the standard ek9 exhaust is a very good exhaust system
put on a vti it dones inprove performance
the standard ek9 exhaust is a very good exhaust system
put on a vti it does improve performance
iv got a ek9 exhaust on my ek4 vti and yes i did get some gains. mid range torque feels lots better. it is a good bit of pipe work people are just put of because it is standard and dont make a noise. you will prob find its one of the best exhausts for the ek9