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(Post Link) post #1 of 8 Old 11-11-13 Thread Starter
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v6 (gta) exhaust options

Hi everyone,

I've done a search and become slightly over whelmed. My standard gta exhaust has become grotty so I've been looking at a replacement. Upon my search I see there is a lot of choice oit there, as I'm considering changing the manifolds when it's cam belt change time too. From the cat back at least, I like the scorpion for value, the wizard sounds nuts but am unsure how well I could live with it.

Can someone please explain the choice we have from the head back? What's this cf2& 3 all about for instance?

I'm interested to know the noise levels, performance gains and estimated costs for the most popular of systems.

Thanks in advance, and sorry for the newb questions! :-) ed
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Originally Posted by farmered View Post
Hi everyone,

I've done a search and become slightly over whelmed. My standard gta exhaust has become grotty so I've been looking at a replacement. Upon my search I see there is a lot of choice oit there, as I'm considering changing the manifolds when it's cam belt change time too. From the cat back at least, I like the scorpion for value, the wizard sounds nuts but am unsure how well I could live with it.

Can someone please explain the choice we have from the head back? What's this cf2& 3 all about for instance?

I'm interested to know the noise levels, performance gains and estimated costs for the most popular of systems.

Thanks in advance, and sorry for the newb questions! :-) ed
Supersprint and CSC have systems as well. Supersprint offers a full system incl. manifolds (look on their website for perf. figures and pricing). See the search function for all info needed.

O by the way, please don't go for the silly quad exhaust, it's not a Ferrari :-)
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You should look at the Gta lounge as all it's been covered quite a bit.
Supersprint is nice but full system is £££
Replacing cf3 manifolds for earlier cf2 manifolds will remove the front 2 cats and give good power upgrade and less heat soak. Fair amount of work to replace so best with cambelt and taking engine out and doing everything in ease.
Best performance upgrade but choosing the right cat back system is a personal thing, as everything will be louder.
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If you are going to replace the manifolds with cat-less ones, stick to the exhaust you have to hear the noise levels and go from there. The manifold mod will increase noise so may be enough with an original backbox. If you want more noise then you have CSC, Ragazzon, Supersprint, Wizard, Scorpion etc.
If you dont like the wizard, supersprint would be my pick of the rest
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(Post Link) post #5 of 8 Old 14-11-13 Thread Starter
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Would a gta pass mot emissions with the de catted cf2 manifolds? How much more bhp would they provide approximately?

Would they fit into the rest of the exhaust system?

And equal length downpipes goes from the manifold to the cat, yes? What's the point in them?

I have tried searching all of this, bit I don't have a computer, just a smartphone and its hard work! Thanks ed
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Those who have the mods will be able to answer your questions better than I can.
However, if you're looking for a cheap solution to a grotty exhaust, I have a perfectly good Longlife back box and a standard 147 GTA centre section sitting in my garage taking up space.
The back box listed is in the classifieds section if you're interested.
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as long as you have the main cats under the car, it will pass the mot.
the downpipes are needed because the decat manifolds wont fit the original downpipes.
You get around 275bhp
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VID-20131025-00034 | Flickr - Photo Sharing!

Longlife exhaust mid, back and cat for £600. I couldn't believe it when the standard cost much more
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