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UnderDog Diesel » 2025, Chevrolet, Silverado 2500
Products for:
- Year: 2025
- Make: Chevrolet
- Model: Silverado 2500
View Universal items for: 2025 Chevrolet Silverado 2500
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This item ships Ground regardless of shipping method selected. No exceptions.
Price: $685.00
No Image Available
This item ships Ground regardless of shipping method selected. No exceptions.
Price: $785.00
NEW!
Description: This kit is an upgrade to an existing cheap Kit, this is not a complete kit by itself.
Item #: L5P-COOLANT-BYPASS-UPGRADE
Condition:
New
Price: $269.00
Lead Time may Vary
Price: $799.99
Resonator Delete
Description: 3D Printed in House
Extra Durable ASA Plastic infused with Carbon Fiber
No Tuning Needed
Item #: DogBone-L5P-RES
Condition:
New
Price: $19.99
Oil Filler Neck
Description: This kit is a replacement for aftermarket CCV kits, such as the old JZM, DNA Distributors, SPELAB, VSE Kits.
6.875" Tall, ~ 1" Taller than other kits on the market. (2.5" Taller than the Old JZM Kit)
Cam-Lock Cap w/ O-ring Seal
Item #: JZM-L5P-OILFILL-KIT
Condition:
New
Not Available
Price: $179.99
Description: Filters Included
Item #: VSE-L5P-FSS
Condition:
New
Raw Aluminum - 5 business day lead time | Midnight Black - 10-15 business day lead time | Ground shipping only
Price: $478.99
NEW!
Description: Includes:
-Install Kit
-Banks Oil Pan with Pre-Installed Oil Drain (If truck is equipped with a lift kit, or you already have an aftermarket Oil Pan, please contact us)
-10 Bar MAP Sensor Kit...More Details »
Item #: VSE-17-26-L5P-COMPOUND-KIT
Condition:
New
Free Ground Shipping
Price: $7,199.00
Item #: VSE-ITK-HRN-STOCK-65
Condition:
New
Lead time may vary.
Price: $299.00
No Image Available
This item ships Ground regardless of shipping method selected. No exceptions.
Price: $485.00
No Image Available
Price: $400.00
Catch Can Kit
Description: Fits:
ALL 2020-2026 6.6L GM Duramax equipped pickup trucks
ALL 2020-2026 6.6L GM Duramax equipped cab and chassis models.
Works with stock CCV & Aftermarket CCV Kits*
*If the truck is a...More Details »
Item #: VSE-20-24-L5P-CC
Condition:
New
(Raw - Ships in 3-5 Business Days)
(Midnight Black - Estimated 10-15 Business Day Lead Time)
Price: $399.99
Description: Will NOT fit Pro Model Truck
Item #: UDD-2024-52MM-Mount-D
Condition:
New
Price: $85.00
Description: Will NOT fit Pro Model Truck
Item #: UDD-2024-52MM-Mount-S
Condition:
New
Price: $65.00
NEW!
Description: Quality Parts and Tuning, not a Cheap Chinese Kit.
All Tuning is via the TDN App, no Laptop Required!
All SALES OF THIS PRODUCT ARE FINAL. NO REFUNDS, RETURNS, OR EXCHANGES PERMITTED.
Item #: 24-L5P-Performance-Kit
Condition:
New
Free Ground Shipping
Price: $4,669.90
Description: Fitment Note:
Stock Cold Side Piping
WCFAB Cold Side Piping (Uses Billet Adapter/Coupler that came with the WCFAB Piping)
Item #: 24-25-TV-UPG-STOCK
Condition:
New
Limited Supply: Only 3 Left!
Price: $259.99
Item #: GEN2-L5P-PEDESTAL-KIT
Condition:
New
ETA - May 2026
(Do Not Order if you CANNOT wait.)
Price: $449.99
Description: - Airflow Capable of Supporting up to 700HP
- Custom Billet Compressor Wheel
- Turbine Wheel and Nozzle Ring Upgrades
- Improved EGT Control
- Compressor and turbine wheel durability upgrades...More Details »
Item #: DM1QQ1070200000
Condition:
New
Price: $3,100.00
Description: - Airflow capable of supporting up to 750HP
- Compressor and turbine wheel durability upgrades
- Custom Billet compressor wheel
- Turbine Wheel and Nozzle Ring Upgrades
- Major top end EGT...More Details »
Item #: DM1QQ1070303000
Condition:
New
Price: $3,500.00
Description: - Extra airflow to make 80-100rwhp over 'Tune only' L5P
- Works with box tuners, custom tuning, or without tuning
- Major EGT control improvements compared to stock
- Built to last with more...More Details »
Item #: DM1QQ1070103000
Condition:
New
Price: $2,400.00
Raw - 5-7 Business Day Lead Time | Black - 10-20 Business Day Lead Time
Price: $398.99
This item is non-returnable. Sales are final.
Price: $129.00
Description: Allows for complete removal of the flexible line
Caps off the hardline at the frame.
Truck must be tuned for off-road use only.
Item #: UDD-D49-9.49
Condition:
New
In stock.
Price: $5.99
Injection Pump
Item #: AP54951
Condition:
New
Price: $831.12
Injection Pump
Item #: AP54950
Condition:
New
Price: $613.34
Running Board
Description: PowerStep Plug-N-Play Automatic Power-Deploying Running Boards fits 2022 Chevy Silverado 1500/GMC Sierra 1500 Double/Crew Cab; Includes Gas and Diesel Fits: 2022 Chevrolet Silverado 1500 Crew Cab...More Details »
Item #: 76255-01A
Condition:
New
Price: $1,799.99
MAP Sensor Spacer
Description: Extends MAP Sensor Life
Protects sensor from soot buildup
Lower & Upper MAP Sensor Relocator
FOR 2023-2025 CHEVY/GMC 2500/3500 6.6L L5P
This is for both MAP Sensors, if you already have the upper, please purchase 64414
Item #: 64415
Condition:
New
Price: $143.33
Sale: $129.00
Save: 10%
Save: $14.33
MAP Sensor Spacer
Description: Extends MAP Sensor Life
Protects sensor from soot buildup
Lower MAP Sensor Relocator
FOR 2023-2025 CHEVY/GMC 2500/3500 6.6L L5P
This is for the lower MAP sensor only. This kit is intended for...More Details »
Item #: 64414
Condition:
New
Price: $76.67
Sale: $69.00
Save: 10%
Save: $7.67
MAP Sensor Spacer
Description: Extends MAP Sensor Life
Protects sensor from soot buildup
MAP Sensor Relocator
FOR 2017-2025 CHEVY/GMC 2500/3500 6.6L L5P
Item #: 64410
Condition:
New
Not Available
Price: $76.67
Sale: $69.00
Save: 10%
Save: $7.67
Description: Banks iDash Pro, Universal CAN, Stand-Alone for ALL 2008+ OBDII CAN bus vehicles Note: Universal CAN, Stand-Alone Standard 52mm size
Mount Not Included, Checkout the 3D Print Tab for our in...More Details »
Item #: 66710
Condition:
New
Price: $419.00
Description: -Huge increase in size and flow over stock and competitors (3.5" vs 2.5")
-Hot Side flows 490 CFM @ 12" vs stock 388 CFM
-Cold Side flows 635 CFM @ 12" vs stock 435 CFM
-Constant 3.5in diameter...More Details »
Item #: 26005
Condition:
New
Price: $775.56
Sale: $698.00
Save: 10%
Save: $77.56
Engine Oil Pan
Description: For 2020-2026 Chevy/GMC 2500/3500 6.6L Diesel L5P
If the truck has a lift kit, contact us to verify fitment before purchase.
Item #: 35137-B
Condition:
New
Currently on Back Order
Price: $476.67
Sale: $429.00
Save: 10%
Save: $47.67
Description: iDash Pro Required! Not included. DOES NOT WORK WITH IDASH SUPERGAUGE OR DATAMONSTER
-Adds 86 hp and 178 lb-ft at the wheels
-6 power levels that can be changed on-the-fly via iDash...More Details »
Item #: 67137
Condition:
New
Estimated to ship Early August
Price: $1,086.67
Sale: $978.00
Save: 10%
Save: $108.67
Description: -Adds 86 hp and 178 lb-ft at the wheels
-6 power levels that can be changed on-the-fly via iDash
-Interfaces with OBD (On-Board Diagnostics) to communicate with vehicle's ECM
-Warranty friendly:...More Details »
Item #: 67128
Condition:
New
Estimated to ship Early August
Price: $1,642.22
Sale: $1,478.00
Save: 10%
Save: $164.22
Description: -Adds 86 hp and 178 lb-ft at the wheels
-6 power levels that can be changed on-the-fly via iDash
-Interfaces with OBD (On-Board Diagnostics) to communicate with vehicle's ECM
-Warranty friendly:...More Details »
Item #: 67108
Condition:
New
Price: $1,553.33
Sale: $1,398.00
Save: 10%
Save: $155.33
Turbo Inlet Horn, Intake Manifold
Description: The Banks Monster-Ram Turbo Inlet for the 2017-2025 Duramax L5P is the only intake elbow that outperforms stock without the destructive effects of turbo surge. More than a year in development, the...More Details »
Item #: 42792-N
Condition:
New
50-State Emission Compliant CARB-EO D-161-158
Price: $321.11
Sale: $289.00
Save: 10%
Save: $32.11
Turbo Inlet Horn, Intake Manifold
Description: The Banks Monster-Ram Turbo Inlet for the 2017-2025 Duramax L5P is the only intake elbow that outperforms stock without the destructive effects of turbo surge. More than a year in development, the...More Details »
Item #: 42792-R
Condition:
New
Limited Supply: Only 4 Left!
50-State Emission Compliant CARB-EO D-161-158
Price: $332.22
Sale: $299.00
Save: 10%
Save: $33.22
Banks Power Pedal Monster Throttle Sensitivity Booster for Use w/ Exst. iDash - 2020+ GM 2500/3500HD
Throttle Assist
Description: PedalMonster, Throttle Sensitivity Booster for use with existing iDash and/or Derringer for 2020+ GM 2500/3500HD
Item #: 64311
Condition:
New
Price: $354.44
Sale: $319.00
Save: 10%
Save: $35.44
Description: For 2020-2026 Chevy/GMC 2500/3500 6.6L Diesel
with 10 speed Allison 10L1000 Transmission
Will NOT work with AEV skid plates.
Item #: 35148-B
Condition:
New
Not Available
Price: $476.67
Sale: $429.00
Save: 10%
Save: $47.67
Pitman Arm Support
Item #: 110-90772
Condition:
New
Price: $259.95
Description: Easy Installation
No trimming is required to install if leaving off the factory mud guards
Mild steel silver zinc plating for corrosion resistance
30-minute DIY install time
Made in the USA...More Details »
Item #: 110-91193
Condition:
New
Price: $99.95
Description: L5P CP3 Conversion Kit with 10mm CP3 pump.
Item #: D06-C10-146
Condition:
New
Price: $3,250.00
Sale: $3,217.50
Save: 1%
Save: $32.50
Description: L5P CP3 Conversion Kit with 12mm CP3 pump.
Item #: D06-C12-146
Condition:
New
Price: $3,750.00
Sale: $3,712.50
Save: 1%
Save: $37.50
Description: L5P CP3 Conversion Kit with 14mm CP3 pump.
Item #: D06-C14-146
Condition:
New
Price: $4,250.00
Sale: $4,207.50
Save: 1%
Save: $42.50
HP Tuners Custom Tuning
Description: All SALES OF THIS PRODUCT ARE FINAL. NO REFUNDS, RETURNS, OR EXCHANGES PERMITTED.
MPVI4 or RTD4 REQUIRED for use with the TDN App, any other model of HP Tuners Device will not work....More Details »
Item #: DSP-GM-HPT-24
Condition:
New
Price: $1,650.00
HP Tuners Custom Tuning
Description: All SALES OF THIS PRODUCT ARE FINAL. NO REFUNDS, RETURNS, OR EXCHANGES PERMITTED.
MPVI4 or RTD4 REQUIRED for use with the TDN App, any other model of HP Tuners Device will not work....More Details »
Item #: DSP-GM-HPT-24-TCM
Condition:
New
Price: $350.00
Description: Tuning Required
Now with Flush Flange at the Turbocharger
Item #: 255-01301
Condition:
New
Price: $335.00
Item #: 255-04604
Condition:
New
Price: $749.99
NEW!
Description: Universal Fitment
Fits 4" Systems
20" Length
Item #: 555-03401
Condition:
New
Price: $175.00
NEW!
Description: Universal Fitment
Fits 5" Systems
20" Length
Item #: 555-03501
Condition:
New
Price: $205.00
Item #: DMAX-BFC-6.6 + DMAX-BDC-2024
Condition:
New
Price: $90.48
Cap for L5P Intake Horn
Description: Fits L5P Intake Horn PCV Provision
Item #: DogBone-7/8-L5P-CAP-KIT
Condition:
New
Price: $17.89
L5P Coolant Cap Kit
Description: Replacement for Cheap Vacuum Plugs in 'Fix Kits'
Item #: DogBone-1/4-L5P-COOLANT-CAP-KIT
Condition:
New
Price: $8.49
Description: -M8-1.25 thread size, 30mm thread length
-220+ KPSI tensile strength
-12-point bolt head
-Black oxide finish
-Lube Pack
Item #: DogBone-UPBK-L5P
Condition:
New
Price: $23.99
Pigtail
Item #: FPE-HAR-CUMM-ALT-0722
Condition:
New
Price: $20.99
Description: 2020+ L5P Fuel Filter Upgrade Kit For Short Bed Applications and 2024 Regular Cab Long Bed Applications
Item #: FPE-L5P-FFBA-20
Condition:
New
Price: $261.45
Sale: $249.00
Save: 5%
Save: $12.45
Item #: FPE-L5P-MAP-SPR
Condition:
New
Price: $68.99
Item #: FPE-L5P-MAP-SPR-24
Condition:
New
Price: $68.99
Description: Tune your 2024-2026 Silverado/Sierra 2500/3500 with the 6.6L L5P Duramax (E42 ECM) now using HP Tuners’ VCM Suite! This service is required to upgrade the E42 ECM in these diesel trucks for...More Details »
Item #: ECM-E42-L5P-U
Condition:
New
Lead Time is 7-12 Business Days once HP Tuners receives your ECM (not including shipping)
A shipping form will be emailed to you after purchase. Please ensure correct email at checkout to prevent further delays.
Price: $999.99
Description: HP Tuners is thrilled to offer support for the GM Global B T93 TCM found in various GM vehicles equipped with the GM 10L80 10-speed transmission. This upgrade service is required to enable...More Details »
Item #: TCM-GB-T93-UO
Condition:
New
Lead Time is 3-5 Business Days once HP Tuners receives your ECM (not including shipping)
A shipping form will be emailed to you after purchase. Please ensure correct email at checkout to prevent further delays.
Price: $399.99