Schoenfeld 1-7/8" SB Chevy 18 Degree Exhaust Flange H775C15XS Adapter is fitted with 5/8"-11

Adapter is fitted with 5/8"-11 coarse thread studs and measures 1" thick

1976-1979 Dodge Aspen

Just toss the 2 piece 56 inch Race Ramps in the trunk and you're good to go

It improves shifting

This bolt-on DOR (Dual Out Rear) emissions-legal system features a pair of specially tuned resonator/mufflers and pipes for maximum performance

Schoenfeld 1-7/8" SB Chevy 18 Degree Exhaust Flange H775C15XS Adapter is fitted with 5/8"-11Flange Thickness is 1 4". Started in 1974, Schoenfeld is known for custom fabricated headers for all forms of circle track racing. Schoenfeld Headers is the worlds largest manufacturer of circle track headers, but they specialize in a variety of high quality exhaust parts, including turn downs, extensions, tubing bends and elbows, race mufflers, insert mufflers, mandrel bends, exhaust reducers, header gaskets, and more. Product Description: Header