For your 2013-2015 Honda GROM. Awesome New GP Exhaust from Competition Werkes. This is a full exhaust, not just a slip on. No power commander/Mapping required!!
Hand Crafted from 304 Stainless Steel
Easy to install...
No Dynojet power commander required
Significant weight savings of over the stock exhaust
Tapered baffle for better performance & advanced tuning
Simple to install, greatly improved low/midrange power. Get yours now. Video demonstration of a Competition Werkes exhaust on a 2008 Honda CBR1000RR