sheeraz552 Posted August 14, 2009 Share Posted August 14, 2009 Seen a stainless steel manifold with a 2' collector.Is it worth upgrading to this, or better off with a 2.25?(Have a decat currently that is 2') Link to comment Share on other sites More sharing options...
Moe Posted August 14, 2009 Share Posted August 14, 2009 integra b18's see good gains from the 2.5" manifold. if your going to get a manifold upgrade you might aswell get one with a bigger collector, reason being is that if you do modify your car more with cams etc then you wont need another manifold to make use of those mods Link to comment Share on other sites More sharing options...
civicturbo79 Posted August 14, 2009 Share Posted August 14, 2009 I would always go for the bigger collector as stated by others if you do more mods later to will not have to change the exhaust. Rich. Link to comment Share on other sites More sharing options...
sheeraz552 Posted August 15, 2009 Author Share Posted August 15, 2009 How would i make the 2.25 collector fit the decat though? Link to comment Share on other sites More sharing options...
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