Originally Posted by 08AWD335
Just installed stage 1 aggressive. Apparently I had a tune on my car from the previous owner but overwrote it. Install went well, only took about 20 minutes.
Drives ok, have misfires on cyl4 when i really get on it. Otherwise can definitely feel a difference. Gonna baby it tomorrow and change the plugs on Saturday. Hopefully that fixes the misfire.
I would have swapped coils first. Unless your spark plugs were due anyways.