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This Borla axle-back exhaust system is built for the verified 2016-2021 Chevrolet Camaro SS application listed below. Select it by exact manufacturer part number 11921 and confirm the full engine, drivetrain, body, wheelbase, factory-exhaust, and Borla application notes before ordering.
Key Features
- T-304 Stainless Steel Construction: Premium austenitic material outperforms T-400 series, ensures maximum durability, corrosion resistance, and a lifetime of performance.
- Mandrel Bent Tubing: 2.750-inch inlet and 2.500-inch outlet/tailpipe diameters with ultra-smooth bends for optimal exhaust flow, added power, and efficiency.
- Dual 4-Inch Polished Tips: T-304 stainless steel, angled dual split rear exit design fits dual-tip bumpers, adds refined motorsport styling.
- ATAK Sound Technology: Borla's most aggressive exhaust tone provides a heart-pounding soundtrack, recognized by enthusiasts for its raw power and driving excitement.
- Straight-Through Muffler Design: Patented multi-core technology unleashes hidden horsepower with increased velocity for better throttle response and torque.
- Borla system does not include NPP valves but fits vehicles with Dual Mode Exhaust (NPP) valves or dual split rear exit bumpers; use Adapter Kit 60605 to add valves.
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 2016-2021 | Chevrolet | Camaro | SS |
Specifications
| Manufacturer | Borla |
|---|---|
| Manufacturer Part Number | 11921 |
| Product Type | Axle Back |
| Sound Profile | Atak |
| Position | Rear |
| Fitment Type | Vehicle specific, verify the complete application |
What's Included
One new Borla product identified by manufacturer part number 11921. Clamps, hangers, gaskets, tips, pipes, tools, and companion parts are included only when expressly listed for this exact part number.
About Borla
Borla develops stainless-steel exhaust systems, mufflers, tips, pipes, and related components for vehicle-specific and universal performance applications. Product selection remains exact-application and exact-part-number specific.
Related Borla Products
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- Borla 2016 Chevy Camaro 6.2L AT/MT S-Type Rear Section Exhaust w/o Dual Mode Valves
- Borla 16 Chevy Camaro SS 6.2L w/ Dual NPP Atak Quad RD RL Tips Dual Exit Rear Section Exhaust
Browse the Borla collection for related exhaust systems and components.
Frequently Asked Questions
Will this Borla part fit my 2016-2021 Chevrolet Camaro SS?
That application is listed, but confirm the engine, drivetrain, body or cab style, wheelbase, factory exhaust layout, tip opening, and every Borla application note before ordering.
Will this change require an engine tune?
A cat-back, axle-back, tip, muffler, or post-catalyst component usually does not require tuning, but confirm the exact application, emissions configuration, oxygen-sensor locations, and local requirements before installation.
What should I inspect before installation?
Check the shipping carton and components against the exact part number, then inspect clamps, hangers, gaskets, mating flanges, clearances, tip alignment, and required reused factory hardware before removing the original exhaust.
Installation Instructions
Follow the current Borla instructions and vehicle service information for this exact part number. Let the exhaust cool, support the vehicle safely, compare all parts before removal, protect sensors and wiring, use the specified clamps and torque values, align all joints and tips without preload, confirm body and suspension clearance, check for leaks, and retorque after the first heat cycles. Professional installation is recommended.
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