The ONLY correct fitting to use is a contoured port fitting with an O-ring seal such as :Part # AT985010ERL
+35 HP and +37 lb-ft TRQ (Wheel)
BRExhaust Direct-Fit Replacement Exhaust Kit 106-0163 takes the guesswork out of replacing your exhaust system while providing a reliable and high-quality alternative to the OEM exhaust
5 V8 1980 - 1982 Ford E-350 Econoline Club Wagon 400/6
3 V8 1966 - 1971 Plymouth Fury Sport 383/6
1968-1972 A Body Convertible Crossmember RCAEC2-T56 camshafts-lifters-and-parts The ONLY correct fitting toFits Models: GS, Skylark, Sport Wagon, Chevelle, El Camino, Malibu, Monte Carlo, 442, Cutlass, F85, Vista Cruiser, GTO, LeMans, Tempest, Grand Prix Fits Years: 68 72 Fits Transmissions: T 56, T 56 MAGNUM, T56XL, MAGNUM XL, TR6060 For a proper fit with these transmissions, the GF GMATM Transmission Mount is included. For 1968 1972 convertibles or boxed frames the distance between the crossmember frame mounting holes is 47 1 2". To ensure proper