This Borla cat-back exhaust system is built for the verified 2015-2020 Dodge Challenger SRT Hellcat application listed below. Select it by exact manufacturer part number 140646 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, with mandrel bends for maximum flow, durability, and corrosion resistance.
- ATAK Sound: Provides aggressive, race-inspired exhaust tone recognized by enthusiasts, with functioning MDS valves for variable sound and performance.
- Merge X-Pipe Design: Enhances exhaust scavenging for power gains, improved throttle response, and refined motorsport styling.
- Straight-Through Muffler Technology: Multi-core design unleashes hidden horsepower, boosts torque, and supports longer engine life.
- Bolt-on design with precision CNC manufacturing for direct fit; no cutting or welding required.
- Leaders in stainless steel exhaust since pioneering systems for classics like Ferrari and Rolls-Royce.
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 2015-2020 | Dodge | Challenger | SRT Hellcat |
Specifications
| Manufacturer | Borla |
|---|---|
| Manufacturer Part Number | 140646 |
| Product Type | Catback |
| Sound Profile | ATAK |
| Fitment Type | Vehicle specific, verify the complete application |
What's Included
One new Borla product identified by manufacturer part number 140646. 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.
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Frequently Asked Questions
Will this Borla part fit my 2015-2020 Dodge Challenger SRT Hellcat?
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.
Borla
Shop Borla exhaust systems by exact vehicle fitment and manufacturer part number, including ATAK, S-Type and Touring cat-back and axle-back systems, T-304 stainless-steel mufflers, exhaust tips, X-pipes, mid-pipes, resonators, clamps and universal components. Use the Year/Make/Model selector or search the Borla part number to compare the correct exhaust options for your car, truck or SUV. Borla Performance Exhaust Systems Borla engineers vehicle-specific exhaust systems for sound, flow and precise fitment. Many Borla cat-back and axle-back systems use T-304 austenitic stainless steel, mandrel-bent tubing and application-specific muffler technology. Borla backs qualifying products with its Million-Mile Warranty. Construction, sound, tip finish, included hardware, warranty eligibility and emissions notes vary by part number, so verify the exact product listing before ordering. Choose Your Borla Exhaust Sound Borla ATAK ATAK is Borla's most aggressive sound level for drivers who want m...
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