Vibrant 4 Ply Reinforced Silicone Straight Hose Coupling - 3.5in I.D. x 12in long (BLACK) 2018-ford-flex-esi1078537 Each system is built from

Each system is built from premium T-304 austenitic stainless steel

In place of the 180 Technology® resonator in the rear lies Track Edition straight sections

Part Number: 4B8172H-STD

Year Make Model Submodel 2004 Ford F-250 Super Duty Harley-Davidson Edition 2004 Ford F-250 Super Duty King Ranch 1999-2004 Ford F-250 Super Duty Lariat 1999-2004 Ford F-250 Super Duty XL 1999-2004 Ford F-250 Super Duty XLT 2004 Ford F-350 Super Duty Harley-Davidson Edition 2003-2004 Ford F-350 Super Duty King Ranch 1999-2004 Ford F-350 Super Duty Lariat 1999-2004 Ford F-350 Super Duty XL 1999-2004 Ford F-350 Super Duty XLT

BD's exclusive Variable Orifice Technology

Vibrant 4 Ply Reinforced Silicone Straight Hose Coupling - 3.5in I.D. x 12in long (BLACK) 2018-ford-flex-esi1078537 Each system is built fromVibrant Performance Aramid Reinforced Silicone Straight Hose Couplers feature a 4 ply Aramid reinforcement fabric between each layer of silicone which allows for an impressive operating temperature range of 75 Degrees F to 392 Degrees F ( 60 Degrees C to 200 Degrees C). Our Straight Hose couplers are commonly found off of turbo compressor housings, intercooler end tanks and charge pipe assemblies. Suitable for water, coolant and air service only.