Exhaust Headers for 1994-2001 Honda Acura Integra LS/RS/GS B18B1 1.8L

Flashark Exhaust Header for 1994-2001 Honda Acura Integra LS/RS B18B1 1.8L

The Flashark exhaust header is designed for the 1994-2001 Honda Acura Integra LS/RS with the B18B1 1.8L engine, offering a significant performance boost. Crafted from high-quality stainless steel with a mirror polish surface, this 4-2-1, 1-piece JDM Type-R Style Integra header enhances exhaust flow, improving engine efficiency and power. With a 2.5" outlet diameter, it’s built for both performance and durability. 

Specifications:

Brand Name: Flashark
Certificate: ISO9001:2000
Application: Automobile Exhaust Header
Material: Stainless Steel
Surface: Mirror Polish
4-2-1; 1-piece JDM Type-R Style design
2.5" outlet diameter

Why Upgrade from Stock Exhaust Manifolds on the Acura Integra B18B1?

From the factory, the Acura Integra B18B1 uses a cast iron exhaust manifold designed for quiet operation, emissions compliance, and low manufacturing cost rather than performance. Upgrading to performance integra headers improves exhaust flow efficiency and unlocks power restricted by the stock setup.

• Restricted Exhaust Flow: Factory manifolds limit exhaust flow at higher RPM, reducing the engine’s power potential.
• Improved Exhaust Scavenging: Aftermarket B18B1 headers help clear spent exhaust gases more efficiently between combustion cycles.
• Reduced Back Pressure: Improved flow allows the engine to rev more freely with quicker throttle response.
• Supports Additional Upgrades: Enhanced exhaust flow improves the effectiveness of intakes, cat-back exhausts, and ECU tuning.

For Integra owners seeking noticeable performance gains without opening the engine, upgrading to a quality exhaust header remains one of the best power-per-dollar modifications available.

Why Choose Flashark Exhaust Headers?

Flashark exhaust headers are built for enthusiasts who want noticeable performance gains without the premium price tag of big-name brands.

Designed specifically for the Acura Integra platform, Flashark combines proven header design with durable materials to deliver reliable power, aggressive sound, and excellent value. These integra headers are engineered to be a practical, performance-focused upgrade you can trust for both street and spirited driving.

If you’re looking for B18B1 headers that balance performance, fitment, and affordability, Flashark is the smart choice.

Flashark All-in-One Kits

Often, after purchasing the 1994-2001 Honda Acura Integra LS/RS Flashark Exhaust Header, customers will also purchase other items. Come on, check out Flashark's all-in-one kits and modify your car to your heart's content!

Acura Integra & B18B1 Engine Overview

The Acura Integra is one of Honda’s most iconic compact performance platforms, known for its lightweight chassis, precise handling, and strong aftermarket support.

The B18B1 1.8L DOHC engine, found in Integra LS and RS models, is praised for its durability and smooth power delivery. While not equipped with VTEC, the B18B1 responds exceptionally well to airflow upgrades, making it an ideal candidate for performance modifications like intakes, exhaust systems, and headers.

Because the engine is naturally reliable and overbuilt from the factory, upgrading components such as integra headers allows owners to extract more performance without sacrificing long-term dependability.