Has anyone removed their driveshafts and weighed them? I picked up 2/10ths on my 14 GT by changing over to Carbon Fiber D.S. It was a difference of only 20# but it was rotational weight. 60 foot time improved by 1/10th. MPG also increased. So therefore I am wondering if a C.F. D.S. is worth it.

My stock Goodyears are in need of replacement (around 32k) and I'm looking for a better replacement. I've narrowed it down to either the Sumitomo HTR A/S P03 in 245/40/19 or Yokohama YK 740 GTX in 235/40/19. There's about a $30.00 per tire difference with the Yokos coming in at $190.00 and...

I have been in contact with Dave at MRT and after some discussions with him I wanted to ask the forum members what they like/dislike about the MRT exhaust system and see if there is any suggestions comments tips improvements .

About to hit 100k. Issues since its birth: 1) The power drain issue, fixed a few years ago (Warranty) 2) Gear selector not locking properly, possibly draining battery. Replaced battery and selector. (Extended warranty) 3) Backup camera replaced, all fuzzy. (Extended warranty) on 3rd...

I'm tossing around the idea of buying the HP Tuners system. I'm not looking change anything. But I am always very interested in any kind of technology, and I would much rather have visibility into everything inside my car, than not.