I'm prepping up my exhaust piping by taping up the pieces coming off of the manifold with volcanic heat wrap, coating metal with rust inhibitor and high temp coatings.
Four new O2 sensors mounted with extensions. MIL Eliminators if needed (I'm sure not needed).
~ So, any of you have great success with THUNDERBOLT CATALYTIC CONVERTERS
? Read alot of great things about them, They are 11.5" long and will fit within the down-pipes feeding the ProChamber.