Exhaust Headers 1-5/8 in. Mild Steel Hi-temp Black Paint for Chevelle El Camino Monte Carlo Nova Caprice Impala 283 305 350 400 cu. in. V8

Direct replacement of stock manifolds and bolt-on fit for stock exhaust pipesMost efficient at providing horsepower gain from idle to mid-range RPMFully mandrel bent tubes made of 16-gauge (1.5mm thickness) cold roll flash mild steelHead flange laser-cut from 5/16-inch (8.0mm) thick steel plates and flattened by hydraulic pressAll joints TIG welded for great resistance against cracking and wearing; Hi-temp paint that holds up to 500C or 932F

FITMENT NOTE - For pre-1979 models, additional bracket may be necessary for air conditioning - Does not fit with angle plug heads or raised port heads TECH SPECS Header Type.............................Short Tube / Shorty Primaries Diameter...............1-5/8 in. (42mm) Collector Diameter................3 in. (76mm) Head Flange Thickness.......5/16 in. (8.0mm) Pipe Thickness.....................16-gauge (1.5mm) Material.................................Mild Steel Finish.................................Black Paint