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Originally Posted by Tornado
I think with a set of Tri-Y headers and twin 2.5" exhaust and maybe a CAI, the bottom end torque will really pick up. The top end gains are what I was expecting as the factory headers are a 4-1 header which work better up top.
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Talking to Chris tonight about my tune he recommends the Pacemaker Tri-Ys with the 1 5/8" primaries. He thinks the 1 1/2" primaries on the Hurricanes and Advance Headers will be a restriction. We'll have a play when I'm getting the custom tune to see if we comfirm his suspicions.
I am still on a mission for torque, which Chris is in favour of, so lets see how it all pans out. You never know, I might be in the market for Pacemaker Tri-Y's, PH 4001 I believe. They are about $575 on Ebay.
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Blue Power Racing Developments
Great work and not a bad bloke ;)
AUIII XR8 Pursuit 250
241 RWKW with Advance Headers, Twin 2.5" Exhaust, G&D CAI, Walbro Pump, Crow Cam, Custom Tune