I installed one in the wife's 95 B4U a couple of months back and it's been running fine. It's a little early to say how it'll hold up, but so far so good.
1968 Camaro -my first car.
1995 Purple Pearl B4U Caprice
1995 Black/White 9C1 Caprice--NADACOP
1995 Purple Pearl L99 Caprice
2012 Alto Gray Metallic 9C1 Caprice--The HoDag-Solo axle back exhaust, improved racing OTR CAI intake.