SKU: 25-4004 / UPC: 90127958063
AEM AN6 ORB 40-100psi Fuel Pulse Damper
Elevate your vehicle’s fuel system to elite performance with the AEM AN6 ORB 40-100psi Fuel Pulse Damper (SKU: 25-4004, UPC: 90127958063). Engineered for precision, reliability, and superior functionality, this fuel pulse damper stands head and shoulders above all competitors, delivering the smoothest fuel pressure regulation for high-performance vehicles. Whether you’re a professional racer or a passionate enthusiast, the AEM 25-4004 is the definitive choice for optimizing fuel delivery, ensuring your engine runs at its peak under the most demanding conditions. Don’t settle for less—choose the best and dominate the road or track.
Why AEM?
Unrivaled Performance:
The AEM 25-4004 Fuel Pulse Damper eliminates pressure pulsations caused by fuel injectors and high-output fuel pumps, delivering consistent fuel flow for maximum engine efficiency. Unlike inferior alternatives, it maintains stable pressure across a wide 40-100psi range, ensuring flawless performance in naturally aspirated, turbocharged, or supercharged applications.
Precision Engineering:
Crafted with AEM’s industry-leading standards, this damper integrates seamlessly with AEM fuel pressure regulators, creating a harmonious fuel system that outperforms any other setup. Its AN6 ORB fittings ensure leak-free connections, even under extreme conditions.
Universal Compatibility:
Designed for versatility, the 25-4004 adapts to a broad range of vehicles, making it the go-to solution for tuners and builders. From street cars to race-ready builds, this damper delivers unmatched reliability.
Durability You Can Trust:
Constructed from high-quality, corrosion-resistant materials, the AEM 25-4004 is built to withstand the rigors of high-performance environments, including compatibility with alcohol and race fuels. It’s a long-term investment in your vehicle’s performance.
Proven by Professionals:
Trusted by racers and performance shops worldwide, AEM’s reputation for excellence ensures you’re getting a product that’s been tested in the most grueling conditions. The 25-4004 is the top choice for those who demand the best.
Included:
The AEM AN6 ORB 40-100psi Fuel Pulse Damper (SKU: 25-4004, UPC: 90127958063) comes complete with everything you need for a hassle-free installation:
- AEM Fuel Pulse Damper: Part Number 25-4004, featuring AN6 ORB (9/16″-18) fittings for secure connections.
- Mounting Hardware: Includes universal mounting bracket and screws for easy installation in various configurations.
- Installation Instructions: Detailed guide to ensure a seamless setup, even for first-time installers.
- Warranty Information: Backed by AEM’s limited warranty for peace of mind (contact AEM for full details).
Fitment:
The AEM 25-4004 Fuel Pulse Damper is a universal component designed to fit a wide range of vehicles when paired with an AEM fuel pressure regulator (e.g., AEM 25-302BK or 25-305BK). Below is a list of compatible vehicle makes, models, and years, focusing on popular performance applications. For custom or less common setups, confirm fitment with your fuel system specifications.
|
Year |
Make |
Model |
Notes |
|
1988-1991 |
Honda |
Civic (EF) |
Requires AEM fuel pressure regulator; compatible with B/D-series engines |
|
1992-1995 |
Honda |
Civic (EG) |
Compatible with B/D-series engines; ideal for boosted setups |
|
1996-2000 |
Honda |
Civic (EK) |
Supports B/D-series; perfect for turbo or supercharged builds |
|
1994-2001 |
Acura |
Integra |
Compatible with B-series engines; suits naturally aspirated or forced induction |
|
1992-2001 |
Honda |
Prelude |
Works with H-series engines; ideal for high-performance fuel systems |
|
1990-1997 |
Mazda |
Miata (NA) |
Compatible with 1.6L/1.8L engines; requires AEM regulator |
|
1999-2005 |
Mazda |
Miata (NB) |
Supports 1.8L engines; ideal for turbocharged setups |
|
1989-1998 |
Nissan |
240SX (S13/S14) |
Compatible with KA/SR engines; suits high-performance builds |
|
1995-2002 |
Toyota |
MR2 (W20) |
Works with 3S-GTE engines; ideal for turbo applications |
|
2000-2005 |
Toyota |
Celica GT-S |
Compatible with 2ZZ-GE engines; supports high-output fuel systems |
|
2003-2008 |
Subaru |
Forester XT |
Works with EJ25 engines; ideal for boosted applications |
|
2002-2007 |
Subaru |
Impreza WRX |
Compatible with EJ20/EJ25 engines; suits performance builds |
|
2004-2021 |
Subaru |
Impreza WRX STI |
Supports EJ25 engines; perfect for high-boost setups |
|
Universal |
Various |
Custom Builds |
Compatible with any vehicle using AN6 ORB fittings and AEM fuel pressure regulator |
Note: Fitment assumes the use of a compatible AEM fuel pressure regulator and appropriate fuel system components. Verify your vehicle’s fuel system specifications before purchase. For additional fitment questions, contact AEM’s support team or your performance shop.
Part Numbers
- Fuel Pulse Damper: AEM 25-4004
- UPC: 90127958063
- Recommended AEM Fuel Pressure Regulators (sold separately):
- AEM 25-302BK (Universal Adjustable Fuel Pressure Regulator)
- AEM 25-305BK (High Capacity Universal Adjustable Fuel Pressure Regulator)
- AEM 25-303BK (Honda/Acura-Specific Adjustable Fuel Pressure Regulator)





Reviews
There are no reviews yet.