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UnderDog Diesel » 2026
Products for:
- Year: 2026
View Universal items for: 2026
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Items 1-38 of 38
NEW!
Item #: VSE-L5P-Y-BRIDGE
Condition:
New
Lead Time may Vary
Price: $799.99
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!
Item #: VSE-ITK-HRN-STOCK-65
Condition:
New
Lead time may vary.
Price: $299.00
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
Limited Supply: Only 3 Left!
Price: $259.99
NEW!
Item #: GEN2-L5P-PEDESTAL-KIT
Condition:
New
ETA - April 2026
(Do Not Order if you CANNOT wait.)
Price: $449.99
NEW!
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: $1,814.00
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
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
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
HP Tuners Custom Tuning
Description: All SALES OF THIS PRODUCT ARE FINAL. NO REFUNDS, RETURNS, OR EXCHANGES PERMITTED.
Item #: DSP-GM-HPT-24
Condition:
New
This product cannot ship to California.
Price: $1,650.00
Description: Tuning Required
Now with Flush Flange at the Turbocharger
Item #: 255-01301
Condition:
New
Price: $334.75
Item #: 255-04604
Condition:
New
Price: $749.99
Item #: DMAX-BFC-6.6 + DMAX-BDC-2024
Condition:
New
Price: $90.48
Item #: FPE-L5P-MAP-SPR
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 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: $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
Item #: HSP-D-605-2D-HSP-Raw
Condition:
New
Ships in 2 - 3 Weeks / Unless Informed Otherwise
Price: $320.00
Sale: $304.00
Save: 5%
Save: $16.00
Description: Fits:
2020+ Chevrolet Silverado 2500HD / 3500HD
2020+ GMC Sierra 2500HD / 3500HD
Important Fitment Details:
This system will NOT work with Aftermarket Sway Bars. Be sure to confirm your sway bar diameter is 35MM prior to purchasing.
Item #: KRUSBB-G
Condition:
New
Price: $159.99
Sale: $151.99
Save: 5%
Save: $8.00
NEW!
Description: Fits:
1988–2026 Chevrolet 1500/1500HD/2500HD/3500
1988-2026 GMC 1500/1500HD/2500HD/3500
Important Fitment Details:
Designed For HD Trucks Equipped with a Kryptonite Centerlink
K Series...More Details »
Item #: 10KR78
Condition:
New
Price: $59.99
Sale: $56.99
Save: 5%
Save: $3.00
Description: 2011+ Chevrolet Silverado 2500HD / 3500HD
2011+ GMC Sierra 2500HD / 3500HD
Item #: KRKN11
Condition:
New
Price: $99.99
Sale: $94.99
Save: 5%
Save: $5.00
Description: Fits 2020+ GM 2500/3500HD
~6400LBS Load Leveling Capacity at 150PSI
Confirmed 5th Wheel Hitch Compatibility:
OEM Puck System
GNRK1020
Item #: 88-33200
Condition:
New
Price: $899.95
NEW!
Description: The DRW Hardware Kit is needed for certain DRW (Dually) trucks for proper installation of the LOGIQ Air Spring Kit.
Required for 2017+ Ford F-350 / F-450 - DRW Trucks
Item #: 88-23XXX-DRW
Condition:
New
Price: $149.95
NEW!
Description: The DRW Hardware Kit is needed for certain DRW (Dually) trucks for proper installation of the LOGIQ Air Spring Kit.
Required for 2011+ GM 3500 - DRW Trucks
Item #: 88-33XXX-DRW
Condition:
New
Price: $59.95
Engine Oil Filter
Description: Includes:
-2x PPE GM 6.6L Duramax MicroPure XR® Engine Oil Filter (114000750)
- PPE GM 6.6L Duramax Fuel Coolant Pump Relocation Kit (114002700)
Item #: 114000750 x2 & 114002700
Condition:
New
Limited Supply: Only 0 Left!
Price: $100.00
NEW!
Description: All SALES OF THIS PRODUCT ARE FINAL. NO REFUNDS, RETURNS, OR EXCHANGES PERMITTED.
Global B T93 Unlock Service required, see suggested products below.
-MVPI4 or RTD4 required for tuning /...More Details »
Item #: VSE-GLOBAL-B-TCM-TUNE
Condition:
New
Price: $349.00
NEW!
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 #: VSE-HPT-24-26-L5P-TUNE
Condition:
New
Price: $1,000.00
Open Air Intake
Item #: 75-6002D
Condition:
New
CARB EO# -
Price: $379.00
Coolant Hose
Item #: SPE-S100163
Condition:
New
Not Available
Price: $139.00
Sale: $125.10
Save: 10%
Save: $13.90
Intake Piping Kit
Item #: SPE-S100251
Condition:
New
Raw/Micro Wrinkle Black/Polished are generally in stock, all other colors carry a 2-4 week lead time.
Price: $1,249.00
Sale: $1,124.10
Save: 10%
Save: $124.90
Description: **DOES NOT FIT EXTENDED CAB/SINGLE CAB TRUCKS/CAB AND CHASSIS TRUCKS
Upper Fuel Filter is Replaced with a Filter Delete Manifold to retain factory lines and routing under the hood.
Item #: SPE-S100210
Condition:
New
Price: $799.00
Sale: $719.10
Save: 10%
Save: $79.90
Description: Fits : 2020–2026 F-250 / F-350 / F-450 / F-550 6.7L Powerstroke
Item #: SPE-S100399
Condition:
New
Price: $399.00
Sale: $359.10
Save: 10%
Save: $39.90
Injector Hold Down
Item #: SPE-S100116
Condition:
New
Price: $459.00
Sale: $413.10
Save: 10%
Save: $45.90
Drop-In Turbocharger
Description: -Direct Drop-In
- 650 RWHP Rated w/supporting modifications
-Ultimate Choice for Stock Trucks seeking extra power & exhaust tone.
Item #: TTS-2325-6.7-GEN2-62/63
Condition:
New
Price: $3,075.00
Drop-In Turbocharger
Description: -Direct Drop-In
- 700 RWHP Rated w/supporting modifications
-Ultimate Choice for Modified Trucks seeking extra power & exhaust tone.
Item #: TTS-2325-6.7-GEN2-64/67
Condition:
New
Price: $3,175.00
Drop-In Turbocharger
Description: -Direct Drop-In
- 750 RWHP Rated w/supporting modifications
-Ultimate Choice for Modified Trucks with Stroker Pumps & Injectors seeking extra power & exhaust tone.
Item #: TTS-2325-6.7-GEN2-66/67
Condition:
New
Price: $3,250.00
Description: Will not fit AT4X and ZR2 models
Front Lift Height: 5"
Rear Lift Height: 4.5"
2 Piece Driveshafts Require P/N ZONC5612
Item #: ZONC43F
Condition:
New
Free Ground Shipping
Price: $2,071.50
Description: For Carrier Bearing Drop Mounted Below Cross-Member.
For Two-Piece Driveshafts common on CCLB Models when doing a lift kit.
Item #: ZONC5612
Condition:
New
Price: $50.95
Items 1-38 of 38