

C6 Corvette Base/Grand Sport Kooks Headers 1-3/4" with Green Cats (Street)
Boost your C6 Corvette Base or Grand Sport with the Kooks Headers 1-3/4" with Green Cats, a premier C6 Corvette performance upgrade designed for 2005-2013 models. These long tube headers C6 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 C6 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 LS2/LS3 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, O2 extensions, ARP bolts, Torca clamps), requiring no modifications for enduring performance, though tuning is recommended for optimal results.
With over 55 years of exhaust expertise, Kooks Headers & Exhaust delivers street-proven performance for your C6 Corvette. The 3" collectors improve exhaust scavenging, boosting low-end torque and high-RPM power. Whether you’re cruising in a 2005 Base model or driving a 2013 Grand Sport on the street, this header ensures reliable power and style.
Why Choose Kooks Headers 1-3/4" with Green Cats?
- C6 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
- C6 Corvette Base/Grand Sport (LS2/LS3): 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
- Product Note: Professional installation recommended
What Corvette Owners Say
“The Kooks Headers transformed my C6 Grand Sport with a huge power boost—sounds incredible!” – Marcus F.
Browse other performance exhaust solutions in our Corvette Long Tube Header Collection.
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