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CSF G8X M2 M3 M4 S58 billet air-to-air competition manifold mounted on a white background.

CSF G8X M2 / M3 / M4 (S58) Billet Air-to-Air Competition Manifold

SKU: 8402
$3,995.00

The CSF “No Limit” S58 Air-to-Air Billet Competition Manifold represents a major leap forward in intake design for high-performance S58 builds. Developed and validated under extreme conditions, this system was proven at TX2K 2026 where multiple S58-powered vehicles achieved 7-second quarter mile times, including the current world record-holding BMW by Tom Wrigley Performance.

Designed in collaboration with Custom Plenum Creations (CPC), this manifold eliminates the factory charge cooler limitation, allowing for significantly increased airflow capacity and the use of larger front-mounted intercooler systems. By separating the cooling system from the intake manifold, CSF enables builders to push beyond traditional performance ceilings while maintaining consistent airflow and thermal control.

Each manifold is precision CNC-machined from solid 6061 billet aluminum and engineered with optimized plenum volume, refined runner geometry, and integrated velocity stacks. CFD analysis ensures balanced airflow distribution across all cylinders, supporting high boost applications exceeding 1500+ horsepower. This is a true motorsport-grade solution designed for extreme builds where airflow, durability, and consistency are critical.

Product Details

  • Fully CNC-machined from solid 6061 billet aluminum
  • Designed and manufactured in collaboration with CPC (Australia)
  • Integrated internal velocity stacks for optimized airflow distribution
  • Supports high horsepower builds exceeding 1500+ WHP
  • Throttle body flange designed for 77mm S55 throttle body (larger than factory S58)
  • Top-feed port injection capable (6 or 12 injector configurations)
  • Includes billet fuel rail for 6 injector setup
  • 6 injector block-off plugs included
  • Modular runner ports for port injection, nitrous, or methanol integration
  • Two integrated sensor pads with multiple NPT ports
  • Includes OEM TMAP port, (2) 1/4 NPT, and (4) 1/8 NPT ports
  • High-pressure O-ring sealed construction rated for 100+ PSI (7+ bar)
  • Includes CSF Thermal Rejection Manifold Spacer (reduces temps up to 15%)
  • Optimized plenum inlet angle for improved intercooler piping routing
  • Includes hardware kit with installation diagrams and BOM
  • Includes billet oil filter housing adapter for service accessibility
  • Raw billet aluminum finish (custom finishes available)
  • SKU: 8402

Vehicle Applications

Notes

  • This product is intended for motorsport use only
  • Installation requires removal of the factory air-to-water charge cooling system
  • Extensive modifications are required for proper installation
  • Professional installation is strongly recommended
  • Warranty: 2 years through Cooling Systems and Flexibles (CSF)
  • View emissions compliance notice

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