With the 2000 series, they only coat the outside of it... when I got my back from Jet-Hot, it had tape on the outer sockets and some was on the inters. so I buffed it out with a drill and emery paper... my bolts are not coated... . I am consitering 316 stainless bolts in future..... JB
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99 Black/Agate, Quad,Long bed,4x4, SLT,Auto,HX-40 16cm2 & ATS Exhaust manifold treated to Jet-Hot 2000(Gray),DD stage 3 injectors,4 wire Blue Box,"True" 5 inch Jet-Hot Coated exhaust from turbo to Tailpipe(Over the Axle),Borla Shoot-out Muffler,Suncoast converter, BD valve body and pressure-loc,Mag-Hytec trans pan,Amsoil ATF-4,Mobil Super Delvac 1300,fuel line up-grade from lift pump to filter and from filter to injection pump,Auto meter Ultra lite gauges:Boost,EGT,Fuel Pressure,Trans Temp, Valentine 1, EZ-pass