Competition Style T4/24v Competition manifold with straight T4 flange Login to your Dealer account for pricing. SKU: COMPT424V Category: Cummins Competition Header Related products Competition Style T6/12v w/Waste GateLogin to your Dealer account for pricing. Competition Style T6/12vLogin to your Dealer account for pricing. Competition Style T4/12V with Waste GateLogin to your Dealer account for pricing. Competition Style T4/12V w/Twin Waste GateLogin to your Dealer account for pricing.