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View Full Version : Procircuit T-4 Exhaust and jetting



RazBarlow
10-19-2007, 04:57 AM
I will be adding a uni filter and a t-4 exhaust to my son's 03' 250ex . I live in central Iowa , just mentioning so you guys have an altitude estimate.
Where should I start for jetting ?
Also, the T-4 exhaust said it is tunable, how is it tuneable for quiet operation ?
Thanks,
Raz

TRXRIDER4567
10-19-2007, 12:27 PM
read the faq