It must depend on wich griffin you get because a friend of mine has the big 2 core griffen and its definatly epoxied.Remember the epoxy is only on the core to jug bond.Every where else it will be welded reguardless.I know for a fact that BeCool's are welded and preform well.
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91GT Flowmaster 2 chambers,off road H pipe,mac equalength headers,F303 cam,high lift valve springs ,svo 1.6 roller rockers,16*timing,410's,BBK cold air kit,hurst shifter, Pullys,World class T5 MSD 6al box. Ran 13.5@101 with stock headers and air box.
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