Hedman Headers - 78-88 GM G-Body H77403FL the Momentum GT sealed air

the Momentum GT sealed air intake system for the 2009-2013 Silverado/Sierra with V8 engines

You can download a copy of the instructions below

Eliminator Stealth

Ultra-quiet patented skewed blade design

2L engines

Hedman Headers - 78-88 GM G-Body H77403FL the Momentum GT sealed airHedman Hedders Ls Swap Headers; 1 3 4 In. Mid Length; 1978 81 GM A Body & 1982 88 GM G Body Cars (Chevy Monte Carlo, Malibu, El Camino, GMC Caballero, Buick Regal, Olds Cutlass, Pontiac Bonneville, Grand Prix ; Uncoated Mild Steel GM A Body cars went through a transformation in 1978, and although GM redesignated rear wheel drive A Body models as G Bodies beginning in 1982, the platform remained relatively unchanged until 1988. The 1978 88 A and G Body