Description
Yoshimura RS-4 Full Exhaust System for CRF450RL - 224500D320
MUST HAVE FOR THE CRF450RL
Benefits for the Yoshimura RS-4 system include:
- Big power gains with both full system
- Massive weight reduction with full system
- A USFS spark arrester is included
Fitment
2019-2026 CRF450L/RL
2019-2026 CRF450X
Weight Savings: Weighs 8 lbs total, shedding 8 lbs off the stock exhaust system (which weighs 16 lbs; muffler alone is ~7 lbs vs. stock 13 lbs).
Materials & Design:
- Stainless steel full-system layout (header and mid-pipe).
- Tapered header pipe with a "tucked-in" design to protect against trail impacts.
- Heavy-duty 18-gauge header spec for superior rock and off-road durability.
- Aluminum muffler sleeve with a carbon-fiber cone end cap.
- Pentagonal-shaped muffler sleeve incorporating a polyresonant duplex chamber and a two-stage stepped baffle to manage sound levels
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This full exhaust is perfect on the map setting with the vortex ecu and opens this bike up
