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Exhausts
Posted: Thu Nov 29, 2018 4:15 pm
by bushoarder
Probably well asked...
I am running a Cali converted t4 in an early bay and it runs well. I used to have an empi single quiet pack header and home made turbo muffler.
I swapped to an empi dual quiet pack and lost power / performance as each bank of cylinders are Siamese and don’t scavenge.
I’ve since bought a bursch system from a 914 to fit.
What experience of these headers do people have - what’s best?
I have a bunch of silencers and I want to make a twin bas style system that’s quiet and free flowing. It is a camper and the drone of the turbo muffler is not great!!
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Re: Exhausts
Posted: Thu Nov 29, 2018 11:26 pm
by wreck
Gabbi underneath . .jpg
I made my own, I've a similar system on a split camper , a triflow muffler combined with a resonator normally kills the drone .
Re: Exhausts
Posted: Fri Nov 30, 2018 1:51 am
by bushoarder
That looks stunning!
I do plan on something similar in my bug when I get there - I’ve saved your picture. Amazing work - what size tubing did you use?
Agreed on the first box, that’s what ‘normal’ cars use as their front silencer I think - pleases to read it does work well on your setup. #ideasstealing
With the bus I want to use heater boxes so I’m stuck with a compromise anyway. I don’t have time to make one at the moment as we use the bus almost weekends hence I’ve stockpiled parts!
Does a type 4 prefer a header with 4-1 or 2-1,2-1? Anyone know?
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Re: Exhausts
Posted: Fri Nov 30, 2018 4:38 am
by wreck
2.5 inch pipe and mufflers , (engine is 2.6lt) the Camper has 2.25 inch , (2.3 lt ) . if you don't have a proper 4 in to 1 collector or a tuned Tri Y system In my opinion you're giving away a lot of horsepower and most likely causing the heads to run hotter than they would with a good exhaust . I just bought the mandrel bends and a bit of straight pipe and pieced them together .
Re: Exhausts
Posted: Fri Nov 30, 2018 4:49 am
by bushoarder
That sounds great.
I have one of these headers:
It’s a 2 into 1 then 2 into 1 again. Ignore the box. What do you reckon as a header?
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Re: Exhausts
Posted: Fri Nov 30, 2018 4:13 pm
by wreck
I don't have any info on them but the pairing looks correct for a Tri Y ,you can run the exhaust system to the left around the engine .
Re: Exhausts
Posted: Sat Dec 01, 2018 8:42 am
by bushoarder
Yeah I thought that it looked ok and suites heater boxes plus running two silencers in series.
I think the header pipes aren’t equal length though, but it’s gotta be better than my empi twin quiet pack!
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Re: Exhausts
Posted: Sat Sep 14, 2019 12:10 pm
by Ephry73
Looks pretty good Wreck. Making any others soon?
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Re: Exhausts
Posted: Sat Sep 14, 2019 3:09 pm
by wreck
No Ephry . Turbo Thomas has a very good reputation and does have some good looking exhausts .
http://www.ttexhausts.com/vw-hideaway-exhaust/
Re: Exhausts
Posted: Sat Sep 14, 2019 4:29 pm
by Ephry73
For sure
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Re: Exhausts
Posted: Sat Sep 14, 2019 4:47 pm
by H2OSB
bushoarder wrote: ↑Fri Nov 30, 2018 4:49 am
That sounds great.
I have one of these headers:

I have this same header. I'm using it with VS header pipes and a two, round, inline muffler set up like the BAS tail pipe.
Unfortunately, the engine is not assembled so I can't report whether or not it works well.
I will say those Turbo Thomas offerings are pretty nice
H2OSB
Re: Exhausts
Posted: Sun Sep 15, 2019 12:54 am
by bushoarder
That sounds good! Could you post a pic of what you’ve done?
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