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2.5L L6 Exhaust Manifold Header For 2004 BMW 325Ci M54 T-304 Stainless Steel 1 3/4'' 0
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2.5L L6 Exhaust Manifold Header For 2004 BMW 325Ci M54 T-304 Stainless Steel 1 3/4'' 0
2.5L L6 Exhaust Manifold Header For 2004 BMW 325Ci M54 T-304 Stainless Steel 1 3/4'' 1
2.5L L6 Exhaust Manifold Header For 2004 BMW 325Ci M54 T-304 Stainless Steel 1 3/4'' 2
2.5L L6 Exhaust Manifold Header For 2004 BMW 325Ci M54 T-304 Stainless Steel 1 3/4'' 3
2.5L L6 Exhaust Manifold Header For 2004 BMW 325Ci M54 T-304 Stainless Steel 1 3/4'' 4
2.5L L6 Exhaust Manifold Header For 2004 BMW 325Ci M54 T-304 Stainless Steel 1 3/4'' 5
2.5L L6 Exhaust Manifold Header For 2004 BMW 325Ci M54 T-304 Stainless Steel 1 3/4'' 6
2.5L L6 Exhaust Manifold Header For 2004 BMW 325Ci M54 T-304 Stainless Steel 1 3/4'' 7
2.5L L6 Exhaust Manifold Header For 2004 BMW 325Ci M54 T-304 Stainless Steel 1 3/4'' 8
2.5L L6 Exhaust Manifold Header For 2004 BMW 325Ci M54 T-304 Stainless Steel 1 3/4'' 0
2.5L L6 Exhaust Manifold Header For 2004 BMW 325Ci M54 T-304 Stainless Steel 1 3/4'' 1
2.5L L6 Exhaust Manifold Header For 2004 BMW 325Ci M54 T-304 Stainless Steel 1 3/4'' 2
2.5L L6 Exhaust Manifold Header For 2004 BMW 325Ci M54 T-304 Stainless Steel 1 3/4'' 3
2.5L L6 Exhaust Manifold Header For 2004 BMW 325Ci M54 T-304 Stainless Steel 1 3/4'' 4
2.5L L6 Exhaust Manifold Header For 2004 BMW 325Ci M54 T-304 Stainless Steel 1 3/4'' 5
2.5L L6 Exhaust Manifold Header For 2004 BMW 325Ci M54 T-304 Stainless Steel 1 3/4'' 6
2.5L L6 Exhaust Manifold Header For 2004 BMW 325Ci M54 T-304 Stainless Steel 1 3/4'' 7
2.5L L6 Exhaust Manifold Header For 2004 BMW 325Ci M54 T-304 Stainless Steel 1 3/4'' 8

2.5L L6 Exhaust Manifold Header For 2004 BMW 325Ci M54 T-304 Stainless Steel 1 3/4''

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SKU: 8265EXP6884US
Shopping for your 2004 BMW 325Ci 2.5L L6
[Note] Please check the listed fit vehicles in to verify if your vehicle is suitable.
2026 MEMORIAL DAY SALE
Quantity
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Brand
Suncent®
Material
T-304 Stainless Steel
Notes
Please note that the 2006 325xi and 330xi use the N52 engine and are not suitable for this product
Head Flange Thickness
7/16"
Location
201 Stainless Steel
Primary Tube Size
1.75"
Outlet Flange Thickness
3/8"
Outlet Size
2"
Certificate
ISO9001:2015
Inlet
1-1/2" x 1-7/8"

🏁 Equal-Length Design for Optimal Performance: Featuring equal-length runners, this exhaust header ensures balanced exhaust pulses, reducing backpressure and turbulence. Enjoy increased horsepower and torque for powerful road or track performance.


⛽ Fuel Efficiency: Optimized exhaust flow minimizes pumping losses, improving fuel mileage by 3% to 5%.


⚖️ Optimized Weight Distribution: Crafted from high-quality stainless steel, these exhaust headers significantly reduce weight, helping the vehicle approach an ideal 50:50 front-to-rear weight distribution ratio.


🎶 Enhanced Sound: Enhance your vehicle’s exhaust note with a clearer, more aggressive tone while reducing excessive rumble, delivering a dynamic performance soundtrack.


❄️ Reduced Heat: Protect components by efficiently directing hot exhaust gases away from the engine quickly, resulting in better performance and extended lifespan.

Suncent® Exhaust Header for , , , , , BMW 325xi 330xi M54B30 M54B25 L6 Engine

Exhaust Header for 1979, 1980, 1981, 1982, 1983, 1984, 2001, 2002, 2003, 2004, 2005, 2006 BMW 325xi 330xi M54B30 M54B25 L6Suncent Exhaust Header is specially designed for increasing horsepower and torque of large displacement muscle cars

Fitment:

  • 2001, 2003, 2004, 2005, 2006 BMW 325Ci
  • 2002, 2003, 2004, 2005 BMW 325i
  • 2001, 2002, 2003, 2004 2005 BMW 325xi
  • 2001, 2003, 2004, 2005, 2006 BMW 330Ci
  • 2001, 2002, 2003, 2004, 2005 BMW 330i
  • 2001, 2002, 2004, 2005 BMW 330xi
  • 2001, 2002, 2003 BMW 525i
  • 2001, 2002, 2003 BMW 530i
  • 2003, 2004, 2005 BMW Z4
Only Fit 2.5/3.0L M54B25 M54B30 L6 Engine

Why Choose Exhaust Headers Over Stock Exhaust Manifolds?

Compared to stock exhaust manifolds, the Exhaust Header is made from lighter stainless steel and features nearly identical pipe lengths connecting each cylinder, ensuring even exhaust pulses.

This equal-length design effectively prevents exhaust gases from different cylinders from colliding, reducing backpressure and enhancing both intake and exhaust efficiency. As a result, the Exhaust Header is the ideal choice for optimizing engine efficiency and performance.

The original exhaust manifold has serious exhaust interference
Suncent equal length manifold design minimizes exhaust interference

The Benefit of a Equal-Length Exhaust Header:

Suncent's Exhaust Headers can increase the torque and horsepower of your muscle car

1.
Unlock Greater horsepower with Enhanced Torque

The exhaust header can boost horsepower by 8% to 12% and torque by 6% to 10% , making it a must-have choice for those pursuing optimal performance.

Suncent's Exhaust Header optimizes the weight distribution of muscle cars

2.
Optimize The Vehicle Weight Distribution

The exhaust header, made of lightweight, thin high-quality stainless steel, reduces weight by 10-30 pounds , bringing the front-to-rear weight distribution closer to an ideal 50:50 , enhancing acceleration, handling, and braking performance.

Suncent's Exhaust Header can improve the sound of your muscle car

3.
Transform Your Vehicle’s Sound

An exhaust header enhances the exhaust note, producing a deep, commanding tone at low RPMs and a thrilling, passionate roar at high RPMs.

Suncent's Exhaust Header can improve fuel efficiency

4.
Boost Fuel Economy With Optimized Exhaust Flow

For drivers avoiding extreme performance, this exhaust header lifts fuel efficiency by 3% in L4/L6 and 5% in V6/V8 models, ideal for fuel savings.

Exhaust Header for 1979, 1980, 1981, 1982, 1983, 1984, 2001, 2002, 2003, 2004, 2005, 2006 BMW 325xi 330xi M54B30 M54B25 L6

Package Content:

✅① Exhaust Header x2
✅② Exhaust Header Gasket x2
✅③ Outlet Flange Gasket x2

Promise:

Refund Policy 45 Days Easy
Worry-Free Returns
Suncent® Exhaust Manifold Headers: Built for Performance and Reliability
Precision Design and Manufacturing
Engineered with a tuned-length design to optimize exhaust flow, Suncent® headers enhance combustion, throttle response, and fuel efficiency.
Featuring 3/8" laser-cut flanges and CNC mandrel-bent 1-3/4" tubing, these headers ensure a durable, leak-free fit.
Strict CFD Test
CFD-tested for optimal flow and pressure-tested for reliability, Suncent® headers are built to last.
The complete kit includes premium gaskets, bolts, and hardware for quick, straightforward installation.
FAQ
Suncent's Exhaust Header's Brand!

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