Factory Fatty 021051 KTM-500 XCF-W-2020 increased horsepower and rugged durability

increased horsepower and rugged durability all at a price that won't break the bank

We now offer a replacement aluminum inlet sleeve for most models

Direct logo embroidery with front/ back logo

This design results in a finely tuned bolt on performance silencer that maximizes bottom and mid rpm power

Factory Fatty 021051 KTM-500 XCF-W-2020 increased horsepower and rugged durabilityThe Factory Fatty is reminiscent of the works or cone pipe once used by Factory Teams. It shares many of the same characteristics with its craftsmanship and material quality. The Factory Fatty broadens and smoothes out the power curve while boosting gains throughout the entire power band, more low end, more mid, and increased over rev. No matter what type of riding you do, the Fatty has the benefits youre looking for. Lighter 20 gauge steel used for