3in x 4in Concentric (st raight) Reducer 1987-pontiac-firebird-esi2213383 5 in - 4 in

5 in - 4 in Tall - 3-Piece - Plastic - Fluorescent Green - IMCA - Street Stock - Each

The new Trussed LS valley covers are available in three unique finishes: natural billet (clear anodized for protection)

000 in Bearing - Double Sheer - Adjustable - Hardware / Clamp Rings - Steel - Black Powder Coat - Universal - Kit

Check Valve - 4152 Series - Flapper - 6 AN Male Inlet - 6 AN Male Outlet - Aluminum - Black Anodized - Each

3 - Long Sleeve - High Neck - Fire Retardant Blend - Black - Large - Each

3in x 4in Concentric (st raight) Reducer 1987-pontiac-firebird-esi2213383 5 in - 4 inExhaust Pipe Reducer 3 in OD to 4 in OD 4 in Long Stainless Natural Each