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Kooks 1-7/8in long tube headers full view stainless steel
Kooks 2250H420 headers in secure oversized packaging
Close-up of Kooks high-flow catted connection pipes
Kooks collector design
Kooks 2250H420 merged collectors and laser cut flanges on 6.2L LS3 L99 long tube headers
Kooks 2250H420 header and green catted connection kit with gaskets hardware O2 extensions and instructions
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Kooks 10-15 Chevy Camaro LS3/L99/LSA 1 7/8in x 3in SS/ZL1 LT Headers Catted

Kooks Headers
KSH2250H420
842422149260
Headers & Manifolds
7 Units In Stock - Ships Next Business Day
$ 2,593.69 $ 2,334.32
$ 2,334.32

Kooks 1-7/8in x 3in Stainless Steel Long Tube Headers w/ High Flow Catted Connection Pipes 2010 through 2015 Chevy Camaro SS / ZL1

The Kooks 2250H420 1-7/8in x 3in Stainless Steel Long Tube Headers with High Flow Catted Connection Pipes are the best high-performance exhaust header upgrade for 2010 through 2015 Chevrolet Camaro SS (LS3/L99) and ZL1 (LSA) owners seeking maximum horsepower, torque, throttle response, and a deep, aggressive exhaust tone. Handcrafted in the USA from T304 aircraft-quality stainless steel, these long tube headers feature mandrel-bent piping, high-flow catalytic converters, and OEM-style connections for superior flow, reduced backpressure, and emissions compliance and ideal for street, strip, or track builds with dyno-proven power gains.

Key Features

  • T304 Aircraft-Quality Stainless Steel: Mandrel-bent 1-7/8in primary tubes to 3in collectors for maximum flow and durability
  • High-Flow Catted Connection Pipes: 3in x 2-1/2in high-flow catalytic converters with OEM connections, emissions compliant
  • Long Tube Design: Optimized length and collector for improved scavenging, higher horsepower, and torque
  • Mounting Hardware & Gaskets Included: Complete installation kit for direct fitment and leak-free sealing
  • Oxygen Sensor Ports: Factory-style bungs for seamless integration with stock or aftermarket O2 sensors
  • Made in USA: Handcrafted by Kooks with decades of racing heritage and NHRA/IHRA proven performance
  • Limited Lifetime Warranty: Backed by Kooks to the original purchaser for ultimate confidence

Specifications

Specification Detail
Part Number 2250H420
Primary Tube Diameter 1-7/8 inches
Collector Diameter 3 inches
Material T304 Stainless Steel
Tube Direction Down Swept
Port Shape Round
Power Range 500-750 HP
Emissions High-Flow Catted and Not Legal for Sale or Use in California
Heat Shield No
Mounting Hardware Included
Gaskets Included Yes
Country of Origin United States
Warranty Limited Lifetime (Original Purchaser)

Product Notes

  • Long tube headers with 3in x 2-1/2in high-flow catted connection pipes and OEM-style fitment
  • Designed for 2010 through 2015 Camaro SS (LS3/L99) and ZL1 (LSA) and excellent for naturally aspirated or boosted builds
  • Not legal for sale or use in California check local emissions regulations

What's Included

  • Kooks Long Tube Header Set (Left and Right)
  • Connection Pipes
  • Oxygen Sensor Bungs
  • Installation Hardware and Gaskets
  • Kooks Installation Instructions

Installation Notes

  • Estimated time: 6-10 hours, advanced difficulty, lift and professional installation recommended
  • Bolt-on design with factory mounting points use new gaskets, bolts, and proper torque specs
  • Professional tuning advised for optimal performance and air/fuel ratios

This Part Fits

Year Make Model Notes
2010 Chevrolet Camaro SS (LS3/L99) / ZL1 (LSA) and 6.2L V8
2011 Chevrolet Camaro SS (LS3/L99) / ZL1 (LSA) and 6.2L V8
2012 Chevrolet Camaro SS (LS3/L99) / ZL1 (LSA) and 6.2L V8
2013 Chevrolet Camaro SS (LS3/L99) / ZL1 (LSA) and 6.2L V8
2014 Chevrolet Camaro SS (LS3/L99) / ZL1 (LSA) and 6.2L V8
2015 Chevrolet Camaro SS (LS3/L99) / ZL1 (LSA) and 6.2L V8

Why Choose Kooks Long Tube Headers?

  • Over 50 years of racing heritage hundreds of championships and records in NHRA, IHRA, NMCA, and more
  • T304 stainless steel construction for maximum flow, durability, and corrosion resistance
  • Dyno and race-tested for real-world power gains limited lifetime warranty to original purchaser

Frequently Asked Questions

  • Q: Will this fit my 2014 Camaro SS?
    A: Yes, direct fit for 2010 through 2015 Chevrolet Camaro SS (LS3/L99) and ZL1 (LSA) models.
  • Q: Are they emissions compliant?
    A: High-flow catted not legal for sale or use in California; check local regulations.
  • Q: Is tuning required?
    A: Recommended, long tube headers improve flow; professional tune optimizes power and AFR.
  • Q: What power gains?
    A: Significant HP/torque increases 500-750 HP range with proper tuning and supporting mods.
  • Q: Do these Kooks headers require a tune after installation?
    A: Yes. A professional tune is strongly recommended after installing long tube headers. The significant improvement in exhaust flow changes air fuel ratios and requires ECM recalibration to achieve optimal power output and safe operation.
  • Q: Will Kooks headers void my factory powertrain warranty?
    A: Under the Magnuson-Moss Warranty Act, a manufacturer cannot void your vehicle warranty simply because you installed an aftermarket part unless they prove the component directly caused the failure in question. Consult your dealer for specifics.
  • Q: What warranty does Kooks provide?
    A: Kooks products are backed by a limited lifetime warranty to the original purchaser against defects in materials and workmanship. Racing and competition use applications may have specific warranty exclusions. Contact Kooks Performance directly for warranty details.
  • Q: How long does installation typically take?
    A: A typical Kooks long tube header installation takes 4 to 8 hours for an experienced mechanic with a vehicle lift. Tight clearances on specific platforms can extend install time. Always follow the included Kooks instruction sheet for your specific vehicle.

Shipping & Handling

  • Method: UPS/FedEx Freight (Oversize)
  • Availability: In stock. ships same or next business day
  • Packaging: Secure large box (41.5 x 19.5 x 14.5 inches)
  • Weight: Approx. 45 lbs

Request For Information

Have questions about Kooks 10-15 Chevy Camaro LS3/L99/LSA 1 7/8in x 3in SS/ZL1 LT Headers Catted? Fill out the form below and we'll get back to you by the next business day.
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