1982-2004 Chevy GMC LS Swap S10 LS1 LS2 LS3 LS6 Blazer Sonoma Stainless Exhaust Header Blow off Valve Spacer brand new in the box

brand new in the box available in Blue

you are required to reuse or purchase new ones

bolts straight onto factory BOV flange

O2 extension needed

Fits LS-based engines with “rectangular” or "cathedral" intake port shapes only

1982-2004 Chevy GMC LS Swap S10 LS1 LS2 LS3 LS6 Blazer Sonoma Stainless Exhaust Header Blow off Valve Spacer brand new in the boxDescription SSNperformance headers are the perfect combination of quality and value. our exhaust headers made of high quality T 304 stainless steel with CNC machine flanges of TIG and MIG welded construction. Computerized Mandrel Bends bending maximizes the smoothest exhaust airflow for your vehicle and achieves better exhaust gas scavenging and reduced back pressure. Features Primary Tubes: 1 5 8" Outlet: 2 1 2" Head Flanges Thick: 3 8" Reducers