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Dirt Bike Brands - Other
XR 400 performance mods
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[QUOTE="snaggleXR4, post: 232386, member: 24395"] Hey, If you are on a budget: Remove the snorkel on your airbox (under seat). FREE Get a UNI airfiter. ~$20 Remove stock insert baffle, get aftermarket insert. Bajadesigns.com ~$70 Buy new jets for your carb, get a 160 main and 60 pilot, dial in with a combination of your stock 162/62 and the 160/60 jets. ~ $5-$10? (cheap) If you have more money to burn: Do the same as above, but with a whole new pipe, leave the stock pipe intact. FMF, WhiteBros, BigGun, Yoshimura, XR's Only etc. all make decent pipes. I use the XR's Only Competition exhaust, a tunable Supertrapp design, fits great, looks great, sounds great and runs great. ~$230+ You can also go with a Mikuni pumper carb, a flat slide carb with a mechanical accelerator pump. ~$400 You also can go for big bore kits and or high compression pistons, hotter cams etc... Good luck. [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
XR 400 performance mods
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