Post #1
what do people think of high flow cats?have got a de-cat at the minute but am loosing power so am thinking of getting a highflow cat fitted.
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"if in doubt flat out"Breaking 206 gti
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displaying posts 1 to 16 of 16
| Author | Subject: high flow cats |
 pug-gti-6
Regular  Location: welshpool Registered: 21 Apr 2008 Posts: 254 Status: Offline |
have got a de-cat at the minute but am loosing power so am thinking of getting a highflow cat fitted. Breaking 206 gti |
 Posted 9th Jun 2008 at 23:36
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pug-gti-6
Regular Location: welshpool Registered: 21 Apr 2008 Posts: 254 Status: Offline |
Post #2
any 1 got any idea if high flow cats are any good?________________________________________ "if in doubt flat out"Breaking 206 gti |
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Posted 15th Jun 2008 at 00:17
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pedro_de_la_cruz
Seasoned Pro  Location: London Registered: 14 Mar 2007 Posts: 2,555 Status: Offline |
Post #3
losing power from fitting a decat...thats a first i think, which brand? maybe its fitted wrong, is it blowing anywhere?if not then its probably something else bringing the power down, whats the induction side of things like? when were spark plugs changed/oil/filters etc ________________________________________ *R.I.P Pete Sims* |
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Posted 15th Jun 2008 at 00:22
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m.bov6
Newbie  Location: windsor Registered: 14 Jun 2008 Posts: 3 Status: Offline |
Post #4
how come you are losing power from your de-cat?________________________________________ M.Bovingdon |
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Posted 15th Jun 2008 at 00:22
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pug-gti-6
Regular Location: welshpool Registered: 21 Apr 2008 Posts: 254 Status: Offline |
Post #5
i had a powerflow exhaust fitted and as my cat was f*cked i got them to cut it out and weld a pipe in its place. just really wanted to no if high flow cats gave any gains________________________________________ "if in doubt flat out"Breaking 206 gti |
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Posted 18th Jun 2008 at 04:45
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chas
Seasoned Pro  Location: Warwickshire Registered: 31 Oct 2007 Posts: 1,468 Status: Offline |
Post #6
m.bov6 wrote: how come you are losing power from your de-cat? He may be referring to his mid-range punch, which is what normally decreases a small amount once a decat has been fitted. ________________________________________ Ex Owner of 2000 Phase 3 306 GTi 6 China Blue - You shall be missed1974 Triumph Stag 1989 Peugeot 205 GTi 1.6 2003 Alfa Romeo 147 JTD Lusso 2005 Mondeo Ghia X 3.0 Estate LPG |
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Posted 18th Jun 2008 at 15:00
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tabbbster
Seasoned Pro  Location: Turriff Registered: 04 Nov 2005 Posts: 3,826 Status: Offline |
Post #7
It feels ok with my Blueflame decat.  There is a stronger pull when you keep it on the cam. As for the induction side I am running a 76mm intake but the base of the K&N style cone 170mm and top of the filter 120mm, all housed inside a carbon airbox being feed with a 100mm cold air feed pipe. ________________________________________ My Rallye was built on thursday 7th January 1999 according to the cosmic code generator.My Cyclone refurb |
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Posted 19th Jun 2008 at 05:02
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rain man
Regular  Location: Manchester Registered: 29 Apr 2008 Posts: 290 Status: Offline |
Post #8
where did you buy your induction kit from tabbster? looks v nicecheers ________________________________________ For Powder Coating services either PM me or email wheels@ashtonpowdercoating.co.ukWe are based in Manchester and can powder coat anything from Wheels, Inlet manifolds, Sub Frames and much more. Visit www.AshtonPowderCoating.co.uk |
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Posted 29th Jun 2008 at 17:21
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dazathon
Senior User  Location: Plymouth Registered: 15 Jan 2006 Posts: 969 Status: Offline |
Post #9
rain man wrote: where did you buy your induction kit from tabbster? looks v nice cheers He made it himself. Theres a post on here somewhere.  ________________________________________ Team Rare As Rocking Horse Sh*t |
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Posted 4th Jul 2008 at 07:13
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antn1.b
Seasoned Pro  Location: chichester Registered: 31 Mar 2007 Posts: 1,413 Status: Offline |
Post #10
high flow cats may give gains over standard but wont flow as well as a straight tube (de-cat) just a legal way to get the flow up a bit. |
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Posted 4th Jul 2008 at 07:59
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aknight
Regular  Location: Stilton Registered: 12 Dec 2002 Posts: 348 Status: Offline |
Post #11
I've seen good gains with my setup.Devil De-cat with a 200 cell motorsport cat (for a nissan 200sx) poped in and a Jetex stainless system with K&N 571 at the front. Gives the odd pop and crackle and made 179hp on the rolling road, up from 171hp.________________________________________ Team 330mm.Team Rallye. |
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Posted 4th Jul 2008 at 09:20
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ozpug
Regular  Location: Strathfield, Sydney Registered: 08 Jul 2006 Posts: 216 Status: Offline |
Post #12
pug-gti-6 wrote: any 1 got any idea if high flow cats are any good? I've just had one fitted this week and will send some picks over the weekend. Compared to standard it was very noticeable straight away....but makes a shed load of noise until it "beds itself in". ________________________________________ Owned my Gti-6 from new, Astor Grey Phase 3..nuts!Audi A3 2.0TDi Sportsback (The Monster!) |
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Posted 4th Jul 2008 at 20:04
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benn25
Regular  Location: In the woods Registered: 14 Jan 2009 Posts: 303 Status: Offline |
Post #13
Thought I would reopen this thread to see if anybody knew any decent makes for an average price. Don't want to go too silly. Seen some on ebay but not sure. Hoffmann do some which Ive seen. Anyone fitted one of these? Edit: Ive searched now and found what im looking for.  |
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Posted 21st Apr 2011 at 16:03
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mattyrallye
Seasoned Pro  Location: gillingham Registered: 02 Nov 2007 Posts: 1,202 Status: Offline |
Post #14
tabbbster wrote: It feels ok with my Blueflame decat. There is a stronger pull when you keep it on the cam. As for the induction side I am running a 76mm intake but the base of the K&N style cone 170mm and top of the filter 120mm, all housed inside a carbon airbox being feed with a 100mm cold air feed pipe.Erghh look at those tatty hoseclips. Get some real Jubilee 304 clips on there!!!  ________________________________________ Previous china gti6 and Rallye owner.Now a proud Astor Gti 6 owner. Missing he BMW already... |
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Posted 28th Apr 2011 at 15:58
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aaron6
Seasoned Pro  Location: On the sofa in maidstone Registered: 16 May 2006 Posts: 5,840 Status: Offline |
Post #15
Matt.......  ________________________________________ See the sheer power and might of the lesser known burrowing owl. |
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Posted 2nd Jun 2011 at 04:42
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vipergti
Junior User  Location: WARRINGTON Registered: 10 Apr 2011 Posts: 69 Status: Offline |
Post #16
Not had my 6 long and was totally standard but first on the agender was breathing and didnt want to go the de-cat rout 1 cos MOT issues, just had a longlife full system and sports cat and although its fookin loud at the mo its more responsive and got that bit extra grunt so happy as larry even though cost £800  ________________________________________ Proud Member Of Team Astor |
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Posted 15th Jun 2011 at 20:51
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