Tecnigas now offer a cost-effective scooter tuning exhaust system with the Q-Tre range. This Tecnigas exhaust is suitable for standard and modified 50cc engines. The silencer is sleek-looking and black anodized. A special highlight in this price range is the road legal status of the system from the E-certification. The restrictor is found in the manifold and is easily removed thus providing increased power. All in all, a good quality performance exhaust system. Complete one piece exhaust system including exhaust gasket.