Quick view KTM 150 SX 2019-2021 EXHAUST PIPE & ALLOY MUFFLER SYSTEM HGS HGS COMPLETE EXHAUST SYSTEM KTM 150 SX 2019-2021 HGS Exhaust & Muffler sytems are renowned for making the best hand made exhaust systems, that provide more power throughout the middle & upper rev range. HGS EXHAUSTS are... $829.50 Add to Cart Compare