Long Tube Exhaust Headers for 1997-2004 C5 Chevy Corvette LS1/LS6 5.7L

Flashark Long Tube Exhaust Headers for 1997-2004 C5 Chevy Corvette LS1/LS6 5.7L Engine

Upgrade your C5 Corvette’s performance with Flashark C5 Corvette long tube headers, designed for 1997-2004 LS1/LS6 5.7L engines. These C5 Corvette exhaust headers are made from durable 201 stainless steel with a mirror polish finish, improving exhaust flow, reducing back pressure, and enhancing horsepower while delivering a deeper, more aggressive exhaust tone.

Fitment:

1997-2004 C5 Chevy Corvette LS1/LS6 5.7L

Description:

Header:

Inlet/ Outlet Sizes: 1-7-8" OD / 3" OD
Piping Diameter: 3"

X-Pipe:

Inlet/ Outlet: 3.00"/ 2.25" ID
Piping Diameter: 3"

Details

Brand Name: FLASHARK
Certificate: ISO9001:2000
Application: Long Tube Headers
Material: 201 Stainless Steel
Surface: Mirror Polish
Model: EH28132

C5 Corvette Headers vs. Stock Exhaust Manifolds

Upgrading from the factory cast-iron manifolds to long tube headers unlocks the true performance potential of the C5 Corvette. The stock manifolds were built for cost and emissions compliance, not airflow, so they restrict exhaust pulses and limit how freely the LS1/LS6 can breathe.

• Better engine breathing: Stock manifolds create turbulence and slow exhaust flow, while long tube headers give exhaust gases a smoother, more efficient path out of the engine.
• More responsive acceleration: Reduced back pressure lets the LS engine rev quicker and react instantly to throttle input.
• A deeper, performance-driven sound: Factory manifolds mute the Corvette’s natural V8 tone. Headers unleash a stronger, more aggressive exhaust note.
• Stronger performance potential: Ideal for stock or modified builds, long tube headers support future upgrades and create a solid foundation for adding power.
• Lower heat buildup: Improved flow helps reduce heat retention, keeping temperatures more stable during spirited driving.

Why Choose Flashark Long Tube Headers?

Flashark long tube headers are engineered for C5 Corvette owners who want real performance, reliable quality, and a more exhilarating driving experience—without paying inflated premium-brand prices.

• Engineered for real gains – Designed to maximize exhaust scavenging and unlock power throughout the rev range.
• Durable stainless construction – Built to withstand high-heat environments and resist corrosion for long-lasting performance.
• Precise C5 fitment – Made specifically for the 1997–2004 Corvette, ensuring clean installation and leak-free operation.
• Unmatched value – Premium-level performance, sound, and craftsmanship at a price point that makes sense for real enthusiasts.
• Performance sound – Delivers the deep, aggressive V8 tone C5 owners expect from a long tube upgrade.

Flashark is the smart choice for enthusiasts who want proven performance, durable quality, and exceptional value in one upgrade.

Shorty Headers vs. Long Tube Headers: Chevy C5 Corvette

Shorty Headers offer a mild improvement, mainly in sound and throttle response. They’re easier to install and ideal for those seeking a simple upgrade without pushing engine performance. However, their horsepower gains are modest, and they quickly plateau.

Long Tube Headers, however, unlock the full potential of the LS engine. With longer primary tubes, they improve exhaust flow, delivering significant horsepower and torque, especially in the mid to high RPM range. Long tubes also create a deeper, more aggressive exhaust note, making them perfect for cammed, tuned, or track-focused builds.

If you're after real performance gains, long tube headers are the clear winner. For the LS1/LS6, they aren't just an upgrade—they're the performance upgrade.

Vehicle Overview: Chevy C5 Corvette LS1/LS6

The 1997–2004 Chevy C5 Corvette introduced the world to the legendary LS platform, powered by the LS1 and later the high-output LS6 V8. Lightweight, efficient, and extremely responsive to airflow improvements, these engines quickly became icons among enthusiasts and tuners.

The C5’s chassis and long runner intake design make it a naturally strong high-RPM performer—but the factory exhaust manifolds limit its breathing potential. This is why the C5 Corvette benefits more from long tube headers than many other sports cars: the LS engines react immediately to improved flow, and even a lightly modified C5 can unlock noticeable horsepower and throttle response gains.

FAQ

Q1: Do Flashark long tube headers fit all 1997–2004 C5 Corvette models?

Yes. These Flashark long tube headers are designed specifically for all LS1 and LS6-powered C5 Corvette models, including coupe, convertible, and Z06.

Q2: Do long tube headers increase horsepower on the LS1/LS6 engine?

Yes. Flashark long tube headers improve exhaust flow, which enhances engine scavenging and results in noticeable horsepower and torque gains, especially in the mid to high RPM range.

Q3: Will I need a tune after installing Flashark long tube headers?

A tune is recommended after installing long tube headers for optimal performance. It helps adjust for O2 sensor changes, preventing potential check-engine lights and ensuring better throttle response, power, and drivability.

Q4: Are Flashark long tube headers compatible with stock exhaust systems?

Yes. Flashark long tube headers come with a matching X-pipe and can connect to many stock or aftermarket cat-back systems, making them compatible with your existing exhaust setup.

Q5: How do long tube headers affect the sound of my C5 Corvette?

Long tube headers create a deeper, more aggressive V8 exhaust tone, especially under acceleration. The sound becomes more pronounced compared to the stock exhaust manifolds, giving your C5 a true performance exhaust note.

Q6: Will long tube headers lower ground clearance on my C5 Corvette?

Flashark long tube headers are designed with street usability in mind. Most C5s—including lowered versions—maintain safe ground clearance during normal driving, with only minimal impact.

Q7: Are Flashark C5 Corvette headers made from stainless steel?

Yes. Flashark long tube headers are made from high-quality, heat-resistant stainless steel with a polished finish, ensuring long-lasting durability, performance, and resistance to corrosion.

Q8: Can Flashark long tube headers improve fuel economy?

Yes, potentially. By improving exhaust flow, Flashark long tube headers can increase engine efficiency, which may lead to better highway fuel economy, depending on your driving habits.

Q9: How does Flashark long tube headers compare to other C5 Corvette header brands?

Flashark long tube headers are designed specifically for the C5 Corvette, offering excellent fitment and a reliable performance boost. Compared to other brands, Flashark headers provide a balance of premium performance, durability, and value, making them the smart choice for LS1/LS6 owners.

Q10: What performance improvements can I expect from Flashark long tube headers on my C5 Corvette?

Flashark long tube headers are designed to significantly improve exhaust flow, providing more power across the rev range. Expect gains in horsepower and torque, especially in the mid-to-high RPM range, as well as a more responsive throttle and enhanced engine sound.