aFe Twisted Steel 1-3/4 IN to 2 IN 304 Stainless Headers (48-33022) 15190 Originally developed with the GM

Originally developed with the GM LT-1 engine specs in mind

1" depth of threads on fittings for adjustments

stainless steel braided tube and black mil-spec anodized aluminum 6061-T6 cap and bracket

Our machine welded tubular design allows for superior strength over OE style stamped steel arms

and durability under demanding racing conditions

aFe Twisted Steel 1-3/4 IN to 2 IN 304 Stainless Headers (48-33022) 15190 Originally developed with the GMTwisted Steel 304 SS Brushed Exhaust Headers by aFe. 0. 125" NPT exhaust gas temperature (EGT) ports and plugs. The new Twisted Steel performance header from aFe Power is redefining the header industry with the new pulse control technology. aFe engineers have designed this header using optimum tube lengths and mitered collectors for maximum flow and velocity for power delivery across the entire power band. These headers are 100% TIG welded and