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Hi all,


Relatively new 987 owner here. Recently picked up a 3.4 S which I'm thoroughly enjoying. However I need to replace the exhaust. It currently has a badly fitted custom system that rubs on one of the lower arms and has started blowing - so it needs replacing.

 

I have a garage local to me who is an independent but works on Porsches. My plan was to get a valved Topgear (I live in a residential area but like noise, so best of both worlds) system and take it to him. I just got off the phone to the garage, in his opinion they are "cheap crap that don't fit well". Bit surprising as I found lots of positive opinions about TG exhausts on youtube etc.

 

So basically, after a second opinion on these systems. Or suggestions to what else might be worth getting. Perhaps Miltek? Open to ideas although I'm not particularly keen on Carnewal (as I don't have an OEM system to exchange) which I know people will suggest.

 

Cheers

Julian

Edited by __ju__
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I have the Milltek Non-resonated cat-back exhaust system

 

 https://www.millteksport.com/catalog/product/view/id/14056/s/non-resonated-cat-back-exhaust-system-ssxpo116/

 

https://www.design911.co.uk/fu/prod144522/Milltek-Sports-Exhaust-Muffler---Cat-Back-Non-resonated--louder--Porsche-987-Gen2-Boxster-S---Cayman-S-2009-2013/

 

It came with my R. If i had a choice i'd go with an official Porsche one retrofitted, but I am very impressed with the sound of it.

 

Here is a clip of the exhaust on an S. i'd say its a bit deeper sounding on my R, but could just be the audio

 

 

 

 

 

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I have recently put a TopGear set of decat manifolds on my car with the stock system. It sounds a little gruff below 2k rpm but sounds epic everywhere else. No boom on motorways and tbh you can barely tell it's different with the windows up as the insulation is so good.

 

Fitment was pretty good, I was very happy with it and wouldn't call it cheap crap.

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11 hours ago, Julian987 said:

I have the Milltek Non-resonated cat-back exhaust system

 

 https://www.millteksport.com/catalog/product/view/id/14056/s/non-resonated-cat-back-exhaust-system-ssxpo116/

 

https://www.design911.co.uk/fu/prod144522/Milltek-Sports-Exhaust-Muffler---Cat-Back-Non-resonated--louder--Porsche-987-Gen2-Boxster-S---Cayman-S-2009-2013/

 

It came with my R. If i had a choice i'd go with an official Porsche one retrofitted, but I am very impressed with the sound of it.

 

Here is a clip of the exhaust on an S. i'd say its a bit deeper sounding on my R, but could just be the audio

 

 

 

 

 

 

This is very useful, thanks. Would you say the non-resonated is obnoxiously loud? Will I piss off my neighbours if I drive considerately around where I live?

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56 minutes ago, yuffyhaggo said:

I have recently put a TopGear set of decat manifolds on my car with the stock system. It sounds a little gruff below 2k rpm but sounds epic everywhere else. No boom on motorways and tbh you can barely tell it's different with the windows up as the insulation is so good.

 

Fitment was pretty good, I was very happy with it and wouldn't call it cheap crap.

Cool, thanks. I was surprised when he said that, as like I said, online opinion of TG stuff seems to be pretty high. Hmmm....

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Top Gear are the parent company of Longlife Exhausts and manufacture all of their non-custom parts.  Not sure I would categorise them as cheap crap by any means... Not ultra or high end, but by no measurement near the bottom half of the barrel.

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11 hours ago, __ju__ said:

 

This is very useful, thanks. Would you say the non-resonated is obnoxiously loud? Will I piss off my neighbours if I drive considerately around where I live?

 

I don't think it is obnoxiously loud at idle, and when I pull away i am not performing a bank job get away so i don't think any neighbours are concerned. 

 

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Anyone with 2.9 PDK Installed the topgear valved cat-back? I’ve come across reports of very bad drone 2-3k, seems to be (more of an ) issue on pdk.

thanks in advance

Edited by MarkH
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I'm running TG 200CEL cats mated to a Remus cat-back, no issues here with quality of product, fitment, and the vastly improved sound. No noticeable drone, extremely pleasing sound throughout the rev range and a lovely 'burble' on the overrun. 

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Definitely need to do something to my stock exhaust. Currently considering the Carnewal but I don't fancy fitting myself, and getting time to go to Belgium proving tricky.

 

I'd like the features of the Carnewal (no drone) but without the faff of getting it sorted.

 

Considering finding a specialist indy to fit it for me, but feels like some of the alternatives are going to be cheaper/easier.. ?

 

Are there other options I should consider?

 

Presume no issues with emissions at MOT

 

(standard 2011 987.2 UK, SE England)

 

Edited by futureechos
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1 hour ago, futureechos said:

Definitely need to do something to my stock exhaust. Currently considering the Carnewal but I don't fancy fitting myself, and getting time to go to Belgium proving tricky.

 

I'd like the features of the Carnewal (no drone) but without the faff of getting it sorted.

 

Considering finding a specialist indy to fit it for me, but feels like some of the alternatives are going to be cheaper/easier.. ?

 

Are there other options I should consider?

 

Presume no issues with emissions at MOT

 

(standard 2011 987.2 UK, SE England)

 

 

I'm still completely at a loss with what to get. I was convinced I was going to go for a Miltek system but then I found threads with some very unhappy Miltek owners complaining about drone and welds breaking / poor fitment.


Right now my shortlist is DesignTek/Top Gear (apparently they are the same system), AWE (sounds great, looks great, £more), Remus, Supersprint. I've spoken to Gert about a Carnewal system but I'm not sure its the right choice for me...

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16 minutes ago, __ju__ said:

 

I'm still completely at a loss with what to get. I was convinced I was going to go for a Miltek system but then I found threads with some very unhappy Miltek owners complaining about drone and welds breaking / poor fitment.


Right now my shortlist is DesignTek/Top Gear (apparently they are the same system), AWE (sounds great, looks great, £more), Remus, Supersprint. I've spoken to Gert about a Carnewal system but I'm not sure its the right choice for me...


Likewise YouTube is helpful but would be good to hear examples in the flesh at cat meets etc..

 

Thanks for the list above I’ll dig into those too.

 

good luck- update us with your progress.

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If you want to avoid drone, increase the noise slightly and really sharpen the note, just change the manifolds.  Leave the exhaust itself well alone.

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As above. Swap the manifolds out for decat bendy ones (they say equal length, but I bet they're not). The howl from the exhaust on WOT is insane, way too loud for how fast the car is. But on normal driving it's not loud at all. Zero drone in the cabin, infact you can barely tell there's a difference when cruising on the motorway.

 

Downside is for the first few weeks at least you'll drive with the windows down and in 2-3 gears lower than appropriate which results in much less mpg.

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Posted (edited)
19 hours ago, Aaron said:

If you want to avoid drone, increase the noise slightly and really sharpen the note, just change the manifolds.  Leave the exhaust itself well alone.

I would do this but unfortunately I have a badly fitted custom system on mine so it needs to be replaced.

 

I got some interesting info from Alex at TG regarding DesignTek / TopGear:

 

Quote

Hi Julian,

 

Its the same exhaust. Make sure your aware Design911's price doesn't include VAT until checkout, people often think they are cheaper due to them illegally displaying price ex. VAT without it being clear.

 

We also lifetime guarantee the exhaust. You'll hear nothing but silence if the valves fail and you've bought from D911.
 

Also, we actually have stock. D911 often have to buy from us as we carry more. So if you do order from them, i'll probably get an order from D911 lol.

Edited by __ju__
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On 26/06/2022 at 08:26, yuffyhaggo said:

As above. Swap the manifolds out for decat bendy ones (they say equal length, but I bet they're not). The howl from the exhaust on WOT is insane, way too loud for how fast the car is. But on normal driving it's not loud at all. Zero drone in the cabin, infact you can barely tell there's a difference when cruising on the motorway.

 

Downside is for the first few weeks at least you'll drive with the windows down and in 2-3 gears lower than appropriate which results in much less mpg.

Interesting.

 

Does having no Cat cause emissions / MOT issues?

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4 hours ago, futureechos said:

Interesting.

 

Does having no Cat cause emissions / MOT issues?

 

It does.  You need to know a guy or swap them back for MOT.

 

I run sports cats and they work fine.

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1 hour ago, Aaron said:

 

It does.  You need to know a guy or swap them back for MOT.

 

I run sports cats and they work fine.

 

Ah - not for me then.. but thanks for the reply.

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