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A Deeper Hemi Tone Without The Freeway Drone
The B535-C535 catback exhaust gives the 5.7L Hemi RAM 1500 a stronger, more confident sound without going full aggressive. Built around True Helmholtz Technology, this 3 inch system delivers a deeper tone and better flow while keeping the cabin quiet at cruising speed.
Key Features
- 3 inch T304 stainless steel mandrel bent tubing throughout
- True Helmholtz Technology targets and cancels the low frequency resonance that causes cabin drone
- Choice of 5 inch angled tips in polished stainless or black coated finish
- Bolts directly to factory catalytic converters using OEM hangers
- No cutting, welding, or check engine lights
- Fits all RAM 1500 wheelbases except Classic trim
Fitment Table
| Year Range | Make | Model | Trim |
|---|---|---|---|
| 2019-2024 | Ram | 1500 | 5.7L Hemi, excludes Classic |
Specifications
| Detail | Value |
|---|---|
| Manufacturer Part Numbers | B535-C535, B535-C535-C |
| Pipe Diameter | 3 inch |
| Material | T304 Stainless Steel |
| Tip Style | 5 inch angled, polished or black coated |
| Construction | Mandrel bent tubing throughout |
| Drone Control | True Helmholtz Technology |
| Warranty | Lifetime Manufacturer's Warranty |
| Country of Origin | Designed, engineered, and built in the USA |
What's Included
- Mandrel bent mid pipe section
- Rear muffler section with 5 inch angled tips in your chosen finish
- Factory style hangers and clamps for a bolt on installation
About Thermal R&D
Thermal R&D designs, engineers, and builds every exhaust system in the USA, using True Helmholtz Technology to cancel unwanted cabin resonance while preserving the bold character of the engine underneath. On the RAM 1500 5.7L Hemi, that means the B535-C535 delivers a deeper tone under throttle while staying refined and drone free on long highway drives.
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FAQ
What is the B535-C535?The B535-C535 is Thermal R&D's 3 inch catback exhaust system for the 2019-2024 RAM 1500 5.7L Hemi, built with True Helmholtz Technology and available with polished or black coated tips.
What is the difference between B535-C535 and B535-C535-C?Both use the identical 3 inch mandrel bent pipe and muffler design. The B535-C535 designation refers to the polished tip finish, while the B535-C535-C is finished with black coated tips.
Does this fit the RAM 1500 Classic?No. This system fits all standard RAM 1500 wheelbases with the 5.7L Hemi but does not fit the Classic trim.
Will this exhaust trigger a check engine light?No. The system connects behind the factory catalytic converters and does not affect emissions sensors or trigger a check engine light.
Is this exhaust loud inside the cabin at highway speed?No. True Helmholtz Technology is specifically tuned to cancel the low frequency drone that causes cabin resonance on long highway drives.
Does installation require cutting or welding?No. The B535-C535 bolts directly to the factory catalytic converters using OEM hangers with no cutting or welding needed.
What is covered under the warranty?Thermal R&D backs this system with a lifetime manufacturer's warranty against defects in materials and workmanship.
Is there a louder version of this exhaust available?Yes, Thermal R&D also offers a Savage edition of this catback with a shorter, more aggressive muffler design for owners who want more volume.
Install Instructions
- Raise the vehicle and support it securely, then let the factory exhaust cool completely.
- Remove the factory catback exhaust starting at the catalytic converter connections.
- Detach the factory exhaust from the rubber isolator hangers and remove it from the vehicle.
- Install the new mid pipe section to the factory catalytic converter outlets using the supplied clamps.
- Attach the rear muffler section with your chosen tip finish to the factory hanger points.
- Align the 5 inch tips evenly at the rear of the truck before fully tightening all clamps.
- Torque all clamps to spec, then start the engine and check every joint for leaks.
Thermal R&D
Thermal R&D performance exhaust systems bring stainless steel construction, direct fit installation, and an aggressive controlled tone to American muscle, trucks, and performance SUVs at Black Ops Auto Works. Shop cat back systems, axle back systems, section 1 exhausts, mid pipes, exhaust tips, mufflers, resonators, and hardware for Corvette, Camaro, Mustang, Charger, F 150, Silverado, Bronco, and Ram. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 62 Thermal R&D SKUs across cat back systems, axle back systems, mid pipes, tips, truck exhaust, muscle car exhaust, and fitment specific hardware. Thermal R and D Exhaust Construction Thermal R&D exhaust systems use vehicle specific layouts and corrosion resistant stainless construction. Match the product to your year, engine, body style, and factory exhaust configuration. Stainless steel fit and finish Thermal R&D ex...
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