Description

Make intake manifold swaps and supercharger installs easier with these heater core firewall AN adapter fittings from Fathouse Performance. These fittings work on all 2015-2023 S550 Mustang GTs, GT350s, and GT500s and turn your factory heater hose firewall connections into 10AN fittings to accommodate your custom build. These fittings are super durable compared to the factory plastic pieces, ensuring a life of leak-free performance. Fathouse offers these fittings in pairs or singles (PN: FP-HCAN-P).Product Benefits:Converts your firewall heater core fittings to 10AN fittingsMakes intake manifold and supercharger installs easierOffers durability over factory plastic fittingsAvailable in singles or pairsNote: Reuses OEM clips, O-rings, and bushings from factory lines