ARROW Racing STREET THUDER exhaust silencer for moto DERBI GPR 125cc 4T from 2010 (without coupling)

An excellent exhaust for DERBI GPR 125cc 4T 2010, 2010, 2012, 2013, 2014, 2015, 2016 ... This line is delivered complete, you can configure it by selecting the options before purchase (be careful, some options are very expensive).

 

 

You can select catalyzed or not, the uncatalyzed version is not approved, but having no catalyst, it is also more powerful and lighter! Then you can choose between several silencers! Made of aluminum, black aluminum, titanium, with stainless steel or carbon end pieces! These last options are mostly questions of taste and look!

 

 

Anyway, this line offers considerable weight gain, racing noise, and top performance! In addition, it is fully tuned to a big kit and will breathe the engines even the most prepared! The line comes with a DB KILLER, which can be removed for better performance and noise racing!

 

 

Power gain announced: 0.70HP at 9500 rpm
Gain of torque: 0.69nm of torque at 7700rpm
Weight: gain of 4,63kg according to model (weight of the origin 7,1kg)

 

Which is a very good gain on the original power of 10.6hp and the 8.83nm torque of the original DERBI GPR 125 4T, on a scale that represents 7cv for 100hp and 7nm for 100nm! It must be taken into account that the gain is larger on a machine prepared with a kit because the original exhaust flange a lot.