KTM | Husqvarna | GasGas Performance Exhaust Flange

Feel the difference the moment you touch the throttle. This isn’t just a bolt-on part — it’s the missing link between your hand and horsepower. The stock exhaust flange on your 250/350 is oversized and creates a lazy, disconnected feel off the bottom. It's rough transition saps energy right out of the port, dulling throttle response when you need it most. The XPR Response Flange changes everything. CNC precision-crafted by the same team behind XPR’s race-winning engines, this flange tightens the transition zone, reduces dead volume by 15%, and sharpens the pressure wave for instant throttle delivery. What does that mean for you? The bike feels more alive and exciting off the bottom. The throttle feels directly connected to the rear tire. The engine revs quicker and responds faster in every gear. Every crack of the throttle delivers an instant burst of torque. This flange does work with the stock exhaust, FMF and Akrapovic systems.