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Race-bred titanium construction meets uncompromising durability. The Factory 4.1 RCT Exhaust System delivers peak horsepower and torque across the YZ450F powerband with a lightweight design that shaves rotational mass without sacrificing strength.
Forged titanium tubing resists heat degradation and corrosion. Anodized blue finish pairs aggressive looks with long-term color retention. Carbon fiber end cap adds premium aesthetics and functional weight savings at the rear of the system.
Precision-mandrel bent tubing optimizes exhaust scavenging for cleaner mid-range response and top-end pull. Direct bolt-on fitment—no modifications required. Dyno-tested for measurable gains on stock and modified motors.
Backed by Factory engineering. Built for riders who demand both speed and reliability.
FMF Factory 4.1 RCT Titanium Exhaust for Yamaha YZ450F - Anodized Blue/Carbon End Cap
$1,374.99
Sale price
$1,374.99
Regular price
Forged titanium tubing resists heat degradation and corrosion. Anodized blue finish pairs aggressive looks with long-term color retention. Carbon fiber end cap adds premium aesthetics and functional weight savings at the rear of the system.
Precision-mandrel bent tubing optimizes exhaust scavenging for cleaner mid-range response and top-end pull. Direct bolt-on fitment—no modifications required. Dyno-tested for measurable gains on stock and modified motors.
Backed by Factory engineering. Built for riders who demand both speed and reliability.
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