Teddyhead
Member
Registered: 20th Jul 09
Location: Berkshire
User status: Offline
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Does anyone run a bigbore race stainless steel manifold on there c20xe and did it make much difference to the standard 4-2-1 ???
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red_top_corsa
Member
Registered: 29th Oct 08
Location: ramsgate kent
User status: Offline
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its not stainless but the bigest bore my mates got is an sbd type c mainifold. did help performance but has many other mods to help to.
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Corsa_Sport21
Member
Registered: 13th Apr 08
Location: Leven, Fife. Drives : 205 GTi
User status: Offline
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With supporting mods, it would make a difference. But just changing the manifold, you won't see any proper gains.
Many have said that the standard manifold is good for up to near enough 200bhp.
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Generation
Member
Registered: 7th Jul 09
Location: Essex
User status: Offline
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Changed mine, 2 1/4 bore
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Teddyhead
Member
Registered: 20th Jul 09
Location: Berkshire
User status: Offline
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cheers! yer i have herd there not that effective and they sit soo low to the floor.
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belton
Member
Registered: 23rd Jul 09
Location: Kent
User status: Offline
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If you go about 1/2 inch bigger manifold with an exhaust system the same size it will make a lot of difference even on a standard engine. Both made loads of diffence on my XE and X18XE1. But it would be pointless sticking a huge manifold on a say standard bore exhaust
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leigh 2.0 16v
Member
Registered: 3rd Jan 09
Location: bexley kent da5
User status: Offline
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might be of interest
http://www.corsasport.co.uk/board/viewthread.php?tid=631520&highlight=1&pid=8370125#pid8370125
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