Here's a previous test we used a QA1 REV Series carbon-fiber against a steel driveshaft in our '73 Challenger Rallye (The Slick Challenger). The results speak for themselves. For folks with modern ...

Here's a previous test we used a QA1 REV Series carbon-fiber against a steel driveshaft in our '73 Challenger Rallye (The Slick Challenger). The results speak for themselves. For folks with modern ...