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stewhp
Spa-Francorchamps


Joined: 28 Sep 2016
Posts: 264
Location: Essex


PostPosted: Sat Oct 13, 2018 9:42 am    Post subject: C4S. +. Top Gear Exhaust - video now added Reply with quote

Just had 200 cell crossover cats and the valved sports exhaust fitted, all by Top Gear. Had the work done at my local Powerflow dealer in Ipswich.

Over the moon with the result.

Valves closed = slightly quieter than PSE
Valves open = God of thunder mode.

Not driven it too much as I need to fit new connector pipes so that the tips line up correctly but so far it’s very addictive. Quiet mode has no drone even at 70 mph and noisy mode is just mad.

Thanks Top Gear lovin the change and certainly a fantastic alternative to paying 3k for the porsche system.

Edit - Video Link added hope it works

https://youtu.be/LuMio5IUUYE


Very Happy Very Happy Very Happy
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Current car: 996 Carrera 4S, Carrara white
Previous cars:964 Carrera 4, 964 Carrera2
964 Turbo 3.6


Last edited by stewhp on Fri Oct 26, 2018 7:12 pm; edited 1 time in total
 
  
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Phil 997
Brands Hatch
Brands Hatch


Joined: 05 Dec 2015
Posts: 14544
Location: Bournemouth,Dorset

2009 Porsche 997 Carrera 4S

PostPosted: Sat Oct 13, 2018 2:18 pm    Post subject: Reply with quote

Grin Grin Stew we need a sound byte Grin Grin Thumb
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stewhp
Spa-Francorchamps


Joined: 28 Sep 2016
Posts: 264
Location: Essex


PostPosted: Sat Oct 13, 2018 4:07 pm    Post subject: Reply with quote

I know Phil but no time as going off on a course until the end of week and I want to do some fly-by videos when I get the tips finished.

Will post up a vid when I get it done.
Very Happy
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Phil 997
Brands Hatch
Brands Hatch


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Location: Bournemouth,Dorset

2009 Porsche 997 Carrera 4S

PostPosted: Sat Oct 13, 2018 4:08 pm    Post subject: Reply with quote

Grin Grin look forward to seeing the vid mate Thumb
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FRZ 911
Imola


Joined: 19 Jun 2015
Posts: 864
Location: Northern Ireland

2007 Porsche 997 Carrera 4S

PostPosted: Sat Oct 13, 2018 4:58 pm    Post subject: Reply with quote

I know what you mean about God of thunder mode - wife reckons she can hear me approaching the house 5 miles away! Very Happy Still, it gives the milkman plenty of notice I suppose. Grin

Must get a recording of mine done as well.
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asterix_the_gaul
Suzuka


Joined: 20 Dec 2008
Posts: 1127
Location: Cheshire

1999 Porsche 996 Carrera 2

PostPosted: Sat Oct 13, 2018 5:47 pm    Post subject: Reply with quote

So you had PSE before?

So With the 200cells straight cats(?) and TGvalves closed its a bit quieter than standard setup PSE on/valves open?
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stewhp
Spa-Francorchamps


Joined: 28 Sep 2016
Posts: 264
Location: Essex


PostPosted: Sat Oct 13, 2018 6:31 pm    Post subject: Reply with quote

Yeah with the TG valves closed it does sound slightly quieter than my old PSE with the valves open but there’s not much in it. The sound is also very similar with a nice deep burble.
The only disappointment is no pops and bangs yet with the valves open but that may have to wait until I get it remapped.


FRZ 911
I demonstrated it to MRS last night and her first comment after she had recovered from the fright was “OMFG that’s effin scary”
Grin Grin
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FRZ 911
Imola


Joined: 19 Jun 2015
Posts: 864
Location: Northern Ireland

2007 Porsche 997 Carrera 4S

PostPosted: Sat Oct 13, 2018 6:51 pm    Post subject: Reply with quote

stewhp wrote:
FRZ 911
I demonstrated it to MRS last night and her first comment after she had recovered from the fright was “OMFG that’s effin scary”
Grin Grin


Floor
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Phil 997
Brands Hatch
Brands Hatch


Joined: 05 Dec 2015
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Location: Bournemouth,Dorset

2009 Porsche 997 Carrera 4S

PostPosted: Sun Oct 14, 2018 9:53 am    Post subject: Reply with quote

FRZ 911 wrote:
stewhp wrote:
FRZ 911
I demonstrated it to MRS last night and her first comment after she had recovered from the fright was “OMFG that’s effin scary”
Grin Grin


Floor


Floor Floor Floor
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stewhp
Spa-Francorchamps


Joined: 28 Sep 2016
Posts: 264
Location: Essex


PostPosted: Fri Oct 26, 2018 7:16 pm    Post subject: Reply with quote

https://youtu.be/LuMio5IUUYE

No drive by footage yet but this will give a taster of what it sounds like valves open and closed.

Decided to update the tailpipes too as one of the OEM ones was completely shot.

Very Happy Very Happy
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toddy2
Spa-Francorchamps


Joined: 11 Jan 2015
Posts: 274
Location: Dorset


PostPosted: Fri Oct 26, 2018 7:56 pm    Post subject: Reply with quote

Thanks for sharing, I'm hoping to get mine done next week. I'll be keeping my oval tips.

I'd love to hear a driveby Very Happy
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Phil 997
Brands Hatch
Brands Hatch


Joined: 05 Dec 2015
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Location: Bournemouth,Dorset

2009 Porsche 997 Carrera 4S

PostPosted: Fri Oct 26, 2018 8:21 pm    Post subject: Reply with quote

Bloody lovely Stew Thumb great note Thumb
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Robertb
Long Beach


Joined: 01 Sep 2003
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Location: South Oxfordshire

2002 Porsche 996 Carrera 4S

PostPosted: Mon Oct 29, 2018 1:22 pm    Post subject: Reply with quote

Sounds great... neighbours are going to love it!
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stewhp
Spa-Francorchamps


Joined: 28 Sep 2016
Posts: 264
Location: Essex


PostPosted: Thu Nov 01, 2018 11:22 am    Post subject: Reply with quote

Phil 997 wrote:
Bloody lovely Stew Thumb great note Thumb


Cheers Phil
Im really pleased with the end result. Been out doing my best to frighten pedestrians and cyclists Floor Floor

Robert,
The neighbours have been annoying us for years so it’s payback time.
As the saying goes “revenge is a dish best served cold” or in this case cold and loud. Grin Grin Grin
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Wh1t3Kn1ght
Trainee


Joined: 22 Aug 2018
Posts: 65



PostPosted: Sun Nov 11, 2018 11:51 am    Post subject: Reply with quote

Sounds awesome - I'm still making my mind up over getting the mild sport boxes or the valved ones so I can have the best of both worlds Very Happy

I also need to fix the cat to manifold clamps.

If you don't mind me asking how much did Powerflow charge for fitting? I know there is one not too far from me so could be an option that saves me from much cursing when trying the job myself.
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stewhp
Spa-Francorchamps


Joined: 28 Sep 2016
Posts: 264
Location: Essex


PostPosted: Sun Nov 11, 2018 1:11 pm    Post subject: Reply with quote

Wh1t3Kn1ght wrote:
Sounds awesome - I'm still making my mind up over getting the mild sport boxes or the valved ones so I can have the best of both worlds Very Happy

I also need to fix the cat to manifold clamps.

If you don't mind me asking how much did Powerflow charge for fitting? I know there is one not too far from me so could be an option that saves me from much cursing when trying the job myself.


Hi there,

The price all depends on how easily your old exhaust comes off.
I bought a complete fixing kit with new bolts etc and I also had all new Lambda sensors to install.
This saved having to bother with any of the old fixings which were really rusty and they were just cut off to save time. The new Lambda sensors also saved having to worry about damaging any plus the old ones were 16 years old and I’ve noticed that fuel consumption has improved since they were fitted.

I was quoted £200 -£300 for fitting and ended up at the upper estimate when all said and done with the time taken to pipe in the remote solenoid for the valves. I already had PSE but not the switch but plan on a retrofit next year. The remote fob works really well though. Having quiet and loud modes is really good for when you are on a long run and just cruising and then hooligan mode as and when especially in tunnels.
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toddy2
Spa-Francorchamps


Joined: 11 Jan 2015
Posts: 274
Location: Dorset


PostPosted: Sun Nov 11, 2018 1:50 pm    Post subject: Reply with quote

I just picked mine up from Topgear yesterday, had the full system including 200's. When I started it up oh my god what a great noise, hoffing it round town it sounds great. Very pleased I went for the valvetronic so I turn it down when wanting to subtle, also on the motorway run.

Well worth the investment, this forum has been invaluable for me as I may have had made a mistake and gone down the Dansk route.
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stewhp
Spa-Francorchamps


Joined: 28 Sep 2016
Posts: 264
Location: Essex


PostPosted: Mon Nov 12, 2018 12:51 pm    Post subject: Reply with quote

toddy2 wrote:
I just picked mine up from Topgear yesterday, had the full system including 200's. When I started it up oh my god what a great noise, hoffing it round town it sounds great. Very pleased I went for the valvetronic so I turn it down when wanting to subtle, also on the motorway run.

Well worth the investment, this forum has been invaluable for me as I may have had made a mistake and gone down the Dansk route.


Thumb Thumb

Yeah the sound is very addictive Very Happy
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