SPARK GTR0503 Triumph Street Triple 765 (20/22) Titanium 3/4 Exhaust System "GRID-O" (approved; polished box)Semi full exhaust system for Triumph Street Triple 765 by SPARK. Spark is a certified company specialized in the production of high performance exhaust systems for cars and motorbikes since more than 40 years, historic supplier of prestigious companies such as AMG, Lamborghini, Porsche and many other. Spark challenge was developing a EURO5 homologated exhaust in order to allow regular use on public roads and, at the same time, to increase the