Compliant with AMA/FIM standards, it improves engine power while reducing noise emissions, ideal for demanding competition riders.

Its compact, sturdy design, which complies with AMA/FIM standards, improves weight centralization and facilitates adjustment thanks to the RTS system.

Factory 4.1 RCT incorporates patented RCT technology to reduce noise while maximizing power. Its MegaBomb design improves exhaust flow at all engine speeds

Factory 4.1 RCT exhaust system incorporates RCT technology to reduce noise without sacrificing power

Factory 4.1 RCT exhaust system incorporates RCT technology to reduce noise without sacrificing power

Its compact, sturdy design, which complies with AMA/FIM standards, improves weight centralization and facilitates adjustment thanks to the RTS system.

Its compact, sturdy design, which complies with AMA/FIM standards, improves weight centralization and facilitates adjustment thanks to the RTS system.

Compatible with GAS GAS, HUSQVARNA and KTM motorcycles, it guarantees sharper engine response, increased durability and weight savings ideal for demanding riders.

Compatible with Kawasaki motocross bikes, it guarantees sharper engine response, increased durability and weight savings ideal for demanding riders.

Compatible with Kawasaki motocross bikes, it guarantees sharper engine response, increased durability and weight savings ideal for demanding riders.

Compatible with Kawasaki motocross bikes, it guarantees sharper engine response, increased durability and weight savings ideal for demanding riders.

Designed in aerospace materials with a compact architecture and an innovative RTS system, it offers significant weight reduction and mass centralization ideal for competition.