Honda Grom/MSX125 upgraded larger fuel line
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Direct replacement for the OEM straw like fuel line. 5mm line delivers much more fuel to your fuel injector and help with cooling. Decrease injector duty cycles if using piggybacks or unlocked ECMs. Best choice if doing BBKs and comes standard on all FinBro engines. Found to increase power when added on the 186 4v BBK by .8HP