high-grade titanium muffler outer sleeve and end cap is combined with a stainless-steel link pipe and headers. It is a complete exhaust system for the Yamaha R9 that follows the look of the Akrapovič exhaust systems for the Yamaha R6, R7, and R1, with a design similar to the Akrapovič exhausts used in the World Supersport Championship.

The muffler exits on right side of the bike for a racing look, and it is supplied with an aluminium muffler bracket. Developed for closed-course competition circuits only, this system has no catalytic converter or pre-muffler, and so ECU remapping is mandatory.

Please notice that two different noise inserts are offered with the product.

THIS PRODUCT DOES NOT MEET EMISSION COMPLIANCE REQUIREMENTS FOR STREET OR HIGHWAY USE.

VIEW THE DATA

  Unit Stock Akrapovič Max gain
Max. power kW 82.2 / 10000 rpm 85.4 / 10000 rpm + 3.4 / 9500 rpm
  HP (m) 111.8 / 10000 rpm 116.2 / 10000 rpm + 4.6 / 9500 rpm
  HP (i) 110.2 / 10000 rpm 114.6 / 10000 rpm + 4.5 / 9500 rpm
Max. torque Nm 88 / 8500 rpm 90.2 / 8000 rpm + 3.2 / 5000 rpm
  lb-ft 64.9 / 8500 rpm 66.5 / 8000 rpm + 2.4 / 5000 rpm
Weight kg 7 5.16 - 1.8
  lb 15.4 11.4 - 4
  %     - 26.3
Volume dB 95.5 / 5000 rpm 103.2 / 6500 rpm 7.7
Volume without noise insert dB 95.5 / 5000 rpm 105.1 / 6500 rpm 9.6
Inst. time min   60