C4 Corvette 1984-1991 Long System Catalytic Converter?:No Cats especially during demanding conditions such

especially during demanding conditions such as hot days at the track or heavy city traffic

Size 33X13

NOTE: Will NOT work with UnderCover SwingCase

For Garret GT2052

it can add to it with our C5 Corvette alternator cover

C4 Corvette 1984-1991 Long System Catalytic Converter?:No Cats especially during demanding conditions suchFor C4 Corvette owners, American Racing Headers has finally answered the call. Your long awaited C4 systems are here! With features you'd expect from ARH including all 100% US made 304 S S construction, 3 8" thick flanges with hand ported inlets, merge collectors with scavenger spikes, your choice of 1 3 4" or stepped 1 3 4" X 1 7 8" primaries and our 3" X Pipe equipped exhaust (with or without our 200 cell metallic substrate cats), it simply doesn't