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If you own a Suzuki LTR 450 and haven't yet accessed the secondary fuel map you're missing out! Installing a more free-flowing exhaust, popping off the airbox lid, and install a CPU bypass module like the Juice Boost or Cherry Bomb can unleash another 500rpm and up to seven horsepower at the wheels. The unit is cheap at only $39.95!

Attached is some more information from Two Brothers..