Exhaust System Flange for KTM 450/500 & Husqvarna 2008-2026 - 78136139100

This genuine OEM exhaust system flange is a critical component designed to secure the exhaust header to the cylinder head. It provides a stable mounting point that ensures a tight seal, preventing exhaust leaks and maintaining optimal engine backpressure for peak performance.

This part fits an extensive range of models including KTM 400, 450, 500, and 530 EXC, EXC-F, SX-F, XC-F, and XC-W from 2008 to 2026. It is also compatible with Husqvarna FC 450, FE 450/501, FS 450, and FX 450 (2014-2026), as well as GasGas EC 450F/500F, MC 450F, and EX 450F models from 2021-2026.

Manufactured to factory specifications, this flange is built to withstand the extreme temperatures and vibrations common in high-performance off-road and motocross racing. Its durable construction helps prevent warping and ensures long-term reliability under demanding riding conditions.

When installing this flange, we recommend inspecting the exhaust gasket and mounting bolts for any signs of wear or damage. Ensuring a clean mating surface and using the correct torque settings will help prevent future leaks and maintain your engine's efficiency.

Check compatibility list below to see if this part fits your motorcycle model.