High-Performance Exhaust Header Manifold for BMW E46 323i 328i Z3 528i M54 E93 E94 - Improves Engine Power & Sound - Perfect for Racing & Performance Upgrades

Upgrade your BMW E46 323i, 328i, Z3-528i, M54, E93, and E94 models with our high-performance stainless steel sport exhaust headers, designed for both manual and automatic transmissions. Made in Germany from heavy-duty T304 stainless steel, these headers offer exceptional durability and enhanced performance, perfect for track and off-road use. Please note, catalytic converters must be welded in for street legality. The kit includes all necessary gaskets and is compatible with left-hand drive models only; not suitable for xi four-wheel-drive variants.

Fitment:

For 1998-2006 BMW E46 (323/328) ?(2006 coupe only) NO 325/330, not long enough(except 1999 328i)
For 1997-2000 BMW E39 5 Series 2.5L/2.8L/3.0L Engines?
For 1996-2002BMW Z3 2.5L/2.8L/3.0L Engines?

If your BMW's engine is M52. Please choose this product:

Specifications:

Brand Name: FLASHARK
SKU: ES08335 (EH28535)
Certificate: ISO9001:2000
Application: M54 Exhaust Header
Material: Stainless Steel
Surface: Mirror Polish

The M54 headers feature a 6-2-1 lightweight piping design and are made from T304 stainless steel, ensuring long-lasting durability and performance.

Features:

• Our M54 headers are designed with an F1-style merge collector for reduced turbulence and creates more horsepower and torque.
  
• Improved TIG welding with each weld back purged so each weld is protected on both the front and rear sides
• Includes 4 O2 (lambda) sensor ports just like the original down pipe configuration,?does not include catalytic converters - not useable on the public roads! Check your local regulations
• Improvement is approximately 12 hp. With our ECU tuning software upgrades, we have seen increases of over 30 HP
• The design utilizes equal-length headers, smooth mandrel bends and large F1-style collectors
• Headers make the car noticeably faster across the rpm range with minimal additional noise
• Straight forward installation

Stainless Steel Sport Exhaust Headers for BMW E46 323i 328i Z3-528I M54 E93 E94with M54 6-cylinder engine, and manual or automatic transmissions. Models with air pumps may require modifications. These high-performance headers were developed in Germany and are manufactured out of heavy gauge T304 stainless steel for long life. They are intended for track and off-road use only unless you weld in catalytic converters. The kit comes complete with gaskets. Left-hand drive models only. Not for four-wheel drive models.

Replacing or upgrading your exhaust header is necessary for both engine performance and sound. Whether on or off the track, exhaust headers provide more horsepower and improved exhaust sound. FLASHARK offers many products to help you create your own custom engine headers. It's really easy and convenient to use: direct bolt-on, no modification needed.?

Delivery:

Free Shipping
Shipping Time: Estimated in 3-5 Working Days

Warranty:

Duration of Warranty: Permanent Warranty.

Quality assurance:

1. Each item has been factory tested and meets or exceeds OEM specifications.
2. If you are not satisfied with the product or the product has quality problems, you can contact us at any time, we will provide you with a satisfactory answer and solve the after-sales problem for you.

Package Includes:

• 2*Exhaust Manifolds
• 4*Gaskets
  

Exhaust Header vs. Manifold: Which is the Better Choice for Your BMW M54 Engine?

When upgrading your BMW’s exhaust system, choosing between an M54 header and a manifold is essential for improving performance. The key differences lie in the materials and design. M54 headers are made from lightweight T304 stainless steel, while traditional exhaust manifolds are typically crafted from thick, heavy iron. Additionally, M54 headers are longer than manifolds, providing improved exhaust flow.

Exhaust manifolds tend to create back pressure, which reduces engine performance. In contrast, M54 headers feature individual tubes for each cylinder, effectively eliminating back pressure. This design allows exhaust gases to flow freely, enhancing horsepower and torque. For optimal performance and efficiency, M54 headers are the superior choice over traditional exhaust manifolds.