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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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Rockford Fosgate T1S1-12 Power 12" T1 Slim Single 1-Ohm Subwoofer
Rockford Fosgate T1S1-12 Power 12" T1 Slim Single 1-Ohm Subwoofer

Car Audio or Theater

$ 589.99
Rockford Fosgate R2S-1X12 12" 500W Subwoofer + Enclosure + 1100W Amp + Amp Kit
Rockford Fosgate R2S-1X12 12" 500W Subwoofer + Enclosure + 1100W Amp + Amp Kit

Speakers

$ 210.99
2) Rockford Fosgate R2D4-10 10" Prime R2 1000 Watt Car Subwoofers Subs R2D410
2) Rockford Fosgate R2D4-10 10" Prime R2 1000 Watt Car Subwoofers Subs R2D410

Car Audio or Theater

$ 99.89
On Sale Now!
Rockford Fosgate PBR400X4D Punch Compact Chassis Amplifier
Rockford Fosgate PBR400X4D Punch Compact Chassis Amplifier

CE

$ 204.50 $ 213.77
On Sale Now!
Sound Storm LOPRO10 Amplified Car Subwoofer - 1200 Watts Max Power, Low Profile, 10 Inch Subwoofer, Remote Subwoofer Control, Great For Vehicles That Need Bass But Have Limited Space
Sound Storm LOPRO10 Amplified Car Subwoofer - 1200 Watts Max Power, Low Profile, 10 Inch Subwoofer, Remote Subwoofer Control, Great For Vehicles That Need Bass But Have Limited Space

Car Audio or Theater

$ 121.68 $ 121.99
On Sale Now!
Rockford Fosgate R250X4 Prime 4-Channel Amplifier
Rockford Fosgate R250X4 Prime 4-Channel Amplifier

Car Audio or Theater

$ 115.50 $ 115.68
2 Pairs of Rockford Fosgate Punch P1683 260W Peak (130W RMS) 6" x 8" Punch Series 3-Way Full Range Coaxial Speakers + Gravity Phone Magnet Holder
2 Pairs of Rockford Fosgate Punch P1683 260W Peak (130W RMS) 6" x 8" Punch Series 3-Way Full Range Coaxial Speakers + Gravity Phone Magnet Holder

CE

$ 159.98
Rockford Fosgate P2P3G-15 Punch P2 and P3 15-Inch Black Steel Mesh Woofer Grille
Rockford Fosgate P2P3G-15 Punch P2 and P3 15-Inch Black Steel Mesh Woofer Grille

Car Audio or Theater

$ 26.71
Rockford Fosgate T2S1-16 Power 16" T2 Single 1 Ohm Subwoofer T2S116
Rockford Fosgate T2S1-16 Power 16" T2 Single 1 Ohm Subwoofer T2S116

Car Audio or Theater

$ 1,499.99
Rockford Fosgate R2SD2-12 Shallow 12-Inch Prime R2 1000 Watt 2-Ohm DVC Subwoofers (Pair)
Rockford Fosgate R2SD2-12 Shallow 12-Inch Prime R2 1000 Watt 2-Ohm DVC Subwoofers (Pair)

Car Audio or Theater

$ 134.89
Skar Audio EVL-12 D4 12" 2500 Watt Max Power Dual 4 Ohm Car Subwoofer
Skar Audio EVL-12 D4 12" 2500 Watt Max Power Dual 4 Ohm Car Subwoofer

Car Audio or Theater

$ 199.99
Rockford Fosgate Punch P3S-1X12 P3S Single 12" Shallow Loaded Enclsoure Subwoofer
Rockford Fosgate Punch P3S-1X12 P3S Single 12" Shallow Loaded Enclsoure Subwoofer

Car Audio or Theater

$ 269.99
Rockford Fosgate P1694 Punch 6"x9" 4-Way Full Range Speaker (Pair)
Rockford Fosgate P1694 Punch 6"x9" 4-Way Full Range Speaker (Pair)

Car Audio or Theater

$ 93.88
On Sale Now!
Rockford Fosgate P3SD2-10 Punch P3S 10" 2-Ohm DVC Shallow Subwoofer
Rockford Fosgate P3SD2-10 Punch P3S 10" 2-Ohm DVC Shallow Subwoofer

Car Audio or Theater

$ 164.99 $ 189.99
Rockford Fosgate R600X5 Prime 5-Channel Amplifier
Rockford Fosgate R600X5 Prime 5-Channel Amplifier

Car Audio or Theater

$ 263.44
2) Rockford Fosgate P2D2-12 12" 1600W Car Subwoofers Sub + Dual Sealed Sub Box
2) Rockford Fosgate P2D2-12 12" 1600W Car Subwoofers Sub + Dual Sealed Sub Box

Speakers

$ 319.99
2 ROCKFORD FOSGATE P1S4-10 10" 1000 Watt 4-Ohm Car Audio Subwoofers Sub P1S410
2 ROCKFORD FOSGATE P1S4-10 10" 1000 Watt 4-Ohm Car Audio Subwoofers Sub P1S410

Car Audio or Theater

$ 199.00
2) Rockford Fosgate R2D4-12 Prime 12" 1000w Dual 4 Ohm Car Audio Subwoofers Subs
2) Rockford Fosgate R2D4-12 Prime 12" 1000w Dual 4 Ohm Car Audio Subwoofers Subs

Car Audio or Theater

$ 98.99
Rockford Fosgate P1S4-15 Punch P1 SVC 4 Ohm 15-Inch 250 Watts RMS 500 Watts Peak Subwoofer
Rockford Fosgate P1S4-15 Punch P1 SVC 4 Ohm 15-Inch 250 Watts RMS 500 Watts Peak Subwoofer

Car Audio or Theater

$ 139.99
On Sale Now!
Rockford Fosgate P3SD4-8 Punch P3S 8" 4-Ohm DVC Shallow Subwoofer
Rockford Fosgate P3SD4-8 Punch P3S 8" 4-Ohm DVC Shallow Subwoofer

Car Audio or Theater

$ 149.99 $ 169.99
Rockford Fosgate R2 Ultra Shallow 12-Inch 2 Ohm DVC Subwoofer
Rockford Fosgate R2 Ultra Shallow 12-Inch 2 Ohm DVC Subwoofer

Car Audio or Theater

$ 70.84
On Sale Now!
Rockford Fosgate P1S2-10 Punch P1 SVC 2-Ohm 10-Inch 250 Watt RMS 500 Watt Peak Subwoofer
Rockford Fosgate P1S2-10 Punch P1 SVC 2-Ohm 10-Inch 250 Watt RMS 500 Watt Peak Subwoofer

Car Audio or Theater

$ 84.99 $ 99.99
Rockford Fosgate Prime 750 Watt Class D 1 channel Amplifier
Rockford Fosgate Prime 750 Watt Class D 1 channel Amplifier

Car Audio or Theater

$ 229.39
Rockford Fosgate 12" 500W Subwoofer + Sealed Sub Box + Boss Riot 1100W Amplifier
Rockford Fosgate 12" 500W Subwoofer + Sealed Sub Box + Boss Riot 1100W Amplifier

Automotive Parts and Accessories

$ 165.89
Rockford Fosgate P2P3G-10 Punch P2 and P3 10-Inch Black Steel Mesh Woofer Grille
Rockford Fosgate P2P3G-10 Punch P2 and P3 10-Inch Black Steel Mesh Woofer Grille

Car Audio or Theater

$ 20.96
Rockford Fosgate R1S4-10 10" Prime 300 Watt 4-Ohm SVC Subwoofer + Sealed Box
Rockford Fosgate R1S4-10 10" Prime 300 Watt 4-Ohm SVC Subwoofer + Sealed Box

Speakers

$ 74.95
Rockford Fosgate P300-10 10" 300W Sealed Powered Subwoofer/Sub Enclosure+Amp Kit
Rockford Fosgate P300-10 10" 300W Sealed Powered Subwoofer/Sub Enclosure+Amp Kit

Automotive Parts and Accessories

$ 259.99
Rockford Fosgate P2P3G-12 Punch P2 and P3 12-Inch Black Steel Mesh Woofer Grille
Rockford Fosgate P2P3G-12 Punch P2 and P3 12-Inch Black Steel Mesh Woofer Grille

Car Audio or Theater

$ 19.96
Rockford Fosgate 12" 500W Subwoofer + Shallow Enclosure + Amplifier & Wire Kit
Rockford Fosgate 12" 500W Subwoofer + Shallow Enclosure + Amplifier & Wire Kit

Automotive Parts and Accessories

$ 179.99
Rockford Fosgate T1D410 Power 10" T1 4-Ohm DVC Subwoofer
Rockford Fosgate T1D410 Power 10" T1 4-Ohm DVC Subwoofer

Wireless

$ 429.99
Rockford Fosgate Punch P3S-1X10 P3S Single 10" Shallow Loaded Enclosure Subwoofer
Rockford Fosgate Punch P3S-1X10 P3S Single 10" Shallow Loaded Enclosure Subwoofer

Car Audio or Theater

$ 239.99
2) Rockford Fosgate P2D2-12 12" 1600W Car Subwoofers Sub + Dual Vented Sub Box
2) Rockford Fosgate P2D2-12 12" 1600W Car Subwoofers Sub + Dual Vented Sub Box

Car Audio or Theater

$ 339.89
Rockford Fosgate 10" 500W Complete Subwoofer Bass Package - Includes Loaded Subwoofer Enclosure, Amplifier Wiring Kit, Amplifier
Rockford Fosgate 10" 500W Complete Subwoofer Bass Package - Includes Loaded Subwoofer Enclosure, Amplifier Wiring Kit, Amplifier

Musical Instruments

$ 149.95
On Sale Now!
Rockford R12X10 10-Inch 400 Watt Dual Loaded Enclosure, Set of 2
Rockford R12X10 10-Inch 400 Watt Dual Loaded Enclosure, Set of 2

Car Audio or Theater

$ 179.95 $ 219.99
Rockford Fosgate R150X2 Prime 2-Channel Amplifier
Rockford Fosgate R150X2 Prime 2-Channel Amplifier

Car Audio or Theater

$ 82.42
On Sale Now!
2) ROCKFORD FOSGATE R2SD4-12 12" 1000W Car Shallow Mount Slim Subwoofers Subs
2) ROCKFORD FOSGATE R2SD4-12 12" 1000W Car Shallow Mount Slim Subwoofers Subs

Car Audio or Theater

$ 133.35 $ 134.95
Rockford Fosgate R2SD2-10 Prime 2-Ohm DVC Shallow 10" Subwoofer 200 Watts RMS / 400 Watts Max
Rockford Fosgate R2SD2-10 Prime 2-Ohm DVC Shallow 10" Subwoofer 200 Watts RMS / 400 Watts Max

Car Audio or Theater

$ 64.47
Rockford Fosgate P300-12 12" 300W Sealed Powered Subwoofer Sub Enclosure+Amp Kit
Rockford Fosgate P300-12 12" 300W Sealed Powered Subwoofer Sub Enclosure+Amp Kit

Car Audio or Theater

$ 269.99
(2) Rockford Fosgate Punch P3D2-12 12" 2400 Watt Dual 2 Ohm Car Subwoofers Subs
(2) Rockford Fosgate Punch P3D2-12 12" 2400 Watt Dual 2 Ohm Car Subwoofers Subs

Wireless

$ 399.98
On Sale Now!
Rockford Fosgate P3SD4-12 Punch P3S 12" 4-Ohm DVC Shallow Subwoofer
Rockford Fosgate P3SD4-12 Punch P3S 12" 4-Ohm DVC Shallow Subwoofer

Car Audio or Theater

$ 197.49 $ 199.99
Rockford Fosgate P3SD2-8 8" Dual 2-Ohm Punch Series Shallow Mount Car Subwoofer
Rockford Fosgate P3SD2-8 8" Dual 2-Ohm Punch Series Shallow Mount Car Subwoofer

Car Audio or Theater

$ 169.99
(2) Rockford Fosgate R1S4-10 Prime 10" 800 Watt 4 Ohm Car Audio Subwoofers Subs
(2) Rockford Fosgate R1S4-10 Prime 10" 800 Watt 4 Ohm Car Audio Subwoofers Subs

CE

$ 88.50
Rockford Fosgate P2-1X12 Punch Single P2 12" Loaded Enclosure Ported Subwoofer
Rockford Fosgate P2-1X12 Punch Single P2 12" Loaded Enclosure Ported Subwoofer

Car Audio or Theater

$ 229.99
On Sale Now!
Rockford Fosgate R2D4-10 Prime 4-Ohm DVC 10" Subwoofer 250 Watts RMS / 500 Watts Max
Rockford Fosgate R2D4-10 Prime 4-Ohm DVC 10" Subwoofer 250 Watts RMS / 500 Watts Max

Car Audio or Theater

$ 54.99 $ 69.99
On Sale Now!
2) Rockford Fosgate R2 R2SD4-10 10" 800W Car Shallow/Slim Subwoofers Subs Audio
2) Rockford Fosgate R2 R2SD4-10 10" 800W Car Shallow/Slim Subwoofers Subs Audio

Car Audio or Theater

$ 123.24 $ 123.34
On Sale Now!
Rockford Fosgate PS-8 Punch Single 8" Amplified Loaded Enclosure Subwoofer
Rockford Fosgate PS-8 Punch Single 8" Amplified Loaded Enclosure Subwoofer

Wireless

$ 254.99 $ 299.99
Rockford Fosgate P300-8P Punch 8" 300 Watt Powered Ported Subwoofer System
Rockford Fosgate P300-8P Punch 8" 300 Watt Powered Ported Subwoofer System

Car Audio or Theater

$ 219.99
Rockford Fosgate R2 Ultra Shallow 12-Inch 4 Ohm DVC Subwoofer
Rockford Fosgate R2 Ultra Shallow 12-Inch 4 Ohm DVC Subwoofer

Car Audio or Theater

$ 75.27