I've installed Banks Stinger Pluses on both my rigs,have all the power I need, all their products are smog legal, even in CA.
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95' 25004X4,AT,Driftwood,Banks Stinger,Warn fender flairs and running boards(work truck)
95 3500,5 speed 3:54,BD E-brake,Driftwood,Banks&Psycotty,34,000 GCVW apple and tractor hauler(works harder truck)