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displaying posts 1 to 11 of 11
| Author | Subject: magnex bhp limits |
 JWP EFi
Turbo Legend!  Location: edinburgh Registered: 07 Mar 2010 Posts: 2,163 Status: Offline |
Post #1
Hello guys,how much power is the magnex system (gti6 cat back) good for? planning T3 turbo conversion on 8v turbo block / gti6 head hybrid engine, looking to gain 270 plus obviously the 2 inch 'feeder' to the centre box will be cut off and enlarged or replace centre box entirlely. any thoughts... cheers |
 Posted 12th Nov 2011 at 23:20
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bigbadbowen
Seasoned Pro  Location: Winchester Registered: 21 Nov 2003 Posts: 13,753 Status: Offline |
Post #2
Get a proper exhaust from someone like maniflow and stop messing about  |
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Posted 12th Nov 2011 at 23:43
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JWP EFi
Turbo Legend! Location: edinburgh Registered: 07 Mar 2010 Posts: 2,163 Status: Offline |
Post #3
bigbadbowen wrote: Get a proper exhaust from someone like maniflow and stop messing about I was waiting for that one lol! always worth asking, have heard that some of the 'charged 6's were using the magnex |
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Posted 12th Nov 2011 at 23:53
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bigbadbowen
Seasoned Pro Location: Winchester Registered: 21 Nov 2003 Posts: 13,753 Status: Offline |
Post #4
You will need a proper exhaust of at least 2.5 inch bore from turbo back so best get someone who knows what they are doing to build one for you |
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Posted 13th Nov 2011 at 00:00
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JWP EFi
Turbo Legend! Location: edinburgh Registered: 07 Mar 2010 Posts: 2,163 Status: Offline |
Post #5
i thought magnex' systems were 2.5''??measured outside diameter, 67 mm, taking wall thickness into account gives approx 63 mm or 2.5'', no? |
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Posted 13th Nov 2011 at 00:09
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bigbadbowen
Seasoned Pro Location: Winchester Registered: 21 Nov 2003 Posts: 13,753 Status: Offline |
Post #6
Could be I guess ? Seeing as you have gone to a lot of trouble with engine don't feck it up with a bodge exhaust |
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Posted 13th Nov 2011 at 00:12
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JWP EFi
Turbo Legend! Location: edinburgh Registered: 07 Mar 2010 Posts: 2,163 Status: Offline |
Post #7
ok, point taken, custom system it is.anyone looking for a vgc maggy system, 18 months old so i can recoup some money towards a proper setup??! |
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Posted 13th Nov 2011 at 00:22
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eddiebeano
Senior User  Location: Edinburgh Registered: 31 Dec 2008 Posts: 715 Status: Offline |
Post #8
How much for the magnex?________________________________________ team: Stealth |
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Posted 13th Nov 2011 at 00:28
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JWP EFi
Turbo Legend! Location: edinburgh Registered: 07 Mar 2010 Posts: 2,163 Status: Offline |
Post #9
offers...cost me £340, obviously not looking for that though, will put in for sale section once i find a way to put pics up, not too clever with computers lol |
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Posted 13th Nov 2011 at 00:34
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allanallen
Seasoned Pro  Location: Buxton Registered: 01 May 2007 Posts: 1,399 Status: Offline |
Post #10
As long as you make a decent downpipe(maybe 3" if it will fit) and get rid of the 2" piece at the front,your magnex will be fine for 270 bhp. Much bigger at that power level will only make it louder.Once you get to 300bhp you may want to consider having a bigger system made up. ________________________________________ www.bridgecraftmotorsport.co.uk |
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Posted 13th Nov 2011 at 09:55
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adam b
Seasoned Pro  Location: The Nam Registered: 24 Jan 2006 Posts: 12,828 Status: Offline |
Post #11
3" downpipe with 100cell cat into a 2.5" system is fine on 350bhp volvos...________________________________________ Nothing to see here |
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Posted 13th Nov 2011 at 23:40
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