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Well I told myself atleast 100 times I wasn't going to get a new header Well as you can see by the title and these pictures I don't listen to myself very well.
Great mod. Alta V2.0 Header. One of the only performance mods on my GP. Sounds GREAT! Really brings the JCW exhaust to life. How a performance car should sound. It definitely added some power. No dyno numbers yet but from alta's research I think its 10hp in the upper band. Feels like more! Definitely reccomended.
Last edited by jaridp; Jun 20, 2007 at 07:32 PM.
Reason: added pics
Great mod. Alta V2.0 Header. One of the only performance mods on my GP. Sounds GREAT! Really brings the JCW exhaust to life. How a performance car should sound. It definitely added some power. No dyno numbers yet but from alta's research I think its 10hp in the upper band. Feels like more! Definitely reccomended.
Yes there is. On the Alta thread they said with a few mods they got 210 WHP, and they said they have a dyno for it, check it out.
Cool, whats it sound like? Maybe you can show me how you did it?
I love the way it sounds. Its alittle louder when you are just putting around town, But when you Jump on it you can sure as heck tell its there. I'm not sure what i'm putting out HP and TQ wise but I can tell the difference.
Sure it was a lot of fun I would be more than happy to help you If you decide to do it.
If you're up and feel like it come by the shop tomorrow morning (6:30) before we leave for AUTOX