
Banks Ram-Air Superiority.
Molded, streamlined filter housing. Lifetime, high-flow Banks Ram-Air filter. Flows more cool, dense ram-air into engine. Limited Warranty (filter: Lifetime Limited Warranty).
Banks Ram-Air versus stock.
The factory air filter housing has little room for air to flow around the filter. The Banks Ram-Air housing has a larger inlet and ballistic-shaped nose, which encourage the reusable air filter to freely inhale for more power.
Features:
Add an additional +19hp when combined with the Derringer L5P inline tuner for a total gain up to +80hp
New over-sized filter element, largest in its class, protects engine and outflows competition.
Enclosed housing keeps out hot, power-robbing engine air
Inhales cooler outside air for more power & MPG
Helps engine run cooler
Extends service life and requires fewer cleanings
5-year Limited Warranty (filter: Lifetime Limited Warranty)
Beats stock and the competition
Less restrictive than stock
OILED Air Filter Element
Banks Ram-Air, Big-Ass Oiled Filter, Cold Air Intake System for 2017-2019 Chevy/GMC 2500/3500 6.6L Duramax, L5P
FREE SHIPPING*


Banks Ram-Air®Big-Ass™ Oiled Filter, Cold Air Intake Systemfor 2017-2019 Chevy/GMC 2500/3500 6.6L Duramax, L5P
New
42249
Add an additional +20 hp to your 2017-2019 Duramax
Beats stock and the competition. New over-sized filter element protects engine and outflows competition. Enclosed housing keeps out hot, power-robbing engine air. Reduces soot output, decreasing the frequency between regens.
USD498.892449.00498.89
Was:$498.89
Sale:$449.00
Save:10%
Save:$49.89
Add an additional +20 hp to your 2017-2019 Duramax. Or, combine with the Derringer inline tuner for a total gain of 81 hp. Beats stock and the competition. New over-sized filter element, largest in its class, protects engine and outflows competition. Enclosed housing keeps out hot, power-robbing engine air. More airflow increases the air-fuel ratio allowing the engine to run more lean, reducing soot output, decreasing the frequency between regens.
- Adds an additional 20 hp
- Or, combine with the L5P Derringer inline tuner for a total gain of 81 hp
- New over-sized filter element, largest in its class, protects engine and outflows competition
- Beats stock and the competition
- Enclosed housing keeps out hot, power-robbing engine air
- More airflow increases the air-fuel ratio allowing the engine to run more lean, reducing soot output, decreasing the frequency between regens
- Helps engine run cooler
- Extends service life and requires fewer cleanings
- 5-year Limited Warranty
- Beats stock and the competition
- Less restrictive than stock
- OILED Air Filter Element
Emissions Compliant:D-161-138
US Patent #10,138,851 B2
Banks Ram-Air versus stock.
The factory air filter housing has little room for air to flow around the filter. The Banks Ram-Air housing has a larger inlet and ballistic-shaped nose, which encourage the reusable air filter to freely inhale for more power.
*Tests were performed on the same flow bench under the same conditions, with the MAF sensor installed.
- 42249
- 42249
- 801279422490
- Banks Non-Sale
- New
- Item Requires Shipping
- 15.0 lbs.
- W19.0000” x H11.0000” x L22.0000”
- Free Shipping!
Banks Ram-Air, Big-Ass Dry Filter, Cold Air Intake System for 2017-2019 Chevy/GMC 2500/3500 6.6L Duramax, L5P
FREE SHIPPING*


Banks Ram-Air®Big-Ass™ Dry Filter, Cold Air Intake Systemfor 2017-2019 Chevy/GMC 2500/3500 6.6L Duramax, L5P
New
42249-D
Add an additional +20 hp to your 2017-2019 Duramax
Beats stock and the competition. New over-sized filter element protects engine and outflows competition. Enclosed housing keeps out hot, power-robbing engine air. Reduces soot output, decreasing the frequency between regens.
USD498.892449.00498.89
Was:$498.89
Sale:$449.00
Save:10%
Save:$49.89
Add an additional +20 hp to your 2017-2019 Duramax. Or, combine with the Derringer inline tuner for a total gain of 81 hp. Beats stock and the competition. New over-sized filter element, largest in its class, protects engine and outflows competition. Enclosed housing keeps out hot, power-robbing engine air. More airflow increases the air-fuel ratio allowing the engine to run more lean, reducing soot output, decreasing the frequency between regens.
- Adds an additional 20 hp
- Or, combine with the L5P Derringer inline tuner for a total gain of 81 hp
- New over-sized filter element, largest in its class, protects engine and outflows competition
- Beats stock and the competition
- Enclosed housing keeps out hot, power-robbing engine air
- More airflow increases the air-fuel ratio allowing the engine to run more lean, reducing soot output, decreasing the frequency between regens
- Helps engine run cooler
- Extends service life and requires fewer cleanings
- 5-year Limited Warranty
- Beats stock and the competition
- Less restrictive than stock
- DRY Air Filter Element
Emissions Compliant:D-161-138
US Patent #10,138,851 B2
Banks Ram-Air versus stock.
The factory air filter housing has little room for air to flow around the filter. The Banks Ram-Air housing has a larger inlet and ballistic-shaped nose, which encourage the reusable air filter to freely inhale for more power.
*Tests were performed on the same flow bench under the same conditions, with the MAF sensor installed.
- 42249-D
- 42249-D
- 801279822498
- Banks Non-Sale
- New
- Item Requires Shipping
- 15.0 lbs.
- W19.0000” x H11.0000” x L22.0000”
- Free Shipping!
2017-2019 L5P Banks Ram-Air Cold Air Intake System

(0) Reviews: Write first review
New
42249-D
Add an additional +20 hp to your 2017-2019 Duramax
Beats stock and the competition. New over-sized filter element protects engine and outflows competition. Enclosed housing keeps out hot, power-robbing engine air. Reduces soot output, decreasing the frequency between regens.
US Patent #10,138,851 B2
50 State Compliant:
CARB E.O. D-161-118
Combine with the Derringer inline tuner for a total gain of 81 hp.
USD449.002449.00449.00
Add an additional +20 hp to your 2017-2019 Duramax. Or, combine with the Derringer inline tuner for a total gain of 81 hp. Beats stock and the competition. New over-sized filter element, largest in its class, protects engine and outflows competition. Enclosed housing keeps out hot, power-robbing engine air. More airflow increases the air-fuel ratio allowing the engine to run more lean, reducing soot output, decreasing the frequency between regens.
- Adds an additional 20 hp
- Or, combine with the L5P Derringer inline tuner for a total gain of 81 hp
- New over-sized filter element, largest in its class, protects engine and outflows competition
- Beats stock and the competition
- Enclosed housing keeps out hot, power-robbing engine air
- More airflow increases the air-fuel ratio allowing the engine to run more lean, reducing soot output, decreasing the frequency between regens
- Helps engine run cooler
- Extends service life and requires fewer cleanings
- 5-year Limited Warranty
- Beats stock and the competition
- Less restrictive than stock
- DRY Air Filter Element
Emissions Compliant: D-161-118
US Patent #10,138,851 B2
- Item Requires Shipping
- 15.0 lbs.
- W19.0000” x H11.0000” x L22.0000”
Total Reviews (0)
Copyright © 2021 Wehrli Custom Fabrication - WCFab. All Rights Reserved.
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L5p intake banks
Banks uses an oversized oiled air filter element that not only extends service life and requires fewer cleanings, it completely outflows the competition. Take full advantage of the Banks 42249 Ram-Air Intake System by combining it with the Banks Derringer Tuner for an additional 19HP! Banks backs their Ram-Air Intake System with a 5 year limited warranty.
Features:
- Increased Power
- CARB EO# D-161-118
- Bolt-On Intake System
- Oiled Reusable Oversized Filter
- Outflows Factory Intake By 352-CFM!
- Enhances the Derringer Tuner with +19HP
YEAR | MAKE | ENGINE |
---|---|---|
2017 | Chevy | 6.6L L5P Duramax |
2018 | Chevy | 6.6L L5P Duramax |
2019 | Chevy | 6.6L L5P Duramax |
2017 | GMC | 6.6L L5P Duramax |
2018 | GMC | 6.6L L5P Duramax |
2019 | GMC | 6.6L L5P Duramax |
- MFG. Number42249
- Manufacturer NameBanks Power
- Shipping Weight28.00 lb.
- Shipping Length19 in.
- Shipping Width22 in.
- Shipping Height11 in.
- Fuel TypeDiesel
- EO NumberD-161-118
- Filter MediaOiled
- Filter TypeWashable & Reusable
- Intake StyleEnclosed Air Box
- UPC801279422490
- WarrantyYes
- Warranty Info5 Year Limited
- Prop 65
WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov
5.0/5 Stars out of 2 Reviews
★★★★★5
Yellow_hellcat1 (East Lyme Connecticut) | June 6th, 2020
The ram air intake was an extremely easy install I can hear the Turbo a little more now and the intake air temps are the same as the actual air temperature I also feel like the truck is more responsive all and all a great buy
★★★★★5
James (Ohio) | April 27th, 2020
The system was easy to install, gives it a better sound, and can feel better throttle response. Worth every penny
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Banks Cold Air Ram Air Intake System 2017-2019 L5P Duramax
Features
- Adds an additional 20 hp
- Gain a total of 81 hp when combined with the Derringer L5P inline tuner
- New over-sized filter element, largest in its class, protects engine and outflows competition.
- Enclosed housing keeps out hot, power-robbing engine air
- Decreases frequency between regens
- Helps engine run cooler
- Extends service life and requires fewer cleanings
- 5-year Limited Warranty (filter: Lifetime Limited Warranty)
- Beats stock and the competition
- Less restrictive than stock
- OILED Air Filter Element
Banks Ram-Air Superiority.
Molded, streamlined filter housing. Lifetime, high-flow Banks Ram-Air filter. Flows more cool, dense ram-air into the engine. Limited Warranty (filter: Lifetime Limited Warranty).
Banks Ram-Air versus stock.
The factory air filter housing has little room for air to flow around the filter. The Banks Ram-Air housing has a larger inlet and ballistic-shaped nose, which encourage the reusable air filter to freely inhale for more power.
What does it sound like?!
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