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displaying posts 1 to 6 of 6
| Author | Subject: 2.25" exhaust BHP limit. |
 matty_rallye
Senior User  Location: Devizes Registered: 28 Oct 2005 Posts: 966 Status: Offline |
Post #1
Having changed the exhaust manifold on the rallye i will need to get the map changed again. Before i do this i want to know if anyone is aware of whether a 2.25" exhaust on n/a engine becomes restrictive once your are at around 230bhp? If so i will have to change to a 2.5" system but dont really want to do this if the 2.25" system isnt going to be restrictive?________________________________________ 2.1 16v 306 Rallye. |
 Posted 13th Aug 2011 at 15:11
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matty_rallye
Senior User Location: Devizes Registered: 28 Oct 2005 Posts: 966 Status: Offline |
Post #2
Bump, anyone?________________________________________ 2.1 16v 306 Rallye. |
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Posted 14th Aug 2011 at 17:21
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bigbadbowen
Seasoned Pro  Location: Winchester Registered: 21 Nov 2003 Posts: 13,753 Status: Offline |
Post #3
Deff need 2.5 inch bud I was running exactly that when on tbs and my race engine |
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Posted 14th Aug 2011 at 17:24
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welshpug!
Capt Pedantic  Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,839 Status: Offline |
Post #4
ask whoever made your manifold or built your engone?________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 14th Aug 2011 at 17:52
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allanallen
Seasoned Pro  Location: Buxton Registered: 01 May 2007 Posts: 1,399 Status: Offline |
Post #5
As long as you have a 2.5" downpipe and it's a decent system (straight through silencers,mandrel bends) I'd say it'll be fine.________________________________________ www.bridgecraftmotorsport.co.uk |
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Posted 14th Aug 2011 at 18:04
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matty_rallye
Senior User Location: Devizes Registered: 28 Oct 2005 Posts: 966 Status: Offline |
Post #6
welshpug! wrote: ask whoever made your manifold or built your engone? Picked up the 3 piece maniflow on the cheap second hand as there was a crack in one of the welds. Sandy built the engine so may have to get in contact with him, thought id ask here 1st though to see if anyone had an idea. ________________________________________ 2.1 16v 306 Rallye. |
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Posted 14th Aug 2011 at 23:16
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