FLOWTECH 11730FLT Cast Iron Exhaust Manifolds for GM LS Engines Installation Guide
Learn about FLOWTECHTM's Cast Iron Exhaust Manifolds for GM LS Engines, available in 11730FLT (no coating), 31730-1FLT (silver ceramic), & 31730-3FLT (black ceramic). Designed for emissions-legal crate engines and retro-fit installations, these manifolds provide excellent performance and catalytic converter function. Not compatible with 2004-2006 GTO starters/bellhousings.