C5 Corvette Kooks Headers 1-3/4 with Green Cats (1997-2004)

Description

C5 Corvette Kooks Headers 1-3/4″ with Green Cats

Boost your C5 Corvette with the Kooks Headers 1-3/4″ with Green Cats, a premier C5 Corvette performance upgrade designed for 1997-2004 models. These long tube headers C5 Corvette optimize exhaust flow, delivering significant horsepower gains of up to 35+ HP and 25+ lb-ft of torque with a rich exhaust note for sound improvement. Featuring 1-3/4″ x 3″ headers, high-flow green cats for emissions compliance, and 3″ collectors, they’re ideal street legal headers C5 for enthusiasts—shop now!

The Kooks 1-3/4″ Headers are constructed from 304 stainless steel, ensuring durability and corrosion resistance. The 1-3/4″ primary tubes transition to 3″ collectors, enhancing exhaust flow for the LS1/LS6 engine, while high-flow green cats reduce backpressure effectively. Made in the USA with laser-cut flanges and TIG-welded joints, this system withstands tough conditions. It bolts on with included hardware (gaskets, ARP bolts, Torca clamps), requiring no modifications for enduring performance, though tuning is recommended for optimal results. Green cats are ideal for high-horsepower applications like turbo or supercharged builds, with emission fittings for street use.

With over 55 years of exhaust expertise, Kooks Headers & Exhaust delivers street-proven performance for your C5 Corvette. The 3″ collectors improve exhaust scavenging, boosting low-end torque and high-RPM power. Whether you’re cruising in a 1997 Base model or driving a 2004 Z06 on the street, this header ensures reliable power and style.

Why Choose Kooks Headers 1-3/4″ with Green Cats?

• C5 Corvette Horsepower Gains: Up to 35+ HP and 25+ lb-ft of torque
• Optimized Exhaust Flow: 1-3/4″ x 3″ long tubes with high-flow green cats
• Enhanced Scavenging: 3″ collectors for maximum efficiency
• Premium Material: 304 stainless steel construction
• Sound Improvement: Rich, aggressive tone for street driving
• Perfect Fit: Bolt-on installation with included hardware
• USA-Made Excellence:

What to Expect When You Choose Kooks Headers

• Increased horsepower for dynamic street driving
• Enhanced torque for better acceleration
• Improved throttle response for spirited drives
• Optimized exhaust flow for power gains
• Durable stainless steel build for longevity
• Seamless installation, tuning recommended

Corvette Compatibility

• C5 Corvette (LS1/LS6): 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
• Product Note: Professional installation recommended

What Corvette Owners Say

“The Kooks Headers with green cats gave my supercharged C5 Z06 a huge power boost—sounds amazing!” – Marcus F.

Browse other performance exhaust solutions in our Corvette Long Tube Header Collection.

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