Equal Length Headers Exhaust Manifolds for BMW E36 325i 323i 328i M3 Z3 M50 M52 (1991-1998)

Stainless Performance Equal-Length Header Manifold

Fits BMW E36 & Z3 Inline-6 Engines

Upgrade your BMW’s exhaust performance with these stainless steel equal-length exhaust manifold headers, engineered to improve exhaust scavenging, throttle response, and overall power delivery. Designed specifically for BMW E36 and Z3 inline-6 platforms, these headers replace the restrictive factory manifolds with a free-flowing design optimized for performance-oriented driving.

Equal-length primary runners help balance exhaust pulses, improving gas flow efficiency and producing a sharper, more aggressive exhaust note—while supporting measurable horsepower and torque gains.

Vehicle Fitment

• BMW E36 (1991–1998)

  • 2.5L Inline-6 (M50 / M52)

  • 2.8L Inline-6 (M52)

  • 3.2L Inline-6 (S52)

• BMW Z3 (1996–1998)

  • 2.5L / 2.8L / 3.2L Inline-6

Compatible with models including 325i, 323i, 328i, M3, and Z3 equipped with the listed engines.

Key Features & Performance Benefits

• Equal-length 3-to-1 header design for improved exhaust scavenging

• Supports approximately 5–10 horsepower and torque gains under ideal conditions

• High-quality stainless steel construction for durability and corrosion resistance

• CNC-machined flanges for precise fitment and leak-free sealing

• TIG and MIG welded joints for strength and long-term reliability

• Dual O₂ sensor bungs pre-installed

• Improves throttle response and high-RPM performance

• Produces a deeper, more aggressive exhaust tone

• Polished finish enhances under-hood and under-car appearance

Technical Specifications

• Primary piping diameter: 1 3/8"

• Inlet size: 1 1/4" x 1 3/4"

• Outlet size: 2.0" ID

• O₂ sensor ports: 2

Installation Notes

• Direct replacement for factory exhaust manifolds

• Installation instructions are not included

• Professional installation is recommended

• Refer to a factory service manual or qualified exhaust shop for proper installation

Engineered for BMW enthusiasts who demand better airflow and stronger performance, these equal-length stainless headers deliver improved power, sharper response, and a refined yet aggressive exhaust character—perfectly complementing the performance heritage of the E36 and Z3 inline-6 platforms.