Big Gun · New
Big Gun 08-23 Kawasaki KFX 90 Evo M Series Full System Exhaust
MPN 10-4903 · Store SKU big10-4903
Supplier stock checked 11/7/2026, 8:48:45 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
EVO M series has been a Big Gun staple for over a decade. Though there have been changes and improvements over the years, the goal has always been to produce noticeable performance gains. The deep and throaty tone of this KFX 90 EVO M exhaust system is sure to make even a grown man feel like a kid again. EVO M series is perfect for kids (or adults) looking to get more power and sound out of their mini MX or ATV model.
Manufacturer fitment & guides
Check 10-4903 against the manufacturer’s application information below.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
Part-specific notes
- Not CARB approved. Destination and intended-use restrictions must be checked before sale.
- Emissions acknowledgement required before purchase.