Performance Mods

sledhead800

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I like to do sum mods with my 2010 m8 but can't seem to find any thing or do they make any mods for the new 800 H.O motor yet, Already got a can,big mouth air intake,vforce reeds, i would like to do abet more than that...thanks for your help guys.
 

mur190

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speedwerx makes a y pipe for it,,,, like 3-4hp... probley work pretty good with your intake...
 

sledhead800

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speedwerx makes a y pipe for it,,,, like 3-4hp... probley work pretty good with your intake...

thanks man just put some reeds in it too but i got a big bog around 4700 to 5000 do u think the reeds would make it fat down low so do anyone make a fuel box for it yet thanks for your help.
 

mur190

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shouldnt need a fuel box... it has a knock sensor... power valves opening good? did the gaskets seal? what kinda reeds?
 

sledhead800

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shouldnt need a fuel box... it has a knock sensor... power valves opening good? did the gaskets seal? what kinda reeds?

what does the power valves feel like when they dont open and how do u check them if they don't open,yes the gasket is seal very good, vforce 3 reeds,but if the power valves are not opening would it have a bog on top the sled seem good on top with lots of power pulling 8250 rpm and don't slow down makeing a pull, but when i pull one hill it came up code 21 knock sensor would this come up because its loading up with to much fuel.
 
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