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UnderDog Diesel » 2025
Products for:
- Year: 2025
View Universal items for: 2025
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No Image Available
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
No Image Available
This item ships Ground regardless of shipping method selected. No exceptions.
Price: $485.00
Item #: E04 20410
Condition:
New
Price: $3,700.00
Description: This spacer kit allows your RAM 2500 LOGIQ kit 89-12140 to work with a lifted rear ride-height between 3-6" above factory. This provides longer upper brackets and the required hardware to extend...More Details »
Item #: 89-12140-3
Condition:
New
Price: $299.95
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
No Image Available
Description: 304SS Polished Finish
(This product may ship from Canada, and may be subject to brokerage and duty fees.)
Item #: 17-26-304SS-POLISHED
Condition:
New
This item ships Ground regardless of shipping method selected. No exceptions.
Price: $1,625.00
No Image Available
Description: (This product may ship from Canada, and may be subject to brokerage and duty fees.)
Item #: 17-26-304SS
Condition:
New
This item ships Ground regardless of shipping method selected. No exceptions.
Price: $1,369.00
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
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: $7,699.00
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
Description: Fits Leaf Spring & Coil Spring Models
Will Not fit Air-Ride Suspension Models
Not for C&C
Item #: 19+-6.7C-4
Condition:
New
This item ships Ground regardless of shipping method selected. No exceptions.
Price: $685.00
No Image Available
Description: Fits Leaf Spring Trucks ONLY (not compatiable with 2500)
Will Not fit Air-Ride Suspension Models
Not for C&C
Item #: 19+-6.7C-5
Condition:
New
This item ships Ground regardless of shipping method selected. No exceptions.
Price: $785.00
No Image Available
This item ships Ground regardless of shipping method selected. No exceptions.
Price: $485.00
NEW!
Description: Includes :
- ARP Manifold Bolt Kit
- Gaskets (Turbo, EGR, Manifold)
21% Reduction in Drive Pressure (Higher Flow)
+3PSI Boost Pressure
+4 LB/M Increase in measured Air Mass
+15 Avg. HP...More Details »
Item #: VSE-LM2-LZ0-MANIFOLD
Condition:
New
Price: $995.95
No Image Available
This item ships Ground regardless of shipping method selected. No exceptions.
Price: $785.00
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
NEW!
Description: Aftermarket Charge Piping Required! Will not work with factory piping.
Item #: VSE-L5P-HP-INTERCOOLER
Condition:
New
4-6 Week Lead Time
This item ships straight from VSE.
Price: $2,599.95
Description: 47mm x 66mm Compressor (Stock is 42.5mm x 63mm)
Item #: VSE-LM2-LZ0-TURBO
Condition:
New
Price: $2,899.99
Item #: VSE-LM2-LZ0-THR-VLV
Condition:
New
Raw Aluminum - ships in 3-5 business days. Ground shipping only
Price: $149.99
Description: Fitment
ALL 2020-2026 3.0L GM Duramax equipped 1500 Sierra / Silverado
ALL 2020-2026 3.0L GM Duramax equipped SUVs
Item #: LM2-LZ0-CATCH-CAN
Condition:
New
Raw Aluminum - 3-5 days to ship. Midnight Black - 10-15 days. Ground shipping only
Price: $399.99
Description: Filters Included
Item #: VSE-LZ0-FSS-301
Condition:
New
Raw Aluminum - 5 business day lead time | Ground shipping only / Black (Anodized) - 10-15 business day lead time | Ground shipping only
Price: $478.99
No Image Available
This item ships Ground regardless of shipping method selected. No exceptions.
Price: $950.00
No Image Available
NEW!
Description: Fits most 2023–2026 Ford F250/F350 6.7L Powerstroke
Does not fit Regular Cab trucks
Includes Downpipe
Item #: 23-26-6.7F-4WM-SS
Condition:
New
This item ships Ground regardless of shipping method selected. No exceptions.
Price: $850.00
No Image Available
Description: Fits most 2023–2026 Ford F250/F350 6.7L Powerstroke
Does not fit Regular Cab trucks
Includes Downpipe
Item #: 23-26-6.7F-5-SS
Condition:
New
This item ships Ground regardless of shipping method selected. No exceptions.
Price: $925.00
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
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: $4,119.90
Description: - 4-inch, 304 stainless steel mandrel-bent tubing
- 5.5-inch, double-wall exhaust tip
- Kit comes complete with all hardware required for installation
- Available in polished and black ceramic finish
Item #: 117020420
Condition:
New
Price: $219.99
Sale: $197.99
Save: 10%
Save: $22.00
Description: - 4-inch, 304 stainless steel mandrel-bent tubing
- 5.5-inch, double-wall exhaust tip
- Kit comes complete with all hardware required for installation
- Available in polished and black ceramic finish
Item #: 117020430
Condition:
New
Price: $199.99
Sale: $179.99
Save: 10%
Save: $20.00
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
Price: $259.99
Item #: GEN2-L5P-PEDESTAL-KIT
Condition:
New
Price: $449.99
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: 3D Printed in House out of ASA-CF for a durability & heat resistance
Pack of 3 Hose Separators for 5/8" Hose
Item #: UDD-5/8-HOSE-SEP-3PACK
Condition:
New
Price: $8.99
Description: Allows for complete removal of the flexible line
Caps off the hardline at the frame.
Also can be used on the DEF Tank on 20+ Trucks.
Truck must be tuned for off-road use only.
Item #: UDD-D49-9.49
Condition:
New
Plenty in Stock.
Price: $5.99
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 #: AITP-HPT-24L5P-SMC
Condition:
New
Price: $1,800.00
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 #: AITP-HPT-24L5P-TCM
Condition:
New
Price: $350.00
Injection Pump Install Kit
Description: Includes all gaskets/seals relative to an injection pump replacement on 2011-2024 6.7L Powerstrokes
Item #: AP0190
Condition:
New
Price: $53.23
Item #: AP57022
Condition:
New
Price: $6,319.20
Item #: AP57022NP
Condition:
New
Price: $4,138.14
Injection Pump
Item #: AP54951
Condition:
New
Price: $891.77
Injection Pump
Item #: AP54950
Condition:
New
Price: $654.54
Description: Limited Support Package: This package provides access to all tunes for 4 weeks. After 4 weeks, the tunes installed in the vehicle remain. This can be upgraded to the Full Support Package at...More Details »
Item #: AMDP-23-26-POWERSTROKE-EZLYNK
Condition:
New
Price: $1,352.00
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: $1,899.99
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
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
Description: Prevents expensive stock charge pipe failure
Huge increase in size and flow over stock and competitors
Constant 3.5in diameter tubing for the best flow
Billet aluminum couplers maintain boost...More Details »
Item #: 26008
Condition:
New
Price: $598.00
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
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
Price: $1,642.22
Sale: $1,478.00
Save: 10%
Save: $164.22