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DanR100
Original Poster
87 posts
10 months
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Guys looking to decat the T350, is a remap required? where is best to get the De-cats from? whats it like with the sports exhaust?
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RedSpike66
1,965 posts
81 months
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ACT do de-cat pipes at the best price probably. Proper cone shaped stainless steel pipes. You don't need a re-map, some have it done, most don't. The type of noise will be much much better, and louder, and with sports exhaust, will be very much louder 
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NCC
373 posts
153 months
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I'm afraid that I have nothing useful to add to this thread, other than to say that having followed a de-catted T350 with a JP back box many times, it still makes me laugh out loud every time I hear it! So much so that I can't resist any longer and de-cats are going on the Tamora on Wednesday. De-cats + JP = big stunning sound 
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S6 TNT
26 posts
54 months
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Also have to agree and say definitely worth doing, I got mine done about three years ago on the Tamora and absolutely love it!!! Mine are also ACT De-cat pipes with a sports exhaust and brings a smile to my face but dont expect to be inconspicuous
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LeeT350c
539 posts
50 months
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NCC said: I'm afraid that I have nothing useful to add to this thread, other than to say that having followed a de-catted T350 with a JP back box many times, it still makes me laugh out loud every time I hear it! So much so that I can't resist any longer and de-cats are going on the Tamora on Wednesday. De-cats + JP = big stunning sound I have said de-cats from ACT and the JP back box on my T350. Makes me laugh out loud every time I boot it!! I have some clips on youtube under the same username LeeT350c! Cheers. Lee. p.s. also good to reduce the cabin temperature!!!
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SPS
722 posts
129 months
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Yep - I have de-cats and a JP sports box - oh yeaaaaaaaaah!!
Do it man.
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TVR Tommy
488 posts
94 months
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Sorry to hijack, but if anyone has a pair of decats sitting on a shelf they no longer want or can't be arse'd to fit any longer. I would be interested in purchasing a pair.
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Fudgenudger
77 posts
36 months
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Not trying to hijack but I'm also looking at decatting, my car already has a sports exhaust but I don't know who it's made by as there are no markings on it. Basically it's a stainless steel cat back system with two cherry bomb style centre boxes going into two smallish rear boxes with standard sized looking tail pipes. It is fairly loud but no way near loud enough for my liking, could anyone possibly shed some light on the subject please?
I did have a 4.5 Cerb with a full ACT defatted system and that sounded awesome.
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blackiepaul
1,641 posts
63 months
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When I had the S6 in my decats were made by Edward Quick the factory exhaust designer. He still makes them I believe based in Blackpool. 
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black11s
209 posts
109 months
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Another T350 owner looking / wanting to de-cat.
I have the RG sports exhaust which already makes the car loud.
If I decat, is it going to make it unbearably loud?
I live in London and use the car everyday, as well as long journeys on the motorway.
The concern is that if its too loud I'll just be stopped by the police every time I go past 4,000 rpm.
Finally, what is the MOT situation once this has been done?
Thanks
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SPS
722 posts
129 months
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black11s said: Another T350 owner looking / wanting to de-cat.
I have the RG sports exhaust which already makes the car loud.
If I decat, is it going to make it unbearably loud?
I live in London and use the car everyday, as well as long journeys on the motorway.
The concern is that if its too loud I'll just be stopped by the police every time I go past 4,000 rpm.
Finally, what is the MOT situation once this has been done?
Thanks If you are using every day it's probably not going to be a good idea. MOT's well that's a whole different story...........
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aubrey9160
380 posts
51 months
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If you have any plans to track your cars with decats and sports pipes then you may struggle with noise tests.
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clive f
6,694 posts
102 months
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aubrey9160 said: If you have any plans to track your cars with decats and sports pipes then you may struggle with noise tests. mine was 91db at cadwell  but it involved 2 very nice home made endcans
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Jamieboy101
89 posts
12 months
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blackiepaul said: When I had the S6 in my decats were made by Edward Quick the factory exhaust designer. He still makes them I believe based in Blackpool. Can I be really rude and ask you how much they were to get made? (even if you want to PM me) Thinking on doing the same to my Tamora, seen a few second-hand come up periodically on eBay, but nothing for a while. Just so I know what ball park to be looking in, I have a custom exhaust specialist not too far from me, never used him but have heard that he is quite expensive. cheers Jamie
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Zippee
9,451 posts
103 months
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Fudgenudger said: Not trying to hijack but I'm also looking at decatting, my car already has a sports exhaust but I don't know who it's made by as there are no markings on it. Basically it's a stainless steel cat back system with two cherry bomb style centre boxes going into two smallish rear boxes with standard sized looking tail pipes. It is fairly loud but no way near loud enough for my liking, could anyone possibly shed some light on the subject please?
I did have a 4.5 Cerb with a full ACT defatted system and that sounded awesome. 2 separate rear boxes would likely be the TVR Power exhaust. As for de-cats, I have the JP box and ACT De-cats and the noise is awesome!! Not something I could live with for an everyday car but a weekend toy, as mine is, and it puts a huge grin on your face 
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aubrey9160
380 posts
51 months
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clive f said: mine was 91db at cadwell but it involved 2 very nice home made endcansMine was 105 with decats and sports pipes but I managed to get an original pipe altered by clive and now its 96db and a lot better sounding
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slimtater
511 posts
39 months
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LeeT350c said: p.s. also good to reduce the cabin temperature!!! Do they make much of a difference? I could do with some time spent on getting mine a bit cooler but don't know whether a new thermostat, a heater bypass or this would make the most difference. The glove box gets very cold!
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Zippee
9,451 posts
103 months
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slimtater said: Do they make much of a difference? I could do with some time spent on getting mine a bit cooler but don't know whether a new thermostat, a heater bypass or this would make the most difference. The glove box gets very cold! Purely in my experience - no.
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DanR100
Original Poster
87 posts
10 months
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Zipee sounds great would love to have a listen to that set up!
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ShiDevil
1,195 posts
43 months
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