Kooks

C6 Corvette Kooks Axle Back Exhaust 2.5 Inch (2015-2016)

21606300

$2,191.54 $1,972.39 Save $219.15

Corvette Model

C6 Corvette Base

C6 Corvette Grand Sport

Year

2013

2012

2011

2010

2009

2008

2007

2006

2005

[{"id":1451112136714,"title":"C6 Corvette Base \/ 2013","option1":"C6 Corvette Base","option2":"2013","option3":null,"sku":"21606300","requires_shipping":true,"taxable":false,"featured_image":null,"available":true,"name":"C6 Corvette Kooks Axle Back Exhaust 2.5 Inch (2015-2016) - C6 Corvette Base \/ 2013","public_title":"C6 Corvette Base \/ 2013","options":["C6 Corvette Base","2013"],"price":197239,"weight":91172,"compare_at_price":219154,"inventory_quantity":1,"inventory_management":null,"inventory_policy":"deny","barcode":"842422141998","requires_selling_plan":false,"selling_plan_allocations":[]},{"id":1451179311114,"title":"C6 Corvette Base \/ 2012","option1":"C6 Corvette Base","option2":"2012","option3":null,"sku":"21606300","requires_shipping":true,"taxable":false,"featured_image":null,"available":true,"name":"C6 Corvette Kooks Axle Back Exhaust 2.5 Inch (2015-2016) - C6 Corvette Base \/ 2012","public_title":"C6 Corvette Base \/ 2012","options":["C6 Corvette Base","2012"],"price":197239,"weight":91172,"compare_at_price":219154,"inventory_quantity":0,"inventory_management":null,"inventory_policy":"deny","barcode":"842422141998","requires_selling_plan":false,"selling_plan_allocations":[]},{"id":1451179343882,"title":"C6 Corvette Base \/ 2011","option1":"C6 Corvette Base","option2":"2011","option3":null,"sku":"21606300","requires_shipping":true,"taxable":false,"featured_image":null,"available":true,"name":"C6 Corvette Kooks Axle Back Exhaust 2.5 Inch (2015-2016) - C6 Corvette Base \/ 2011","public_title":"C6 Corvette Base \/ 2011","options":["C6 Corvette Base","2011"],"price":197239,"weight":91172,"compare_at_price":219154,"inventory_quantity":0,"inventory_management":null,"inventory_policy":"deny","barcode":"842422141998","requires_selling_plan":false,"selling_plan_allocations":[]},{"id":1451179376650,"title":"C6 Corvette Base \/ 2010","option1":"C6 Corvette Base","option2":"2010","option3":null,"sku":"21606300","requires_shipping":true,"taxable":false,"featured_image":null,"available":true,"name":"C6 Corvette Kooks Axle Back Exhaust 2.5 Inch (2015-2016) - C6 Corvette Base \/ 2010","public_title":"C6 Corvette Base \/ 2010","options":["C6 Corvette Base","2010"],"price":197239,"weight":91172,"compare_at_price":219154,"inventory_quantity":0,"inventory_management":null,"inventory_policy":"deny","barcode":"842422141998","requires_selling_plan":false,"selling_plan_allocations":[]},{"id":1451179409418,"title":"C6 Corvette Base \/ 2009","option1":"C6 Corvette Base","option2":"2009","option3":null,"sku":"21606300","requires_shipping":true,"taxable":false,"featured_image":null,"available":true,"name":"C6 Corvette Kooks Axle Back Exhaust 2.5 Inch (2015-2016) - C6 Corvette Base \/ 2009","public_title":"C6 Corvette Base \/ 2009","options":["C6 Corvette Base","2009"],"price":197239,"weight":91172,"compare_at_price":219154,"inventory_quantity":0,"inventory_management":null,"inventory_policy":"deny","barcode":"842422141998","requires_selling_plan":false,"selling_plan_allocations":[]},{"id":1451179442186,"title":"C6 Corvette Base \/ 2008","option1":"C6 Corvette Base","option2":"2008","option3":null,"sku":"21606100","requires_shipping":true,"taxable":false,"featured_image":null,"available":true,"name":"C6 Corvette Kooks Axle Back Exhaust 2.5 Inch (2015-2016) - C6 Corvette Base \/ 2008","public_title":"C6 Corvette Base \/ 2008","options":["C6 Corvette Base","2008"],"price":211010,"weight":91172,"compare_at_price":234455,"inventory_quantity":0,"inventory_management":null,"inventory_policy":"deny","barcode":"842422141998","requires_selling_plan":false,"selling_plan_allocations":[]},{"id":1451179474954,"title":"C6 Corvette Base \/ 2007","option1":"C6 Corvette Base","option2":"2007","option3":null,"sku":"21606100","requires_shipping":true,"taxable":false,"featured_image":null,"available":true,"name":"C6 Corvette Kooks Axle Back Exhaust 2.5 Inch (2015-2016) - C6 Corvette Base \/ 2007","public_title":"C6 Corvette Base \/ 2007","options":["C6 Corvette Base","2007"],"price":211010,"weight":91172,"compare_at_price":234455,"inventory_quantity":0,"inventory_management":null,"inventory_policy":"deny","barcode":"842422141998","requires_selling_plan":false,"selling_plan_allocations":[]},{"id":1451179507722,"title":"C6 Corvette Base \/ 2006","option1":"C6 Corvette Base","option2":"2006","option3":null,"sku":"21606100","requires_shipping":true,"taxable":false,"featured_image":null,"available":true,"name":"C6 Corvette Kooks Axle Back Exhaust 2.5 Inch (2015-2016) - C6 Corvette Base \/ 2006","public_title":"C6 Corvette Base \/ 2006","options":["C6 Corvette Base","2006"],"price":211010,"weight":91172,"compare_at_price":234455,"inventory_quantity":-1,"inventory_management":null,"inventory_policy":"deny","barcode":"842422141998","requires_selling_plan":false,"selling_plan_allocations":[]},{"id":1451179540490,"title":"C6 Corvette Base \/ 2005","option1":"C6 Corvette Base","option2":"2005","option3":null,"sku":"21606100","requires_shipping":true,"taxable":false,"featured_image":null,"available":true,"name":"C6 Corvette Kooks Axle Back Exhaust 2.5 Inch (2015-2016) - C6 Corvette Base \/ 2005","public_title":"C6 Corvette Base \/ 2005","options":["C6 Corvette Base","2005"],"price":211010,"weight":91172,"compare_at_price":234455,"inventory_quantity":0,"inventory_management":null,"inventory_policy":"deny","barcode":"842422141998","requires_selling_plan":false,"selling_plan_allocations":[]},{"id":1451179573258,"title":"C6 Corvette Grand Sport \/ 2013","option1":"C6 Corvette Grand Sport","option2":"2013","option3":null,"sku":"21606300","requires_shipping":true,"taxable":false,"featured_image":null,"available":true,"name":"C6 Corvette Kooks Axle Back Exhaust 2.5 Inch (2015-2016) - C6 Corvette Grand Sport \/ 2013","public_title":"C6 Corvette Grand Sport \/ 2013","options":["C6 Corvette Grand Sport","2013"],"price":197239,"weight":91172,"compare_at_price":219154,"inventory_quantity":0,"inventory_management":null,"inventory_policy":"deny","barcode":"842422141998","requires_selling_plan":false,"selling_plan_allocations":[]},{"id":1451179606026,"title":"C6 Corvette Grand Sport \/ 2012","option1":"C6 Corvette Grand Sport","option2":"2012","option3":null,"sku":"21606300","requires_shipping":true,"taxable":false,"featured_image":null,"available":true,"name":"C6 Corvette Kooks Axle Back Exhaust 2.5 Inch (2015-2016) - C6 Corvette Grand Sport \/ 2012","public_title":"C6 Corvette Grand Sport \/ 2012","options":["C6 Corvette Grand Sport","2012"],"price":197239,"weight":91172,"compare_at_price":219154,"inventory_quantity":0,"inventory_management":null,"inventory_policy":"deny","barcode":"842422141998","requires_selling_plan":false,"selling_plan_allocations":[]},{"id":1451179638794,"title":"C6 Corvette Grand Sport \/ 2011","option1":"C6 Corvette Grand Sport","option2":"2011","option3":null,"sku":"21606300","requires_shipping":true,"taxable":false,"featured_image":null,"available":true,"name":"C6 Corvette Kooks Axle Back Exhaust 2.5 Inch (2015-2016) - C6 Corvette Grand Sport \/ 2011","public_title":"C6 Corvette Grand Sport \/ 2011","options":["C6 Corvette Grand Sport","2011"],"price":197239,"weight":91172,"compare_at_price":219154,"inventory_quantity":0,"inventory_management":null,"inventory_policy":"deny","barcode":"842422141998","requires_selling_plan":false,"selling_plan_allocations":[]},{"id":1451179704330,"title":"C6 Corvette Grand Sport \/ 2010","option1":"C6 Corvette Grand Sport","option2":"2010","option3":null,"sku":"21606300","requires_shipping":true,"taxable":false,"featured_image":null,"available":true,"name":"C6 Corvette Kooks Axle Back Exhaust 2.5 Inch (2015-2016) - C6 Corvette Grand Sport \/ 2010","public_title":"C6 Corvette Grand Sport \/ 2010","options":["C6 Corvette Grand Sport","2010"],"price":197239,"weight":91172,"compare_at_price":219154,"inventory_quantity":0,"inventory_management":null,"inventory_policy":"deny","barcode":"842422141998","requires_selling_plan":false,"selling_plan_allocations":[]},{"id":1451179737098,"title":"C6 Corvette Grand Sport \/ 2009","option1":"C6 Corvette Grand Sport","option2":"2009","option3":null,"sku":"21606300","requires_shipping":true,"taxable":false,"featured_image":null,"available":true,"name":"C6 Corvette Kooks Axle Back Exhaust 2.5 Inch (2015-2016) - C6 Corvette Grand Sport \/ 2009","public_title":"C6 Corvette Grand Sport \/ 2009","options":["C6 Corvette Grand Sport","2009"],"price":197239,"weight":91172,"compare_at_price":219154,"inventory_quantity":0,"inventory_management":null,"inventory_policy":"deny","barcode":"842422141998","requires_selling_plan":false,"selling_plan_allocations":[]},{"id":1451179769866,"title":"C6 Corvette Grand Sport \/ 2008","option1":"C6 Corvette Grand Sport","option2":"2008","option3":null,"sku":"21606100","requires_shipping":true,"taxable":false,"featured_image":null,"available":true,"name":"C6 Corvette Kooks Axle Back Exhaust 2.5 Inch (2015-2016) - C6 Corvette Grand Sport \/ 2008","public_title":"C6 Corvette Grand Sport \/ 2008","options":["C6 Corvette Grand Sport","2008"],"price":211010,"weight":91172,"compare_at_price":234455,"inventory_quantity":0,"inventory_management":null,"inventory_policy":"deny","barcode":"842422141998","requires_selling_plan":false,"selling_plan_allocations":[]},{"id":1451179802634,"title":"C6 Corvette Grand Sport \/ 2007","option1":"C6 Corvette Grand Sport","option2":"2007","option3":null,"sku":"21606100","requires_shipping":true,"taxable":false,"featured_image":null,"available":true,"name":"C6 Corvette Kooks Axle Back Exhaust 2.5 Inch (2015-2016) - C6 Corvette Grand Sport \/ 2007","public_title":"C6 Corvette Grand Sport \/ 2007","options":["C6 Corvette Grand Sport","2007"],"price":211010,"weight":91172,"compare_at_price":234455,"inventory_quantity":0,"inventory_management":null,"inventory_policy":"deny","barcode":"842422141998","requires_selling_plan":false,"selling_plan_allocations":[]},{"id":1451179835402,"title":"C6 Corvette Grand Sport \/ 2006","option1":"C6 Corvette Grand Sport","option2":"2006","option3":null,"sku":"21606100","requires_shipping":true,"taxable":false,"featured_image":null,"available":true,"name":"C6 Corvette Kooks Axle Back Exhaust 2.5 Inch (2015-2016) - C6 Corvette Grand Sport \/ 2006","public_title":"C6 Corvette Grand Sport \/ 2006","options":["C6 Corvette Grand Sport","2006"],"price":211010,"weight":91172,"compare_at_price":234455,"inventory_quantity":0,"inventory_management":null,"inventory_policy":"deny","barcode":"842422141998","requires_selling_plan":false,"selling_plan_allocations":[]},{"id":1451179868170,"title":"C6 Corvette Grand Sport \/ 2005","option1":"C6 Corvette Grand Sport","option2":"2005","option3":null,"sku":"21606100","requires_shipping":true,"taxable":false,"featured_image":null,"available":true,"name":"C6 Corvette Kooks Axle Back Exhaust 2.5 Inch (2015-2016) - C6 Corvette Grand Sport \/ 2005","public_title":"C6 Corvette Grand Sport \/ 2005","options":["C6 Corvette Grand Sport","2005"],"price":211010,"weight":91172,"compare_at_price":234455,"inventory_quantity":0,"inventory_management":null,"inventory_policy":"deny","barcode":"842422141998","requires_selling_plan":false,"selling_plan_allocations":[]}]

C6 Corvette Base/Grand Sport Kooks Axle-Back Exhaust 2.5-Inch (Street)

Transform your C6 Corvette Base or Grand Sport with the Kooks Axle-Back Exhaust 2.5-Inch (Part #21606300), a C6 Corvette sound upgrade designed for 2005-2013 models. This axle-back exhaust C6 Corvette delivers a rich exhaust tone, offering a performance boost for street enthusiasts seeking the C6 Corvette best exhaust system. Crafted from 16-gauge stainless steel with 4-inch polished stainless steel tips, it mates directly to factory exhaust flanges or Kooks long tube headers and X-pipe—shop now!

The Kooks 2.5-Inch Axle-Back is constructed from high-grade 16-gauge stainless steel, ensuring durability and corrosion resistance. Its 2.5-inch diameter enhances exhaust flow for the LS2/LS3 engine, reducing backpressure while providing a deep, aggressive tone. Designed in the USA, this system features mandrel-bent tubing for smooth airflow, delivering a performance boost without drone. It bolts on seamlessly with included hardware, requiring no modifications for lasting performance, ideal for street-driven Corvettes.

With over 55 years of exhaust expertise, Kooks Headers & Exhaust delivers street-proven performance for your C6 Corvette. The polished 4-inch tips add a sleek aesthetic, while the system’s design ensures a resonant tone. Whether you’re cruising in a 2005 Base model or driving a 2013 Grand Sport on the street, this exhaust enhances both sound and style.

Why Choose Kooks Axle-Back Exhaust 2.5-Inch?

C6 Corvette Sound Upgrade: Rich, aggressive tone for street driving
C6 Corvette Performance Boost: Reduces backpressure for improved flow
Premium Material: 16-gauge stainless steel construction
Stylish Finish: 4-inch polished stainless steel tips
Perfect Fit: Bolts to factory or Kooks headers/X-pipe
Drone-Free Design: Comfortable cruising experience
USA-Made Excellence:

What to Expect When You Choose Kooks Exhaust

Enhanced exhaust note for a thrilling drive
Improved exhaust flow for better performance
Sharper throttle response for spirited drives
Long-lasting stainless steel build
Polished tips for a sleek look
Easy bolt-on installation

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 Axle-Back gave my C6 Grand Sport a rich, aggressive tone—perfect for the street!” – Marcus F.

Browse other performance exhaust solutions in our Corvette Exhaust Collection.

Since 2007, CCA has been a trusted partner for Corvette enthusiasts, offering premium parts with dependable shipping.

Quick nationwide delivery—1-2 days for in-stock items. Kickstart your upgrade now!

Back to Corvette Kooks Headers