4B11 347 Stainless Hypex Stock Frame tubular Replacement Manifold

4B11 EVO X OEM Replacement 347 SS Hypex Tubular Turbo Manifold

Upgrade your EVO X with a high-performance, direct bolt-on tubular manifold designed to replace the restrictive factory unit. Engineered from premium materials and precision-built for performance, this manifold offers a perfect foundation for both stock and upgraded turbo setups.

Features:

• Full 347 SS Hypex Construction – Built from high-grade 347 stainless steel for exceptional strength, corrosion resistance, and long-term durability in high-temperature environments.

• Precision TIG Welding with Full Back Purge – Expertly TIG welded and fully back-purged to ensure clean, strong, and reliable welds with optimal internal flow.

• CNC-Matched Header Flange – Precisely CNC-machined flange for a seamless port transition between the cylinder head and manifold runners, maximizing flow efficiency.

• Hypertune Proprietary Runner Design – Optimized 44.45mm (1.75”) outer diameter with 2.7mm wall thickness for the perfect balance of strength, flow, and weight reduction.

• High-Temperature Performance – Specifically engineered to maintain performance and structural integrity under extreme exhaust gas temperatures.

• Lightweight Construction – Significantly lighter than standard off-the-shelf manifolds, reducing stress on the turbo system while improving overall engine bay efficiency.

This manifold is a true performance upgrade that enhances exhaust flow, supports faster turbo spool, and provides a robust platform for future power goals—all while maintaining direct OEM fitment.