After battling with 3 different cat back systems, and 3 different front Y pipes on my mostly stock 1990 corvette coupe, I have learned that the C4 corvettes can and often do have a exhaust resonance (droan) problem. After researching the matter and doing a lot of switching, installing, and reinstalling system after system I […]

Step 1 1. Remove the upper stabilizer bolt and the lower stabilizer nut. Remove stabilizer bar from mount and swing down. Tools required: 18mm socket, 15mm wrench Step 2 2. Remove the muffler support brackets. Tools required: 13mm socket with extension Step 3 3. Remove the 4 bolts that attach the left and right muffler […]

Please note: I installed a C5 rolled exhaust plate from Xtreme Motorsports. I am confident that this tech tip will work for others as well, but check measurments first to be sure. Sorry there are no pics, my sister borrowed my digital camera. One other tip: Don\’t say to yourself \”this would be a great […]