AEM AN6 ORB 40-70psi Fuel Pulse Damper

SKU: 25-4002

AEM AN6 ORB 40-70psi Fuel Pulse Damper

This fuel pulse damper stands head and shoulders above the competition, delivering unmatched stability, durability, and compatibility. Designed to smooth out fuel pressure pulsations caused by injector operation and fuel pump dynamics, the AEM 25-304BK ensures consistent fuel delivery for optimal engine performance, making it the top choice for enthusiasts and professional tuners alike. Whether you’re pushing your vehicle to the limit on the track or seeking flawless idle and cruise performance, this is the definitive solution for your fuel system needs.

Why the AEM

• Unrivaled Performance: Unlike other fuel pulse dampers, the AEM 25-304BK is precision-engineered to operate within a 40-70psi range, perfectly complementing AEM’s renowned adjustable fuel pressure regulators (e.g., AEM 25-302BK). It effectively eliminates pressure spikes caused by injector open/close cycles and fuel pump operation, ensuring smooth fuel delivery even under high load. This results in improved throttle response, enhanced idle stability, and consistent power output—qualities that outshine competitors like the TAARKS AN6 ORB damper, which relies on OEM Nissan components rather than AEM’s bespoke design.
• Superior Build Quality: Crafted from CNC-machined 6061-T6 billet aluminum with a sleek black anodized finish, the AEM 25-304BK offers exceptional durability and resistance to alcohol-based fuels and race gases. Its robust construction ensures long-term reliability in the harshest conditions, unlike generic aftermarket alternatives that may degrade over time.
• Seamless Integration: Designed with AN6 ORB ports, this damper integrates effortlessly with aftermarket fuel rails and AEM’s high-flow fuel systems. Its universal fitment makes it compatible with a wide range of performance vehicles, providing flexibility that outpaces model-specific dampers. The included fittings ensure a hassle-free installation, saving you time and effort compared to less comprehensive kits.
• AEM Excellence: AEM Electronics is a leader in performance aftermarket solutions, trusted by racers and enthusiasts worldwide. With decades of engineering expertise, AEM’s fuel delivery components, including the 25-304BK, are rigorously tested to exceed industry standards, offering unmatched reliability and performance. This damper works in tandem with AEM’s fuel pressure regulators and gauges, creating a cohesive fuel system that competitors struggle to match.

What’s Included in Your Purchase

The AEM AN6 ORB 40-70psi Fuel Pulse Damper (Part No. 25-304BK) comes complete with everything you need for a straightforward installation:

• 1 x AEM Fuel Pulse Damper: CNC-machined billet aluminum housing with AN6 ORB ports, pre-calibrated for 40-70psi operation.
• 2 x AN6 Adapter Fittings: High-quality fittings for secure connection to your fuel rail or fuel line.
• Mounting Hardware: All necessary bolts and brackets for a secure installation.
• Installation Instructions: Detailed guide to ensure a seamless setup, even for first-time installers.

Part Numbers

• Fuel Pulse Damper: AEM 25-304BK
• Compatible Fuel Pressure Regulator: AEM 25-302BK (Universal Adjustable, supports up to 1000hp)
• Optional Accessories:
• AEM 30-0301 X-Series 100 PSI/7 BAR Digital Fuel Pressure Gauge (for precise monitoring)
• AEM 25-392 Fuel Pressure Regulator Rebuild Kit (for maintenance of compatible regulators)

Compatibility

The AEM 25-304BK Fuel Pulse Damper is a universal fitment component, designed to work with virtually any vehicle equipped with an aftermarket fuel rail or AN6-compatible fuel system. It is particularly suited for high-performance applications, including:

• Honda/Acura: Civic (1987-2000, including 1.6i VTEC models), Integra, Accord, Prelude
• Subaru: WRX, STI, Forester, Legacy
• Mitsubishi: Lancer Evolution, Eclipse
• Toyota: Supra, MR2, Corolla
• Ford: Mustang, Focus
• Porsche: 911, Cayman

Other Makes: Compatible with any vehicle using AN6 ORB fuel rails, including custom builds and race cars.

Note:

For specific Honda Civic 3 Door Hatchback (1987-1992, 1.6i VTEC), the damper pairs perfectly with AEM’s adjustable fuel pressure regulator for optimal tuning. Always verify fuel system compatibility before installation.