GPR Exhaust System Honda Crosstourer 1200 2011/16 e3 Homologated slip-on exhaust Furore Nero Derbi - Mulhacén 659 2005/11 (2005-2011) we recommend having the AFR

we recommend having the AFR (air-fuel ratio) of the engine checked by a dyno center and adjust if necessary

huge gains

GPR Exhaust System Ducati Monster 620 2003/06 Pair Homologated slip-on exhaust Furore Nero

GPR Exhaust System Ducati Multistrada 950 2017/20 e4 Homologated slip-on exhaust M3 Inox

This is a must have piece of kit for racers

GPR Exhaust System Honda Crosstourer 1200 2011/16 e3 Homologated slip-on exhaust Furore Nero Derbi - Mulhacén 659 2005/11 (2005-2011) we recommend having the AFRGPR Exhaust System Honda Crosstourer 1200 2011 16 e3 Homologated slip on exhaust Furore Nero Homologated slip on exhaust For installation, no structural modifications to the motorcycle are required for use of the product in an approved version. It is recommended to read the instructions in the package or the tutorials visible on www. gpr. it and on youtube. For on line purchases it is necessary to activate the warranty by sending the special coupon