PTG M177.1 High Flow Exhaust Manifold

Developed by the engineers at PTG, the High Flow Manifolds are designed for drivers who demand more from the M177.1 platform. These manifolds deliver a dramatic increase in flow capacity over OEM manifolds. Unlocking higher boost levels, faster spool, and the headroom needed for serious power.

PTG High Flow Manifolds provide a performance advantage without sacrificing OEM fitment. Whether you’re chasing faster track times or building a high-horsepower street setup, these manifolds are engineered to outperform.

Significantly increased flow vs. OEM Mercedes manifolds

Optimized runner and collector design for improved turbo response

Supports higher boost and larger turbo setups with ease

Cast construction for durability under extreme heat and pressure

Designed and validated in-house by PTG engineers

Direct bolt-on fitment for the M177.1 platform

Key Features:
-Investment Cast Inconel 
-4 to 1 Collector Design
-59% Flow Increase with Replacement M177.1 Manifold
-74.5% Flow Increase with PTG-X Manifold System
-Ability to run PTG or Factory M177.2 Turbo on M177.1 Equipped Engines 
-Includes all Gaskets and Hardware for Easy Installation
-100% Bolt-On Application