Good product and it seals my long Camaro pipes but be warned it will not fix warped flanges. Your mounting flange needs to be a little straight for them to work or you'll still have a leak. I chose to use a metal o-ring on the inside of the manifold on one side as it was slightly warped around the flange and just couldn't sit flat without a full manifold replacement. It's not the pad's fault so I'll still give it 5/5 stars. The screws also appear to be of good quality.
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