XFORCE Exhaust CL4S-178-300 - Stainless Steel 4 To 1 Exhaust Header Collector street-carbs 3L V8 1955 - 1957

3L V8 1955 - 1957 Chevrolet Bel Air   265/4

9 V8 1968 - 1973 Chevrolet K20 Suburban 307/5 V8 1969 - 1986 Chevrolet K20 Suburban 350/5

0L V8 1983 - 1984 Pontiac 6000 Base 173/2

The Digital Multi-Retard provides four different stages of retard along with an adjustable start retard feature - all of this with no modules

5 Substrate Material Ceramic Air Tube Adaptable No Converter Quantity 2 Finish Stainless Steel Series OEM Grade Subtitle Federal / EPA Compliant Title OEM Grade Direct-Fit Type Direct-Fit Inlet Attachment Bolt-On Clamp Included Yes Heat Shield Included Yes

XFORCE Exhaust CL4S-178-300 - Stainless Steel 4 To 1 Exhaust Header Collector street-carbs 3L V8 1955 - 1957Overview: 4 To 1 Collector 1 7 8" To Single 2. 5" S Steel Application: Universal Specs: Body Body Length(in) Inlet(in) Outlet O. D(in) Outlet Length(in) Outlet Style