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Thunder-Max XMS (Exhaust Matched Series)
PN: 309-368
ThunderMax Exhaust Matched Series ECM Applications:
• 2008 - 2013 Touring® Models (Throttle-by-Wire)

ThunderMaxis an industry award winning, performance ECM designed specifically for EFI equipped Harley Davidson® motorcycles. The ThunderMax Exhaust Matched Series (XMS) was developed for Touring models with basic, "stage-1" upgrades including a hi-flow air cleaner and an exhaust system. The ThunderMax XMS ECM comes 100% assembled and ready to install with pre-loaded matched "tunes" for your exhaust system.


This product is intended for "RACE READY" vehicles only and is not for sale or use on vehicles otherwise subject to emission control requirements. In the state of California, this product should not be used on any vehicle that is registered for use on public roads. Please view the ThunderMax 50 application guide for "STREET APPROVED" & ARB compliant products.

Thunder-Max XMS (Exhaust Matched Series)

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