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4-2-1 for a Gti (now with results)


GAZ3256
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  • 2 weeks later...
Ok thanks for your help. Will place my order next week.

Recieved your order tonight.. will ship it out tomorrow so you should get it wednesday biggrin.gif style="vertical-align:middle" emoid=":D" border="0" alt="biggrin.gif" />

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Hiya mate, i got one fitted to my Sport a couple of weeks ago, from the following pic you can see where it was heated up and bent, overall, probably bent about an inch to an inch and half.

I took it to a local garage and got them to do it, with an oxy acetelene (sp.) torch. cools down quickly though because of swapping and changing from pipe to pipe so makes it not a quick job, would be handy if you had two of them though.

PICT3020.jpg border="0" class="linked-image" /> border="0" class="linked-image" />

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Hiya mate, i got one fitted to my Sport a couple of weeks ago, from the following pic you can see where it was heated up and bent, overall, probably bent about an inch to an inch and half.

I took it to a local garage and got them to do it, with an oxy acetelene (sp.) torch. cools down quickly though because of swapping and changing from pipe to pipe so makes it not a quick job, would be handy if you had two of them though.

PICT3020.jpg border="0" class="linked-image" /> border="0" class="linked-image" />

Ah right, so it just the bend angle on the down pipe then?

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As far as i have gathered yeah. Though it't be nice if the angle was known, could do with being angled not as much as it's currently quite close to the undershield. Trial and error i guess of different peoples setups.

Edited by Tallika_Fan
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What is the reason for changing the angle, is it to do with the position of the lambda on the new manifold by any chance? blink.gif style="vertical-align:middle" emoid=":blink:" border="0" alt="blink.gif" />

Gaz

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On the Lupo GTI, its the sump thats in the way.

Thats because the Lupo GTI does not share the same sump design as the rest of the VW range (due to the hydrolic clutch Id guess)

The polo GTI using the same sump as the Lupo sport, and also the polo 1.4 16v (what the manifold was designed for) so it fits the sump, but catches on the sub frame.

No idea why, I guess its because they cost £150 and not the £600 Supersprint wanted when they sold them.

Not a bad job though, easiest part of the fitting.

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Cheers for all the help folks. Should hopefully have it fitted soon, going to a custom exhaust specialist tomorrow to let them have a look. Oh just one more question, how long roughly has it taken you guys to fit them in the past???

Gaz

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Working on my own with limited lifting capabilties from my jack and stands it took a few hours to do. (not including wrapping it, that itself took about as long as half the length of Beetlejuice laugh.gif style="vertical-align:middle" emoid=":lol:" border="0" alt="laugh.gif" />)

My only problem still is that it's still blowing a bit, though i'll sort that out at some point.

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It took me an hour to wrap the manifold before fitting it.

An hour to remove the old manifold and loosen the Alternator.

Half hour to place the new manifold in the engine bay!! Lots of swearing.

Half hour to remove the wrap when I realised the manifold needed heating and bending. Again, lots more swearing.

Half hour to bend the pipe.

A hour to cut the old system (Buy a pipe cutter!) More swearing.

A hour and half to weld a flexi joint onto the Cat' and down pipe and attach the exhaust to the manifold.

Two hours to make up a new loom for the lambda probe and route the wiring.

Long job, but probably enjoyed it more than any other task Ive taken on.

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  • 2 weeks later...

Well guys the manifold is on (was charged 4 hours labour) and the difference is incredible, see power graph below, the "before" power run is in the background 15.5bhp and 6lb/ft difference :shades:

Aug28_08.jpg

Edited by GAZ3256
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sorry but i can't see the graph very good? whats your bhp before fitting the new manifold and after fitting the new manifold?

also what garage did this for you if you dont mind me asking? did u just supply the manifold and then got changed 4 hours labour and thats it?

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The before figure was 128.8bhp, 114lbft and the after figure is 144.3bhp, 120lbft. Sounds incredible now. Got it done at Sounds of Silence, yes i supplied the manifold and got charged 4 hours labour at £25 + VAT. But had it back at them a few times since.

No other mods, just a BMC (which was fitted on the 1st run to) and always ran on Shell V-power.

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The before figure was 128.8bhp, 114lbft and the after figure is 144.3bhp, 120lbft. Sounds incredible now. Got it done at Sounds of Silence, yes i supplied the manifold and got charged 4 hours labour at £25 + VAT. But had it back at them a few times since.

No other mods, just a BMC (which was fitted on the 1st run to) and always ran on Shell V-power.

very impressive.

Do you have a straight through exhaust fitted too? Or just standard?

Any improvement on sound etc? Also..any lights on the dash coming on..or is it all running good?

Sry about all the q's...

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