MAZDA 20B COSMO Billet Intake Manifold (Without Semi PP) 
Upgrade your rotary with our fully billet CNC-machined intake manifold, precision-crafted from 6061-T6 aircraft-grade aluminum for maximum strength, performance, and reliability.
Features:
✅ Fully billet CNC-machined 6061-T6 aluminum construction
✅ Additional fuel rails with stoppers included (optional use)
✅ AN ORB hose fittings included (your choice of fittings)
✅ Custom throttle body adapter included
✅ Custom anodizing colors available
✅ CFD simulation and velocity vector tested for optimized airflow
✅ Lifetime crack-proof warranty
✅ Thermal PTFE (Teflon) gasket included
✅ Plug-and-play installation
✅ Worldwide shipping available
Vehicle Compatibility:
• Mazda Eunos Cosmo JC3S (20B-REW)
• Mazda RX-7 FC3S (20B swap)
• Mazda RX-7 FD3S (20B swap)
• Mazda RX-8 SE3P (20B swap)
• Other custom 20B rotary engine builds
Built for enthusiasts who demand premium quality, precise fitment, and proven performance.