Fits 2015-2017 Mustang GT Varitune Complete Cat Back Kit W/ Resonator Pipe-30065 reg-cab 7L V8 1976 GMC C25

7L V8 1976 GMC C25 Sierra Classic 454/7

7 V8 1988 - 1990 Chevrolet C3500 379/6

1 5/8" Filler neck included  Complete bolt in solution for your EFI conversion Fuel tank is a direct fit for your application with no body modifications necessary

Reference Number Reference Name 4060475 Continental/ContiTech 5060475 Dayco D84-1000-3061270 OEM Part Number 8-97063-173-0 OEM Part Number F2CE-8620-FA OEM Part Number E43E-8620-HA OEM Part Number F1CZ-8620-C OEM Part Number E43Z-8620-C OEM Part Number E43Z-8620-H OEM Part Number 2500486-C1 OEM Part Number 3565421-C1 OEM Part Number 3571275-C1 OEM Part Number D1102-7163 OEM Part Number 3517822-C1 OEM Part Number D1108-5616 OEM Part Number MD370413-B OEM Part Number 1340A086 OEM Part Number 1340A132 OEM Part Number 12578001 OEM Part Number 23550261 OEM Part Number 23550271 OEM Part Number MD370413 OEM Part Number MD370414 OEM Part Number 20-5764 OEM Part Number 860388 OEM Part Number 982349 OEM Part Number 6PK1207 Goodyear Alternate P/N 6K474 AC Delco 6PK1205 Bando 6PK1210 Bando

1955-1959 GMC 350-8

Fits 2015-2017 Mustang GT Varitune Complete Cat Back Kit W/ Resonator Pipe-30065 reg-cab 7L V8 1976 GMC C25BBK Varitune cat back exhaust systems feature BBK Varitune mufflers that have a patented adjustable power valve inside that allows full adjustment of the exhaust flow through the mufflers chambers for a great sound and added performance. This adjustment is made at the rear of the muffler with a wrench by either moving the valve in or out. Once you are happy with the level of sound, it is locked in place with the Varitune locking nut. All of the