GT SPEC Gen II
22 January 2009, 09:20 AM
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GT SPEC Gen II
Thinking of changing my headers, was advised by my mapper to go for Gt Spec Gen II. Has anyone ever fitted these after using harveys ported headers and up pipe? ( only changed the headers and then remapped) was interested what the power differences were. Just been looking at flat4online website £399 delivered, who else supplies these?
22 January 2009, 09:30 AM
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when i posted about headers general rule of thumb was about 20bhp /35ft lb torque gain after map from standard, harvey himself sells gt specs wrapped or un wrapped
wouldnt buy from flat4, you will never get them haha
wouldnt buy from flat4, you will never get them haha
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22 January 2009, 08:21 PM
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I've got some gt spec two headers and i'm really happy, wrapped them myself, as long as you have a extra pair of hands and paitience and wet the wrap to stretch it you'll be ok. alternatley get them ceramic coated but i think its about £300 for that.
got them from flat 4, good price but took 7 weeks to come!!!!!
got them from flat 4, good price but took 7 weeks to come!!!!!
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