SKU: 46-40012 | UPC: 802959461372
aFe BladeRunner Ported Ductile Iron Exhaust Manifold Dodge Ram 2500/3500 03-07 5.9L Cummins
The aFe BladeRunner exhaust manifold replaces factory units on 2003-2007 Dodge Ram 2500 and 3500 trucks with 5.9L Cummins diesel engines. Made from high-silicon molybdenum ductile iron this manifold outflows the stock unit by 23% to deliver quicker turbo spool-up improved throttle response and stronger performance across the powerband. Its ported design merged runners and thick walls prevent cracking and warping for long-term reliability.
Key Features
- 23% Better Flow: Ported flanges and merged runner design reduce exhaust backpressure for noticeable gains in power and efficiency over stock.
- Thick Wall Construction: 0.25-inch walls versus stock 0.15-inch provide extra strength to eliminate common factory manifold cracks and warping.
- Dual EGT Ports: Two 1/8-inch NPT pre-threaded ports allow easy installation of exhaust gas temperature gauges for monitoring.
- Precision Machined Ports: Matched ports ensure a tight seal with a clean appearance while optimizing exhaust evacuation.
- Complete Kit: Includes six port gaskets and all necessary hardware for straightforward bolt-on installation.
Product Notes
- Direct replacement for factory manifold with no modifications required.
- High-silicon molybdenum ductile iron resists heat and corrosion for extended service life.
- Ships in protective packaging to prevent damage during transit.
Installation Notes
- Professional installation recommended.
- Bolt-on design uses provided gaskets and hardware for easy replacement.
- Compatible with factory turbocharger downpipe and exhaust system.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2003-2007 | Dodge | Ram 2500 | 5.9L Cummins Diesel (All Trims: Laramie SLT Sport ST TRX4) |
| 2003-2007 | Dodge | Ram 3500 | 5.9L Cummins Diesel (All Trims: SLT Sport ST TRX4) |
Why Choose aFe?
- Engineered for Cummins diesel owners with proven flow-tested designs.
- Cast in high-silicon ductile iron for heat resistance and durability.
- Backed by dyno testing to confirm real-world performance gains.
Frequently Asked Questions
- Q: Will this fit my 2004 Dodge Ram 2500 5.9L Cummins?
A: Yes it fits all 2003-2007 Ram 2500 and 3500 models with the 5.9L Cummins L6 diesel engine regardless of cab or bed configuration. - Q: What material is the manifold made from?
A: High-silicon molybdenum ductile iron casting for superior strength heat tolerance and resistance to cracking. - Q: Does it include everything needed for install?
A: Yes includes six port gaskets and mounting hardware. Installation typically takes 2-4 hours with basic tools.
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock – ships same or next business day
- Packaging: Securely boxed 24 x 16 x 12 inches
- Weight: 38 lbs








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