ARROW RACING exhaust for APRILIA RS4 125cc 4-stroke from 2011 catalysed or not at choice

Here is the ARROW RACING muffler for 125cc APRILIA RS4 4-stroke 125cc motorcycles from 2011 to today.

Available in non-catalyzed (not homologated on public road) or catalyzed (homologated on public road) . It will allow you a very good power gain 1.34 hp and especially more torque. The bench test was done without touching the injection and ignition so a more powerful gain can be achieved through a remap.

Its body is in fine rolled-up tail, this exhaust will offer an excellent resonance and a melodious noise Couple, light body, noise ... its design and finish are excellent! Comes complete, this pot is aesthetically very racing! This pot is issued with certificates, however if a modification is made to obtain more performance, the approval is no longer valid.

Designed specifically to be assembled on :

-APRILIA RS4 125cc from 2011 to today (Type TW var 0 ver 00 - i)