I live in flat land Florida and I average 17.9 daily drive. Highway, I barley can kiss 22 at 75 and that is if i baby the throttle. I can fudge the numbers by resetting the MPG calculator and coasting from 75, was getting 99 MPG for about 10 seconds....
I did mine. Let me put it mildly, I have never cussed so much in my life. That rear window was a PITA to get right. I still have a scratch in the tint in the lower passenger corner from my putty knife and basically said it will do and left it. Next time, I would pay a professional to do it.
AWE Touring Catback was my choice, great sound when you get on it, no drone at all. All stainless steel construction with an H Pipe. Less exotic sounding and more old school hotrod.
Cant comment on long tubes or cat deletes. First installed the AWE Touring, it was louder than expected on the highway, but it never droned. After 6 months, the system toned down a bit in volume, or I am going deaf! When you get on it, it does wakes the dead! Cold starts are still loud, but...
Reading up on the new Kia Stinger GT. So far the performance numbers are pretty impressive for a sedan. I really like that it comes in AWD. Too new of a model for me to make any formal opinion on it. Just wondering what you guys are thinking.