This exhaust system features durable 304 Stainless Steel, TIG-welded construction and billet aluminium. Uniquely track tested to improve hit, delivery and pulling power with substantial performance gains over the stock system.
* Features Stainless Steel header, mid pipe and aluminium muffler
* Lightweight Magnesium end cap; riveted on for increased durability
* Welded construction for reduced weight
* Stepped perforated core to reduce heat
* Removable bolts at inlet cap for easy repacking
Note: For closed-course competition only.
Fits:
- 2014 – 2017 YZ450F
- 2016 YZ450FX