CURTIS SPARKS EXHAUST FOR KFX 450 X6
 
Product Overview
The Curtis Sparks Racing X6 Stainless Steel Exhaust System for the KFX 450 is engineered to deliver substantial power gains across the entire RPM range. Curtis Sparks offers complete systems rather than slip-ons, optimizing performance by addressing limitations in stock head pipes.
 
Features
Complete System Design: Delivers superior power by replacing the entire exhaust system, not limited by stock head pipe sizes.
Two Core Options: X6 Race Core (2” outlet) for versatile performance; X6 Big Core (2.25” outlet) for maximum top-end power on modified engines.
Quality Materials: Made from high-grade stainless steel for durability and heat resistance.
Sound Control: Race Core can use a quiet insert and spark arrestor; Big Core focuses on power and is non-compatible with quiet inserts.
Tested for Excellence: Extensively dyno and track-tested with pro riders to ensure optimal performance.