dg pipe

[btyoe]

with the dg rcm steel pipe and header will i need to rejet i have a 400 ex with a 416 kit 11:1 piston and a uni air filter. and are these good pipes or no

[hondafreestyler]

yes you will need to rejet ...

any exhaust or intake mod you have to rejet

[btyoe]

woul dg be able to tell me what jets i need

[4wheelboy]

maby but so will your plug;)

[hondafreestyler]

dg will tell you a SUGGESTED jetting ... but do NOT expect to put the jets in that they tell you and have your bike run right .... thats why its a suggested ... they should be able to get you on the right track however ...

it all depends of your elevation and everything ... but they should be able to help