Cannibal exhaust

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250rrider911 · #1 Post by **250rrider911** » Tue Oct 07, 2008 6:04 am

How much h.p will I gain with hmf and 450 kit and a g.p control unit.

cannondale27 · #2 Post by **cannondale27** » Tue Oct 07, 2008 11:27 am

Probably 3hp when compared to a stock pipe

MyCannibal · #3 Post by **MyCannibal** » Tue Oct 07, 2008 3:58 pm

that GP control unit will give you at least an extra 5 HP right?

250rrider911 · #4 Post by **250rrider911** » Wed Oct 08, 2008 4:58 am

ok thank so tha would be about 7 h.p my computer wont download the maps on here. and but say it did how would i program the g .p unit

cannondale27 · #5 Post by **cannondale27** » Wed Oct 08, 2008 2:14 pm

GP control will not give anymore power unless your not tuned right to begin with. So 3hp is a good estimate.

MyCannibal · #6 Post by **MyCannibal** » Wed Oct 08, 2008 4:29 pm

I was just joking about the GP Control giving more horsepower...sorry.

250rrider911 · #7 Post by **250rrider911** » Wed Oct 08, 2008 6:17 pm

so ill only gain 3 hp. what about the 450 kit ill i gain any.

wistech · #8 Post by **wistech** » Wed Oct 08, 2008 7:44 pm

QUOTE (250rrider911 @ Oct 8 2008, 01:17 PM) <{POST_SNAPBACK}>

so ill only gain 3 hp. what about the 450 kit ill i gain any.

1 hp for the 450 kit. The best hp per dollar will always be performance porting on Dales. $500 for a real port job gaining 10hp is way better than a $500 piston kit that will only gain 1-2 hp . And cannondales have several stock exhausts and the stock FMF ti being better than the hmf .

250rrider911 · #9 Post by **250rrider911** » Thu Oct 09, 2008 1:54 am

why does porting gain alot more there all ready freaking huge. and int valve on a 400 ex is as big as and exhaust on a cannibale.ok well if i do port and 450 i will still ony gain one hp.

2mike18 · #10 Post by **2mike18** » Thu Oct 09, 2008 2:02 am

porting allows more air and fuel to enter the combustion chamber thus more power. best bang for the buck is porting. you can add all the displacement you want but if you cant feed enough fuel and air to it you wont make good power.