stahl

Hi Folks, I need to weld some 02 sensor bungs onto my Stahl headers. I'm thinking that cylinder #1 and #4 should do it. I only plan to run a single sensor but it will be nice to have the second during tuning. Would you be willing to check clearance against the inner fender and firewall and let...

Hi All; I purchased these a few weeks ago thinking they were 1 1/2" diameter primary tube diameter for my 3.5L high compression motor. They are 1 3/8" primary tube diameter which is better for a 2800 or 3.0CS engine, especially compared to the stock exhaust manifolds. I'm installing the...