Post #26
Sorry to resurect the thread.. I've just had a Powerflow custom system put on my 6, 2.25" diameter pipe with a decat pipe, centre box and back box and feel like the cars lost low down and midrange torque but I also feel like the noise is very raspy between 2.5 and 5k, is the noise normal? And what do people recommend: Sports cats or a normal cat? Any advice/help is welcomed and much appreciated. Thanks!
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| Author | Subject: De Cat or Not De Cat That Is The Question |
 Chris GTI6
Newbie  Location: Newcastle Registered: 06 Jan 2016 Posts: 40 Status: Offline |
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 Posted 27th May 2017 at 02:23
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mocinim
Seasoned Pro  Location: The Darkside of bedford :) Registered: 09 Jan 2015 Posts: 2,307 Status: Offline |
Post #27
Oem cat if your going to fit a cat !!________________________________________ BLACK RALLYE - phoenixWHITE RALLYE - valliant http://public.servicebox.peugeot.com/ https://www.gov.uk/check-mot-history |
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Posted 27th May 2017 at 08:37
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Chris GTI6
Newbie Location: Newcastle Registered: 06 Jan 2016 Posts: 40 Status: Offline |
Post #28
Where's the best place to get an OEM cat? I don't wanna get any cheap rubbish! |
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Posted 27th May 2017 at 11:52
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welshpug!
Capt Pedantic  Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,838 Status: Offline |
Post #29
wanted section.________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 27th May 2017 at 11:54
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gnrlee
Forum Admin Location: Leeds Registered: 20 Aug 2005 Posts: 8,882 Status: Offline |
Post #30
Facebook 306 gti groups are a good shout too! ________________________________________ Proud Member of the ASTOR Owners Club |
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Posted 27th May 2017 at 12:52
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3rd time lucky
Seasoned Pro  Location: maidstone Registered: 23 Apr 2007 Posts: 1,879 Status: Offline |
Post #31
What you have lost in torque, you will have gained in bhp. So it depends on what you want...________________________________________ DIABLO GTI-6 - Legend - NILE GTI-6 - SoldCHERRY GTI-6 P1 SUPERCHARGED - Broken up BLACK RALLYE - Sold 205 Dturbo xud9 work horse - Dead CHERRY RALLYE - new toy |
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Posted 27th May 2017 at 19:58
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mocinim
Seasoned Pro Location: The Darkside of bedford :) Registered: 09 Jan 2015 Posts: 2,307 Status: Offline |
Post #32
Ask mechanical repairs he had a few last time i asked him ________________________________________ BLACK RALLYE - phoenixWHITE RALLYE - valliant http://public.servicebox.peugeot.com/ https://www.gov.uk/check-mot-history |
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Posted 27th May 2017 at 21:58
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Chris GTI6
Newbie Location: Newcastle Registered: 06 Jan 2016 Posts: 40 Status: Offline |
Post #33
I use it as a daily driver too though so I liked this low down midrange talk, does feel quicker up top though! Thanks for the advice too lads! |
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Posted 27th May 2017 at 23:30
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veka_gti-6
Newbie Location: Ostrava Registered: 26 Dec 2010 Posts: 25 Status: Offline |
Post #34
What about sport cat with higher flow than standard but meeting Euro 2 emission limit? |
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Posted 1st Jun 2017 at 19:53
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RetroPug
Seasoned Pro  Location: Leicestershire Registered: 15 Jan 2013 Posts: 2,473 Status: Offline |
Post #35
The genuine, standard catalytic convertor is actually really good. There are plenty of not so great aftermarket replacements though.________________________________________ 61k miles Ph.1 Diablo '6 Project Thread |
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Posted 1st Jun 2017 at 20:46
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stan_306gti6
Forum Admin Location: Kent Registered: 18 Jan 2004 Posts: 21,768 Status: Offline |
Post #36
3rd time lucky wrote: What you have lost in torque, you will have gained in bhp. So it depends on what you want... Exactly that.  ________________________________________ "Supercharged - 454.1bhp/317.5lb/ft"Peugeot 306 GTi-6 2000 (X), Moonstone  |
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Posted 1st Jun 2017 at 21:21
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veka_gti-6
Newbie Location: Ostrava Registered: 26 Dec 2010 Posts: 25 Status: Offline |
Post #37
RetroPug wrote: The genuine, standard catalytic convertor is actually really good. There are plenty of not so great aftermarket replacements though. If it was reaction to my question, I'm thinking about variant OEM cat with quite high price compare to aftermarket or some good sport cat with simmilar price like OEM but with better airflow, like on rallye cars which have to meet some level of Euro spec. I'm not sure if i can meet Euro 2 with De-cat and I might use more higher torque with sport cat than with de-cat. |
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Posted 2nd Jun 2017 at 11:50
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fast_eddie
Regular Location: bradford Registered: 21 Jan 2012 Posts: 285 Status: Offline |
Post #38
Lots of chat at the moment about cars failing mots due to missing cats and more roadside inspections to catch out drivers without them.Guessing this is only going to get worse and worse but hard to police with limited resources. The validity of insurance after an accident when a cat is missing is still a very valid point though. |
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Posted 23rd Jul 2017 at 22:58
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3rd time lucky
Seasoned Pro Location: maidstone Registered: 23 Apr 2007 Posts: 1,879 Status: Offline |
Post #39
fast_eddie wrote: The validity of insurance after an accident when a cat is missing is still a very valid point though. I was involved in an accident with a neighbor and their insurance company assessed my cars damage as the had to pay. They didn't even notice the GTI body kit, lowered suspension or rude boy exhaust so I'd be surprised if they would notice a decat. ________________________________________ DIABLO GTI-6 - Legend - NILE GTI-6 - SoldCHERRY GTI-6 P1 SUPERCHARGED - Broken up BLACK RALLYE - Sold 205 Dturbo xud9 work horse - Dead CHERRY RALLYE - new toy |
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Posted 23rd Jul 2017 at 23:48
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welshpug!
Capt Pedantic Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,838 Status: Offline |
Post #40
they can and do check, whether it bothers them is another matter, I saw a year old tesla at a recovery yard last week with a wheel missing, much of the offside front wing both airbags deployed.had bald rear tyres so they're not paying out. ________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 24th Jul 2017 at 11:52
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mik
Seasoned Pro  Location: Kent Registered: 17 Feb 2011 Posts: 2,100 Status: Offline |
Post #41
3rd time lucky wrote: fast_eddie wrote: The validity of insurance after an accident when a cat is missing is still a very valid point though. I was involved in an accident with a neighbor and their insurance company assessed my cars damage as the had to pay. They didn't even notice the GTI body kit, lowered suspension or rude boy exhaust so I'd be surprised if they would notice a decat. The good old "they'll never notice" chestnut. You are taking a massive risk in fact. If they do check, and do find out, then you are uninsured. If you shunted a Lamborghini in the rear and had to pay for a new rear bumper, matching the pearl effect paint, having the paint half the car to get it to blend in etc out of your own pocket, the sums could be eye-watering. Perhaps you could finance it by selling your sister/house/share portfolio or whatever, but you'll wish you never had the stupid decat. Insurers always look for ways not to pay out. Why hand them one on a plate? ________________________________________ Cherry Rallye SOLD |
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Posted 24th Jul 2017 at 15:12
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3rd time lucky
Seasoned Pro Location: maidstone Registered: 23 Apr 2007 Posts: 1,879 Status: Offline |
Post #42
Certainly not "you'll never notice". More like "changing my bumpers won't change the way I drive so why would it affect my insurance". Young and naive I guess. If you look hard enough, I'm sure you could find a hell of a lot of cars that 'technically' have no insurance.________________________________________ DIABLO GTI-6 - Legend - NILE GTI-6 - SoldCHERRY GTI-6 P1 SUPERCHARGED - Broken up BLACK RALLYE - Sold 205 Dturbo xud9 work horse - Dead CHERRY RALLYE - new toy |
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Posted 24th Jul 2017 at 15:47
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fast_eddie
Regular Location: bradford Registered: 21 Jan 2012 Posts: 285 Status: Offline |
Post #43
Kind of what I thought peeps thanks.As I'm nearing 50, the thought of gaining a few bhp and a bit of noise over having my car properly insured is not even worth thinking about  |
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Posted 24th Jul 2017 at 23:43
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orta
Senior User  Location: East Mids Registered: 02 Sep 2006 Posts: 860 Status: Offline |
Post #44
Never in a million year will a copper pull you over and go "yeah can I have a look to see if your cat is missing please" to say otherwise is scare mongering. ________________________________________ CLUB BLACK RALLYE||B8s||60-70mm drop||Black Partner Steels||P1 VTS Rack||Refurbed Beam||Hybrid ARB||VTS Torsion Bar|| |
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Posted 12th Aug 2017 at 23:37
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3rd time lucky
Seasoned Pro Location: maidstone Registered: 23 Apr 2007 Posts: 1,879 Status: Offline |
Post #45
orta wrote: Never in a million year will a copper pull you over and go "yeah can I have a look to see if your cat is missing please" to say otherwise is scare mongering. I've been pulled plenty of times. Never had a problem. Even if they did see it, they would prob just give a rectification notice. ________________________________________ DIABLO GTI-6 - Legend - NILE GTI-6 - SoldCHERRY GTI-6 P1 SUPERCHARGED - Broken up BLACK RALLYE - Sold 205 Dturbo xud9 work horse - Dead CHERRY RALLYE - new toy |
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Posted 13th Aug 2017 at 01:53
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barrym
Senior User  Location: Westcliff-on-sea Registered: 26 Jun 2014 Posts: 502 Status: Offline |
Post #46
It depends a lot on where you live. A friend of mine got pulled a few weeks ago and got the whole treatment. Police went over his car and actually called out DVSA. Police checked that every one of his mods to his EVO was on his insurance and DVSA did a roadside emmissions test.All was good apart from his missing cat which was a fixed penalty and re-test at an MOT station. It can happen but the likely hood is low unless you join a motorway going twice as fast as the police car you pull in front of lol ________________________________________ China D Turbo HDi daily chargerBlack Rallye occassional toy |
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Posted 13th Aug 2017 at 16:35
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mik
Seasoned Pro Location: Kent Registered: 17 Feb 2011 Posts: 2,100 Status: Offline |
Post #47
3rd time lucky wrote: orta wrote: Never in a million year will a copper pull you over and go "yeah can I have a look to see if your cat is missing please" to say otherwise is scare mongering. I've been pulled plenty of times. Never had a problem. Even if they did see it, they would prob just give a rectification notice. Scaremongering my ***e. For those of you whose frontal cortex is not yet fully developed, it is an insurance assessor post-accident you have a lot more to fear than a bored copper who doesn't like your chavvy Lexus-style rear lights as you blow past him at 90. The insurance assessor inspecting your car for road-worthiness post-accident probably will not bother to check. But if he does you have given the insurance company an excuse to invalidate your insurance cover on the grounds the car failed one or more criteria for a MOT. If that happens to you (and I'll concede it is unlikely but in turn you cannot deny it is possible), then good luck with that. ________________________________________ Cherry Rallye SOLD |
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Posted 13th Aug 2017 at 20:54
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3rd time lucky
Seasoned Pro Location: maidstone Registered: 23 Apr 2007 Posts: 1,879 Status: Offline |
Post #48
True. Still the likeliness is soo slim. I had a post accident assessor (from the other guys insurance as they were paying out) inspect my car for damage after an accident. It had different bumpers, spot lights, lowered, sport exhaust plus loads more. He didn't question any of it. He actually commented as to how nice the car was  ________________________________________ DIABLO GTI-6 - Legend - NILE GTI-6 - SoldCHERRY GTI-6 P1 SUPERCHARGED - Broken up BLACK RALLYE - Sold 205 Dturbo xud9 work horse - Dead CHERRY RALLYE - new toy |
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Posted 13th Aug 2017 at 17:37
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3rd time lucky
Seasoned Pro Location: maidstone Registered: 23 Apr 2007 Posts: 1,879 Status: Offline |
Post #49
Also, just for the record, you must be aware that an MOT is only to show the vehicle is up to standard at the time of the test, no more. I see cars daily that have mot failures. I can't think that insurers won't pay out if someone has a headlight beam out of line or ball joint gone....________________________________________ DIABLO GTI-6 - Legend - NILE GTI-6 - SoldCHERRY GTI-6 P1 SUPERCHARGED - Broken up BLACK RALLYE - Sold 205 Dturbo xud9 work horse - Dead CHERRY RALLYE - new toy |
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Posted 13th Aug 2017 at 17:42
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welshpug!
Capt Pedantic Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,838 Status: Offline |
Post #50
maybe not an item as you mention, but say a bald tyre or similar, they certainly will baulk at that.________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 13th Aug 2017 at 18:20
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