Turbo back should include a sports cat so will be fine for MOT providing everything else is working properly

Decat is when you'll fail an MOT  :wink:

Ah ok, mine has had the CAT scooped out :p so whats the benefits of going turbo back and what parts are changed/removed from the standard setup :/
Title: Re: Long life exhaust systems
Post by: Wazzzer on 20 July 2016, 21:25
You'll have either 2.5" right through or 3" downpipe to 2.5" system

The standard system is 2.25" right from the turbo
Title: Re: Long life exhaust systems
Post by: paradisiac82 on 20 July 2016, 21:30
You'll have either 2.5" right through or 3" downpipe to 2.5" system

The standard system is 2.25" right from the turbo

So stock exhaust is turbo back, when people say 'turbo back' system they just mean CAT back with a sports/enlarged CAT/pipe
Title: Re: Long life exhaust systems
Post by: Sammy14913 on 20 July 2016, 22:19
Turbo back is the down pipe from the turbo the centre section and the back box the down pipe has the cat attached it's better to get a turbo back as pipe work is bigger 2.5 or 3 witch means turbo spools better as its realising gasses quicker
Title: Re: Long life exhaust systems
Post by: Sammy14913 on 20 July 2016, 22:20
And the 850 was for a decat turbo back not sports cat
Title: Re: Long life exhaust systems
Post by: paradisiac82 on 20 July 2016, 22:51
Turbo back is the down pipe from the turbo the centre section and the back box the down pipe has the cat attached it's better to get a turbo back as pipe work is bigger 2.5 or 3 witch means turbo spools better as its realising gasses quicker

ok, still a little confused, so stock downpipe still goes to the turbo, its just smaller than it should be?
Title: Re: Long life exhaust systems
Post by: lemski on 20 July 2016, 22:52
Stock downpipe is from turbo to cat. But you can get unrestricted ones that are a little larger in diameter
Title: Re: Long life exhaust systems
Post by: paradisiac82 on 20 July 2016, 23:58
Stock downpipe is from turbo to cat. But you can get unrestricted ones that are a little larger in diameter

ok, so my TDI has a tubo back exhaust as stock
a CAT back system leaves the turbo downpipe and CAT but replaces the center pipe and backbox
a turbo back system just replaces all the existing exhaust components with larger bore ones and has an option of removing the CAT
a straight through system removes CAT, center muffler (if there is one) and rear muffler and replaces it with one big pipe from turbo all the way down

and finally, a resonated system has baffles in and a non resonated system does not.

is that correct?
Title: Re: Long life exhaust systems
Post by: lemski on 21 July 2016, 10:28
Yes mate.

Res and non res am not sure on though. But non res is louder
Title: Re: Long life exhaust systems
Post by: Dalo Harkin on 22 July 2016, 11:30
I've got one on mine, unless the pricing has gone up exponentially, I paid £250 for the cat back (including a choice of tip) and when I got the downpipe and 200 cell sports cat (FIA Approved if anyone needed to know  :laugh:) fitted that was £300
Title: Re: Long life exhaust systems
Post by: Wazzzer on 22 July 2016, 12:50
non res just means the centre box/resonator has been removed
Title: Re: Long life exhaust systems
Post by: paradisiac82 on 22 July 2016, 20:25
non res just means the centre box/resonator has been removed

the TDI's dont have centre boxes anyway though do they?
Title: Re: Long life exhaust systems
Post by: Wazzzer on 22 July 2016, 21:14
No I don't think they have them as standard
Title: Re: Long life exhaust systems
Post by: Sammy14913 on 26 July 2016, 22:37
Just picked up a power flow turbo back £100.. Off my cuzons friend as he's breaking his gti.. Also has full black leather for sale mint condition and other parts and has k04 for mk4 as well just saying in case anybody out there is interested in Herfordshire area