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Built for the New-Generation HEMI: Sealed Cold Air for 2019 to 2021 Ram 1500
The Corsa 46557-1 MaxFlow 5 Closed Box Air Intake is purpose-built for the 2019 and newer Ram 1500 DT-platform trucks equipped with the 5.7L HEMI V8. Unlike earlier Ram intakes, the 46557-1 is engineered specifically for the redesigned 2019 and newer engine bay layout, ensuring correct fitment and maximum performance on the new-generation 1500. Corsa's cross-linked polyethylene sealed housing blocks hot underhood air, while the MaxFlow 5 five-layer oiled cotton gauze filter delivers 98 percent filtration efficiency and a 26 percent airflow improvement over the factory airbox. The result is up to 11 additional horsepower and 11 lb-ft of torque on the 5.7L HEMI with zero tuning required.
Key Features
- Corsa 46557-1 closed box intake purpose-built for 2019 to 2021 Ram 1500 DT platform
- MaxFlow 5 five-layer oiled cotton gauze filter, 98% filtration efficiency
- Re-oil filter every 25,000 miles
- Cross-linked polyethylene sealed housing eliminates heat soak
- Up to plus 11 HP and plus 11 lb-ft torque on 5.7L HEMI
- Plus 26 percent airflow over factory intake
- Direct bolt-on, no tune required
- All silicone couplers, stainless steel clamps, hardware included
- Made in the USA
- Non-CARB compliant (not for sale in California)
Vehicle Fitment
| Year Range | Make | Model | Trim |
|---|---|---|---|
| 2019-2021 | Ram | 1500 | Big Horn, Laramie, Laramie Longhorn, Limited, Lone Star, Rebel, Tradesman |
| 2020-2021 | Ram | 1500 | Special Service |
Specifications
| Detail | Value |
|---|---|
| Part Number | 46557-1 |
| Filter Type | MaxFlow 5 Oiled Cotton Gauze |
| Filter Maintenance | Re-oil every 25,000 miles |
| Filtration Efficiency | 98% |
| Horsepower Gain | Up to +11 HP |
| Torque Gain | Up to +11 lb-ft |
| Airflow Improvement | +26% over stock |
| Housing Material | Cross-Linked Polyethylene |
| CARB Status | Non-CARB compliant |
| Tune Required | No |
| UPC | 847087019410 |
What's Included
- Corsa 46557-1 closed intake housing with MaxFlow 5 oiled filter pre-installed
- Cross-linked polyethylene intake tube
- Silicone couplers and stainless steel clamps
- All mounting hardware and brackets
- Installation instructions
About Corsa Performance
Corsa Performance has manufactured performance exhaust and intake systems in Berea, Ohio since 1990, with every product backed by dyno-proven results and engineered for factory-level fit and finish with zero permanent modifications to the vehicle.
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Frequently Asked Questions
What is the Corsa 46557-1?The Corsa 46557-1 is a closed box MaxFlow 5 cold air intake system designed for 2019 to 2021 Ram 1500 trucks equipped with the 5.7L HEMI V8 on the new DT platform. It delivers up to 26 percent greater airflow and up to 11 additional horsepower over the factory intake.
What is the difference between the 46457 and the 46557-1?The 46457 fits 2013 to 2018 Ram 1500 and the 2019 Ram 1500 Classic body style, while the 46557-1 is designed specifically for the 2019 and newer new-generation Ram 1500 DT platform. They are not interchangeable due to different engine bay layouts.
Is the 46557-1 CARB compliant?No. The 46557-1 is not CARB certified and is not legal for sale or use in California.
Does the 46557-1 require a tune?No. The Corsa 46557-1 installs directly without any ECU tune for proper operation.
How often does the MaxFlow 5 filter need service?Re-oil the MaxFlow 5 filter every 25,000 miles and wash and re-oil every 40,000 miles.
Does this fit the 2020 or 2021 Ram 1500?Yes. The 46557-1 fits 2019 to 2021 Ram 1500 trucks on the DT platform with the 5.7L HEMI V8.
Will this fit the Ram 1500 TRX?No. The Ram 1500 TRX uses a supercharged 6.2L V8, not the 5.7L HEMI, and requires a completely different intake system.
How long does installation take?Installation takes approximately 30 minutes using basic hand tools. All hardware and instructions are included in the kit.
Installation Overview
- Disconnect the mass airflow sensor and breather hose from the factory airbox
- Remove the factory airbox lid and filter
- Place the Corsa 46557-1 housing in position and secure with the factory mounting hardware
- Attach the intake tube to the housing and throttle body with supplied silicone couplers and clamps
- Reinstall the mass airflow sensor on the new intake tube
- Reconnect all hoses and tighten all clamps
- Start the engine and inspect all couplers for air leaks
Prop 65 Warning: This product can expose you to chemicals including nickel compounds, which are known to the State of California to cause cancer, and carbon monoxide, which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
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