[Jmcnamee98]

If your trying to get stage II and keep the standard exhaust aren't you better off with a 4' to 2x 2'? My setup is a copy of the 034 Motorsports downpipe from VRS Northampton. CTS also do one like this;

http://www.psituning...h_flow_downpipe

You could then run secondary cat bypass sports cats or could try the standard secondary cats although VRS warned against this as they might melt.

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[MikeYoung]

In the link I posted it goes into the standard system as well, look at the image of under the car, they use just 1 high flow cat, so you still get no worries at mot time.

[Jmcnamee98]

Yes it does but I would have thought 4' to 2x 2.5' would give better flow rather than 4' to 3' to 2 x 2.5' do you know what the cost of the BCS downpipe is?

You could always find a friendly MOT tester mine is being done this week.

Edited by Jmcnamee98, 23 September 2014 - 04:17 PM.

[FletchRS3]

Yes it does but I would have thought 4' to 2x 2.5' would give better flow rather than 4' to 3' to 2 x 2.5' do you know what the cost of the BCS downpipe is?You could always find a friendly MOT tester mine is being done this week.

I will need to take mine to a friendly one very soon

[TheLegate]

Just got an OEM backbox fitted on mine with gutted resonators and with scorpion 2nd cat bypass pipes, absolutely amazing sound, but when in normal mode you don't you feel too much difference sound wise, only when you turn on S it really sings which is perfect for me.

[Jmcnamee98]

Just got an OEM backbox fitted on mine with gutted resonators and with scorpion 2nd cat bypass pipes, absolutely amazing sound, but when in normal mode you don't you feel too much difference sound wise, only when you turn on S it really sings which is perfect for me.

Are you mapped? Do the downpipe too you won't regret it I did it this way for stealth partly cost but mostly to control noise / keep the Mrs happy ... win win all round :-D

[TheLegate]

Are you mapped? Do the downpipe too you won't regret it I did it this way for stealth partly cost but mostly to control noise / keep the Mrs happy ... win win all round :-D

 

Mine doesn't have a map, this is the first mod I've done performance wise, think I will save up for a map or if I'm not entirely there then a downpipe like you mentioned. insurance went up £74 when I told them I got the pipes fitted. At first they said we can't insure you anymore because the fella put it down as a custom exhaust manifold then said that's the closest option he had, after a bit of explaining it came to £74. I will try to make some good drive by/sound clips of mine and post them here.

[MikeYoung]

Just got an OEM backbox fitted on mine with gutted resonators and with scorpion 2nd cat bypass pipes, absolutely amazing sound, but when in normal mode you don't you feel too much difference sound wise, only when you turn on S it really sings which is perfect for me.

Gutted resonators, are they the small silencers behind the back box? Did you cut them open to gut them? Yes go for downpipe without a cat...

[Paul]

....  they use just 1 high flow cat, so you still get no worries at mot time.

 

I would double check this.

 

It is no longer the case that you can pass emissions because you have sports cat and are within the test parameters.

 

They also have to check for "A catalytic converter missing where one was fitted as standard"  essentially counting the amount of cats present compared to a factory spec car.

Edited by Paul, 24 September 2014 - 06:20 AM.

[TheLegate]

Gutted resonators, are they the small silencers behind the back box? Did you cut them open to gut them? Yes go for downpipe without a cat...

 

Yes, you have these two cylinders that attach to the back box, they have been cut open, cleared then welded up. The backbox can also be opened up and cleared but that level of noise will be on an extreme level.

[MikeYoung]

I would double check this.

It is no longer the case that you can pass emissions because you have sports cat and are within the test parameters.

They also have to check for "A catalytic converter missing where one was fitted as standard" essentially counting the amount of cats present compared to a factory spec car.

I don't think you will have a problem, how many RS3 do they see, they will see a cat there, the pre cat is invisable any way, so no worries, and it will pass the gas test too.

[SK-RS3]

Any of you guys know wether the TTRS twin oval pipes would fit onto the RS3 without too much hassle ?

[Paul]

MTM do a twin oval exhaust with diffuser.

I wondered if the RSQ3 single trims would fit side by side in original position with some fettling.

[SK-RS3]

MTM do a twin oval exhaust with diffuser.

I wondered if the RSQ3 single trims would fit side by side in original position with some fettling.

[SK-RS3]

MTM one is uber expensive but that's what I'd like the RSQ3 should of been put in middle of the rear 😝

[mrAudi]

Anyone looking for a full milltek exhaust there is one on eBay NOW....for £400 & no it's not mine before someone asks

[Kelza]

It's a res cat back milltek with bypass pipes 👍

Edited by RS3-KEL, 27 September 2014 - 08:51 AM.

[mrAudi]

It's a res cat back milltek with bypass pipes

Fair enough it says full system in the des

[Kelza]

Still a good price 👍😃

Edited by RS3-KEL, 27 September 2014 - 09:29 AM.

[MikeYoung]

Still a good price 👍😃

it's the price they should be new... The profit is mad on exhausts.