This down pipe fits S400/S410 turbos with marmon style exhaust flanges. This down pipe reduces the 5" outlet to a 4" pipe for easy fabrication into your existing exhaust system. EGT bung...
Rubber intake reducer collar, slides into an existing rubber elbow to reduce the size down to the correct connection. Commonly used on CAT engines to reduce the air cleaner piping to the 5.5"...