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Get the best in diesel truck performance parts and accessories here at Ultra! We show you only the best of what is trending in the diesel performance parts industry! We carry the best diesel programmers, exhaust systems, cold air intakes, performance injectors, clutches, turbochargers, gauges, fuel systems and more.

Diesel Truck Performance Parts

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Alpine SBV-10-WRA 10-Inch Subwoofer for 2007-2018 Jeep Wrangler with S-A60M Amplifier, Wire kit
Alpine SBV-10-WRA 10-Inch Subwoofer for 2007-2018 Jeep Wrangler with S-A60M Amplifier, Wire kit

Car Audio or Theater

$ 579.99
Skar Audio VXF-12 D2 12" 3000 Watt Max Power Dual 2 Ohm Competition Car Subwoofer
Skar Audio VXF-12 D2 12" 3000 Watt Max Power Dual 2 Ohm Competition Car Subwoofer

Wireless

$ 269.99
Alpine 250W Powered Sub Enclosure with 10 Inch Bassline Subwoofer & Amp PWA-S10V
Alpine 250W Powered Sub Enclosure with 10 Inch Bassline Subwoofer & Amp PWA-S10V

Wireless

$ 394.95
On Sale Now!
Alpine Swt-12S4 Bass Reflex Subwoofer Tube
Alpine Swt-12S4 Bass Reflex Subwoofer Tube

Automotive Parts and Accessories

$ 149.57 $ 149.95
Alpine Two R-W10D2 R-Series 10-Inch Dual 2 Ohm Subwoofers bundle
Alpine Two R-W10D2 R-Series 10-Inch Dual 2 Ohm Subwoofers bundle

Sports

$ 389.24
Alpine PWD-X5 Compact Powered 8" Subwoofer System with 4-Channel DSP & Amp
Alpine PWD-X5 Compact Powered 8" Subwoofer System with 4-Channel DSP & Amp

Automotive Parts and Accessories

$ 519.99
On Sale Now!
Alpine Swr-t12 12-Inch 1800 Watt 4 Ohm Shallow Mount Subwoofer
Alpine Swr-t12 12-Inch 1800 Watt 4 Ohm Shallow Mount Subwoofer

Car Audio or Theater

$ 409.99 $ 430.00
Alpine W12S4 12" 750 Watt Peak 250 Watt RMS 4-Ohm Car Audio Subwoofer Sub
Alpine W12S4 12" 750 Watt Peak 250 Watt RMS 4-Ohm Car Audio Subwoofer Sub

CE

$ 59.95
Alpine R-A75M R-Series Mono Digital Amplifier - 750 Watts x 1 at 2-Ohms
Alpine R-A75M R-Series Mono Digital Amplifier - 750 Watts x 1 at 2-Ohms

Automotive Parts and Accessories

$ 325.99
Alpine PWE-S8 Slim Under-Seat 8" 120w Powered Car Truck Subwoofer Sub+Amp Kit
Alpine PWE-S8 Slim Under-Seat 8" 120w Powered Car Truck Subwoofer Sub+Amp Kit

Car Audio or Theater

$ 294.95
Alpine SWS-12D4 Ohm 12" Subwoofer Bundle
Alpine SWS-12D4 Ohm 12" Subwoofer Bundle

Wireless

$ 197.25
Alpine R-A75M R-Series Monoblock Subwoofer Amplifier - 750 Watts Rms Power with 0 Gauge Amplifier Kit
Alpine R-A75M R-Series Monoblock Subwoofer Amplifier - 750 Watts Rms Power with 0 Gauge Amplifier Kit

Wireless

$ 389.00
Alpine Two R-W12D2 R-Series 12-Inch Dual 2 Ohm Subwoofers Bundle
Alpine Two R-W12D2 R-Series 12-Inch Dual 2 Ohm Subwoofers Bundle

BISS

$ 440.91
On Sale Now!
Alpine S-W8D4 S-Series Subwoofers
Alpine S-W8D4 S-Series Subwoofers

Car Audio or Theater

$ 103.89 $ 103.90
Alpine Bass Package Type-A 10" Subwoofer, Dub 200 Watt RMS Amp, and Wiring Kit
Alpine Bass Package Type-A 10" Subwoofer, Dub 200 Watt RMS Amp, and Wiring Kit

Car Audio or Theater

$ 99.99
On Sale Now!
Alpine Subwoofer Package - Two S-W10D4 S-Series 10" Dual 4-Ohm Subwoofers
Alpine Subwoofer Package - Two S-W10D4 S-Series 10" Dual 4-Ohm Subwoofers

Car Audio or Theater

$ 247.20 $ 249.90
On Sale Now!
Alpine S-W12D2 S-Series 12" Dual 2-Ohm Subwoofer
Alpine S-W12D2 S-Series 12" Dual 2-Ohm Subwoofer

Automotive Parts and Accessories

$ 133.99 $ 144.95
On Sale Now!
Alpine X-W12D4 12-Inch Dual 4 Ohm Subwoofer
Alpine X-W12D4 12-Inch Dual 4 Ohm Subwoofer

BISS

$ 345.00 $ 379.99
On Sale Now!
Alpine R-W10D2 10" Dual 2-ohm Component Subwoofer
Alpine R-W10D2 10" Dual 2-ohm Component Subwoofer

Car Audio or Theater

$ 162.99 $ 229.95
On Sale Now!
Alpine SWT-10S2 10" Subwoofer 2 OHMS
Alpine SWT-10S2 10" Subwoofer 2 OHMS

Wireless

$ 142.99 $ 174.95
Alpine Subwoofer Package - Two S-W12D2 S-Series 12" Dual 2-Ohm Subwoofers
Alpine Subwoofer Package - Two S-W12D2 S-Series 12" Dual 2-Ohm Subwoofers

Car Audio or Theater

$ 260.91
On Sale Now!
Alpine Swr-t10 10-Inch 1800 Watt 4 Ohm Shallow Mount Subwoofer
Alpine Swr-t10 10-Inch 1800 Watt 4 Ohm Shallow Mount Subwoofer

Car Audio or Theater

$ 399.00 $ 449.95
On Sale Now!
Alpine S-W12D4 S-Series Subwoofers
Alpine S-W12D4 S-Series Subwoofers

Car Audio or Theater

$ 93.01 $ 149.95
Alpine SWT-10S4 10" Subwoofer 4OHMS
Alpine SWT-10S4 10" Subwoofer 4OHMS

Wireless

$ 97.99
On Sale Now!
Alpine SWR-8D4 8" Car Subwoofer
Alpine SWR-8D4 8" Car Subwoofer

Wireless

$ 111.99 $ 118.00
Alpine S-W10D4 S-Series 10" Dual 4-Ohm Subwoofer
Alpine S-W10D4 S-Series 10" Dual 4-Ohm Subwoofer

Automotive Parts and Accessories

$ 119.99
Alpine SWT-12S4 1500W Max (300W RMS) Single 12" Sealed Subwoofer Tube Enclosure
Alpine SWT-12S4 1500W Max (300W RMS) Single 12" Sealed Subwoofer Tube Enclosure

Automotive Parts and Accessories

$ 99.95
Alpine S-W10D2 S-Series 10" Dual 2-Ohm Subwoofer
Alpine S-W10D2 S-Series 10" Dual 2-Ohm Subwoofer

Automotive Parts and Accessories

$ 111.85
On Sale Now!
Rockford Fosgate PPS4-6 Punch Pro Single 6.5" 4-Ohm Midrange 100 Watts RMS / 200 Watts Peak
Rockford Fosgate PPS4-6 Punch Pro Single 6.5" 4-Ohm Midrange 100 Watts RMS / 200 Watts Peak

Car Audio or Theater

$ 79.95 $ 79.99
On Sale Now!
Rockford Fosgate PBR300X2 Punch 300 Watt 2 Channel Boosted Rail Amplifier
Rockford Fosgate PBR300X2 Punch 300 Watt 2 Channel Boosted Rail Amplifier

Car Audio or Theater

$ 199.95 $ 199.99
Pair of Rockford Fosgate R2D4-10 Prime R2 Dvc 4 Ohm 10-Inch 500 Watts Peak Subwoofer
Pair of Rockford Fosgate R2D4-10 Prime R2 Dvc 4 Ohm 10-Inch 500 Watts Peak Subwoofer

CE

$ 104.00
Rockford Fosgate Punch P300X1 Mono subwoofer Amplifier with Punch P1 ported Enclosure with 12" subwoofers and 4 Gauge Amplifier Power Wiring Kit and RCA Wire Bundle
Rockford Fosgate Punch P300X1 Mono subwoofer Amplifier with Punch P1 ported Enclosure with 12" subwoofers and 4 Gauge Amplifier Power Wiring Kit and RCA Wire Bundle

Car Audio or Theater

$ 529.98
Rockford Fosgate T1S-1X12 Power Single 12" T1 Slim Sealed Loaded Enclosure
Rockford Fosgate T1S-1X12 Power Single 12" T1 Slim Sealed Loaded Enclosure

Wireless

$ 639.99
Rockford Fosgate Prime R1G-10 10" Prime R1 Stamped Mesh Grille Insert for R1 10" Subwoofer Trim Rings
Rockford Fosgate Prime R1G-10 10" Prime R1 Stamped Mesh Grille Insert for R1 10" Subwoofer Trim Rings

Wireless

$ 19.99
2) ROCKFORD FOSGATE P3D4-15 15" 2400 Watt 4-Ohm Car Audio Subwoofer Sub P3D415
2) ROCKFORD FOSGATE P3D4-15 15" 2400 Watt 4-Ohm Car Audio Subwoofer Sub P3D415

Speakers

$ 559.98
2 Rockford Fosgate Punch P3D4-10 10" 2000 Watt Dual 4 Ohm Car Subwoofers Subs
2 Rockford Fosgate Punch P3D4-10 10" 2000 Watt Dual 4 Ohm Car Subwoofers Subs

Car Audio or Theater

$ 399.98
Rockford Fosgate RZR-STAGE4 600 Watt Stereo, Front and Rear Speaker, and subwoofer kit for Select Polaris RZR Models
Rockford Fosgate RZR-STAGE4 600 Watt Stereo, Front and Rear Speaker, and subwoofer kit for Select Polaris RZR Models

Wireless

$ 1,899.99
On Sale Now!
Rockford Fosgate RZR14RC-STAGE5 for Ride Command Interface, 1,000 Watt Stereo, Front and Rear Speaker, and Subwoofer Kit for Select Polaris RZR Models (2014-2019)
Rockford Fosgate RZR14RC-STAGE5 for Ride Command Interface, 1,000 Watt Stereo, Front and Rear Speaker, and Subwoofer Kit for Select Polaris RZR Models (2014-2019)

Automotive Parts and Accessories

$ 2,899.99 $ 2,969.99
(2) Rockford Fosgate R2SD4-10 10" 800 watt Prime R2 Dual 4 Ohm Voice Coil Shallow Subwoofers
(2) Rockford Fosgate R2SD4-10 10" 800 watt Prime R2 Dual 4 Ohm Voice Coil Shallow Subwoofers

Car Audio or Theater

$ 137.00
2) ROCKFORD FOSGATE P3D4-15 15" 1200 Watt 4-Ohm Car Audio Subwoofers + Sub Box
2) ROCKFORD FOSGATE P3D4-15 15" 1200 Watt 4-Ohm Car Audio Subwoofers + Sub Box

Car Audio or Theater

$ 583.89
Rockford Fosgate P300X1 Punch 300 Watt Full-Range Mono Amplifier
Rockford Fosgate P300X1 Punch 300 Watt Full-Range Mono Amplifier

Car Audio or Theater

$ 189.95
Rockford Fosgate 15" 500W Subwoofer (Pair) + Q-Power 15" Dual Sealed Enclosure
Rockford Fosgate 15" 500W Subwoofer (Pair) + Q-Power 15" Dual Sealed Enclosure

CE

$ 312.99
Rockford Fosgate X317-STAGE5 1000 Watt Stereo, Front Speaker, Subwoofer & Rear Speaker Kit for Maverick X3 Models (2017-2019)
Rockford Fosgate X317-STAGE5 1000 Watt Stereo, Front Speaker, Subwoofer & Rear Speaker Kit for Maverick X3 Models (2017-2019)

Automotive Parts and Accessories

$ 3,269.99
Rockford Fosgate T1SG-12 12" Subwoofer Slim Mesh Grill Insert for T1
Rockford Fosgate T1SG-12 12" Subwoofer Slim Mesh Grill Insert for T1

Speakers

$ 27.98
On Sale Now!
Rockford Fosgate P500X1BD Punch 500 Watt Class-bd Mono Amplifier
Rockford Fosgate P500X1BD Punch 500 Watt Class-bd Mono Amplifier

Car Audio or Theater

$ 282.07 $ 299.00
On Sale Now!
2) ROCKFORD FOSGATE P3D2-12 12" 2400 Watt 2-Ohm DVC Car Audio Subwoofer Sub
2) ROCKFORD FOSGATE P3D2-12 12" 2400 Watt 2-Ohm DVC Car Audio Subwoofer Sub

Speakers

$ 439.98 $ 473.99
2) ROCKFORD FOSGATE P1S4-12 12" 1000 Watt 4-Ohm Car Audio Subwoofers Subs P1S412
2) ROCKFORD FOSGATE P1S4-12 12" 1000 Watt 4-Ohm Car Audio Subwoofers Subs P1S412

Car Audio or Theater

$ 174.99
Rockford R1675-S R1 Prime 6.75-Inch 2-Way Component Speaker System
Rockford R1675-S R1 Prime 6.75-Inch 2-Way Component Speaker System

Car Audio or Theater

$ 64.95