Genesis Coupe BK1 2009-2012
Okay so I just recently put an Arashi 18g on my 2010 genesis coupe 2.0, along with a Mac boost control solenoid, have k&n airfilter, after all this is installed boost climbs well but it spikes, quickly. In the Video I’m in 4th gear doing a pull. And you can see it jumps from 4 to 9 then 15, then...