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Discussion Starter #1
Ok. I want a HMF competition slip on. I do not have enough money to get a header. but if i do get one i want a FMF PowerBomb. What jets do i need and will it fit.
 

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just use the stock one, aftermarket headers give no performance advantage. which is why hmf doesnt make one. if you get the comp, youll most likely need a 150 main and a 45 pilot
 

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If all you adding is the HFM slip on, just drop the carb needle clip one position. Thats HFMs recommendation on their website. If you've opened the air flow, then rejet 150-155 main and 25 pilot.
 

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KB and TQS sells full HMF systems on their website. On a different forum, BlkBlzr101 has an HMF slip-on and a PowerBomb header. So, it is possible. I acually like riding w/o nerfs better. But if you ride on a MX track, you need them.
 

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Discussion Starter #8
I am turning 15 and i want something for my raptor cause its all stalk so. i think i might get an k&n air filter. then with my money from friends and family get a hmf pipe. what do you think? or should i get something else instead..
 

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Master of the Electron
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IF you really want to improve power, save to get a full exhaust with headers, then remove the air box lid and add a K&N filter... up your jets and pilot jet, and you will have some great additional power. Mods to the airbox really open up the flow and the full exhaust takes advantage of this.
 

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IF you really want to improve power, save to get a full exhaust with headers, then remove the air box lid and add a K&N filter... up your jets and pilot jet, and you will have some great additional power. Mods to the airbox really open up the flow and the full exhaust takes advantage of this.
no dont get a full exhaust, waste of money on the 350's. forget a k&n, they suck for dirt applications. only get a filter if you get the clamp on kit.
 

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The 350 header isn't bad stock. If it were a 450 then get a header. I know in the 450 world the powerbomb doesn't give any extra HP. But 350 might be different.
 
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