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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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Kicker Dual 43DCWR122 12-Inch 2000W Loaded Subwoofer Enclosure
Kicker Dual 43DCWR122 12-Inch 2000W Loaded Subwoofer Enclosure

Car Audio or Theater

$ 299.96
Kicker 43CWRT102 CompRT 10" 2-Ohm Subwoofer
Kicker 43CWRT102 CompRT 10" 2-Ohm Subwoofer

CE

$ 189.95
Kicker S12L7 Car Audio Solobaric L7 Square 12" Sub Dual 2 Ohm 1500W 11S12L72 Subwoofer L7S12
Kicker S12L7 Car Audio Solobaric L7 Square 12" Sub Dual 2 Ohm 1500W 11S12L72 Subwoofer L7S12

Car Audio or Theater

$ 179.95
Kicker VL7S122 L7S 12" Subwoofer in Vented Enclosure 2-Ohm
Kicker VL7S122 L7S 12" Subwoofer in Vented Enclosure 2-Ohm

Car Audio or Theater

$ 499.99
On Sale Now!
Kicker 46TL7T122 TL7T 12" (30cm) Solo-Baric Subwoofer in Thin Profile Enclosure, 2-Ohm, 600 Watt
Kicker 46TL7T122 TL7T 12" (30cm) Solo-Baric Subwoofer in Thin Profile Enclosure, 2-Ohm, 600 Watt

Car Audio or Theater

$ 295.96 $ 332.96
Kicker 44TCWC102 10" 600W Subwoofer Box+Boss AR1500M 1500W Mono Amp +Amp Kit
Kicker 44TCWC102 10" 600W Subwoofer Box+Boss AR1500M 1500W Mono Amp +Amp Kit

Speakers

$ 184.99
Kicker 43VCWR122 12" CompR Sub 2 Ohm Loaded Subwoofer Sub Box Enclosure (Renewed)
Kicker 43VCWR122 12" CompR Sub 2 Ohm Loaded Subwoofer Sub Box Enclosure (Renewed)

Car Audio or Theater

$ 129.95
Kicker Dual 10-Inch 1200 Watt 2 Ohm Vented Loaded Subwoofer Enclosure, 44DCWC102
Kicker Dual 10-Inch 1200 Watt 2 Ohm Vented Loaded Subwoofer Enclosure, 44DCWC102

Wireless

$ 209.96
On Sale Now!
Skar Audio VVX-8v3 D4 8" 800 Watt Max Power Dual 4 Ohm Car Subwoofer
Skar Audio VVX-8v3 D4 8" 800 Watt Max Power Dual 4 Ohm Car Subwoofer

Car Audio or Theater

$ 84.68 $ 89.99
On Sale Now!
Rockford Fosgate R2D2-10 Prime R2 DVC 2 Ohm 10-Inch 250 Watts RMS 500 Watts Peak Subwoofer
Rockford Fosgate R2D2-10 Prime R2 DVC 2 Ohm 10-Inch 250 Watts RMS 500 Watts Peak Subwoofer

Car Audio or Theater

$ 99.99 $ 109.99
2) Boss CXX10 10" 1600W Car Audio Power Subwoofer Sub+ Mono Amplifier+Amp Kit
2) Boss CXX10 10" 1600W Car Audio Power Subwoofer Sub+ Mono Amplifier+Amp Kit

Car Audio or Theater

$ 121.99
Powered Car Subwoofer by Massive Audio BOOM88 Car Woofer Under Seat Slim Hideaway - Low Profile Compact Underseat Woofer with Amazing Sound - Built in Amplifier, 8 Inch 400 Watt, Gain Remote Include
Powered Car Subwoofer by Massive Audio BOOM88 Car Woofer Under Seat Slim Hideaway - Low Profile Compact Underseat Woofer with Amazing Sound - Built in Amplifier, 8 Inch 400 Watt, Gain Remote Include

Wireless

$ 145.00
Audiopipe TXX-BDC4-12 12" Subwoofer Dual 4 Ohm 1100 Watts RMS Car Audio Sub woofer
Audiopipe TXX-BDC4-12 12" Subwoofer Dual 4 Ohm 1100 Watts RMS Car Audio Sub woofer

Automotive Parts and Accessories

$ 202.00
Rockford Fosgate R500X1D Prime 1-Channel Class D Amplifier
Rockford Fosgate R500X1D Prime 1-Channel Class D Amplifier

Car Audio or Theater

$ 299.99
Soundstream 2000W Peak (1000W RMS) 12" Tarantula Dual 4-Ohm Car Subwoofer
Soundstream 2000W Peak (1000W RMS) 12" Tarantula Dual 4-Ohm Car Subwoofer

Wireless

$ 177.99
Skar Audio ZVX-15v2 D2 15" 3000 Watt Max Power Dual 2 Ohm SPL Car Subwoofer
Skar Audio ZVX-15v2 D2 15" 3000 Watt Max Power Dual 2 Ohm SPL Car Subwoofer

Wireless

$ 349.99
8'' Under-Seat Car Sub Woofer Modified Speaker Stereo Audio Bass Amplifier 4Ω 480W
8'' Under-Seat Car Sub Woofer Modified Speaker Stereo Audio Bass Amplifier 4Ω 480W

Car Audio or Theater

$ 55.99
Kicker 44TCWC102 10" 600W Subwoofer + Box + Boss R1100M 1100W Amp + Amp Kit
Kicker 44TCWC102 10" 600W Subwoofer + Box + Boss R1100M 1100W Amp + Amp Kit

Car Audio or Theater

$ 179.95
Pyle 6.5 Inch Mid Bass Woofer Sound Speaker System - Pro Loud Range Audio 300 Watt Peak Power w/ 4 Ohm Impedance and 60-20KHz Frequency Response for Car Component Stereo PLG64
Pyle 6.5 Inch Mid Bass Woofer Sound Speaker System - Pro Loud Range Audio 300 Watt Peak Power w/ 4 Ohm Impedance and 60-20KHz Frequency Response for Car Component Stereo PLG64

Car Audio or Theater

$ 27.99
2) Kicker 43C104 10" 600 Watt Car Subwoofers + Box + 1100W Amplifier + Wire Kit
2) Kicker 43C104 10" 600 Watt Car Subwoofers + Box + 1100W Amplifier + Wire Kit

Car Audio or Theater

$ 254.99
12W0V3-4 - JL Audio 12" Single 4-Ohm W0V3 Series Subwoofer
12W0V3-4 - JL Audio 12" Single 4-Ohm W0V3 Series Subwoofer

Wireless

$ 126.99
Rockville RV12.1B 600w 12" Loaded Car Subwoofer Enclosure+Mono Amplifier+Amp Kit
Rockville RV12.1B 600w 12" Loaded Car Subwoofer Enclosure+Mono Amplifier+Amp Kit

Wireless

$ 151.95
Kicker 12-Inch 300W Power Car Audio Subwoofers Subs C124, Pair | 10C124
Kicker 12-Inch 300W Power Car Audio Subwoofers Subs C124, Pair | 10C124

Speakers

$ 127.44
BOSS Audio Systems Elite BE10D 10 Inch Car Subwoofer - 800 Watts Maximum Power, Dual 4 Ohm Voice Coil
BOSS Audio Systems Elite BE10D 10 Inch Car Subwoofer - 800 Watts Maximum Power, Dual 4 Ohm Voice Coil

Speakers

$ 29.99
Skar Audio VXF-12 D4 12" 3000 Watt Max Power Dual 4 Ohm Competition Car Subwoofer
Skar Audio VXF-12 D4 12" 3000 Watt Max Power Dual 4 Ohm Competition Car Subwoofer

Wireless

$ 269.99
Rockville RWS10CA Slim 1000w 10" Powered Loaded Car Subwoofer Enclosure+Wire Kit - Ultra Pickleball
Rockville RWS10CA Slim 1000w 10" Powered Loaded Car Subwoofer Enclosure+Wire Kit

Car Audio or Theater

$ 106.95
Skar Audio IX-10 D2 10" 400 Watt Max Power Dual 2 Ohm Car Subwoofer
Skar Audio IX-10 D2 10" 400 Watt Max Power Dual 2 Ohm Car Subwoofer

Car Audio or Theater

$ 44.99
BOSS Audio Systems AR120DVC 12 Inch Car Subwoofer - 1600 Watts Maximum Power, Dual 4 Ohm Voice Coil, Sold Individually
BOSS Audio Systems AR120DVC 12 Inch Car Subwoofer - 1600 Watts Maximum Power, Dual 4 Ohm Voice Coil, Sold Individually

Speakers

$ 54.99
BOSS Audio Systems P129DC 2600 Watt, 12 Inch, Dual 4 Ohm Voice Coil Car Subwoofer
BOSS Audio Systems P129DC 2600 Watt, 12 Inch, Dual 4 Ohm Voice Coil Car Subwoofer

Wireless

$ 66.50
Dual 12" Kicker CompC Sub Package with Kicker 46CXA400.1 Amp & Vented Enclosure
Dual 12" Kicker CompC Sub Package with Kicker 46CXA400.1 Amp & Vented Enclosure

Speakers

$ 459.95
Rockville USS8 8" 600w Slim Under-Seat Active Powered Car/Truck Subwoofer Sub
Rockville USS8 8" 600w Slim Under-Seat Active Powered Car/Truck Subwoofer Sub

Wireless

$ 114.95
Rockford Fosgate P300-12T Punch 12" 300 Watt Powered Truck Sealed Box Subwoofer
Rockford Fosgate P300-12T Punch 12" 300 Watt Powered Truck Sealed Box Subwoofer

Car Audio or Theater

$ 389.99
BOSS Audio Systems P100F 10 Inch Car Subwoofer - 1200 Watts Maximum Power, Single 4 Ohm Voice Coil, Sold Individually
BOSS Audio Systems P100F 10 Inch Car Subwoofer - 1200 Watts Maximum Power, Single 4 Ohm Voice Coil, Sold Individually

Car Audio or Theater

$ 34.99
MTX TNE212D 12" 1200W Dual Loaded Car Subwoofers + Box + Planet 1500W Amp + Kit
MTX TNE212D 12" 1200W Dual Loaded Car Subwoofers + Box + Planet 1500W Amp + Kit

Car Audio or Theater

$ 289.99
Kicker CompR 8" 4-Ohm Subwoofer
Kicker CompR 8" 4-Ohm Subwoofer

CE

$ 99.95
JBL S2-1224 SSI Car Subwoofer
JBL S2-1224 SSI Car Subwoofer

Wireless

$ 82.75
Boss 12" 1000W Car Subwoofers +1100W Mono Amp R1100M +Amp Kit+12" Enclosures (2)
Boss 12" 1000W Car Subwoofers +1100W Mono Amp R1100M +Amp Kit+12" Enclosures (2)

Sports

$ 166.99
Rockville RW8CA 8" 600 Watt Under-Seat Slim Amplified Car Subwoofer +Wire Kit
Rockville RW8CA 8" 600 Watt Under-Seat Slim Amplified Car Subwoofer +Wire Kit

Car Audio or Theater

$ 129.95
Infinity Kappa 1200W 12" 1200 Watt Car Audio Subwoofer
Infinity Kappa 1200W 12" 1200 Watt Car Audio Subwoofer

CE

$ 129.95
On Sale Now!
2) NEW Kenwood KFC-W3016PS 12" 4000 WATT Car Audio Subwoofers Subs Woofers 4 Ohm
2) NEW Kenwood KFC-W3016PS 12" 4000 WATT Car Audio Subwoofers Subs Woofers 4 Ohm

Wireless

$ 97.53 $ 102.49
NYC Acoustics NSE12L 12" 1200W Powered/Amplified Car Subwoofer/Sub Enclosure+LED
NYC Acoustics NSE12L 12" 1200W Powered/Amplified Car Subwoofer/Sub Enclosure+LED

Wireless

$ 99.95
ASC Package Single 12" Kicker Sub Box Sealed Rearfire Subwoofer Enclosure C12 Comp 300 Watts Peak
ASC Package Single 12" Kicker Sub Box Sealed Rearfire Subwoofer Enclosure C12 Comp 300 Watts Peak

Car Audio or Theater

$ 129.95
Rockville USS10 10" 800w Slim Under-Seat Powered Car/Truck Subwoofer Sub+Amp Kit
Rockville USS10 10" 800w Slim Under-Seat Powered Car/Truck Subwoofer Sub+Amp Kit

Health and Beauty

$ 149.95
On Sale Now!
Rockville W12K9D2 12" 4000w Car Audio Subwoofer Dual 2-Ohm Sub CEA Compliant
Rockville W12K9D2 12" 4000w Car Audio Subwoofer Dual 2-Ohm Sub CEA Compliant

Wireless

$ 149.95 $ 159.95
On Sale Now!
JBL Stage 1010 10" Car Audio Subwoofer
JBL Stage 1010 10" Car Audio Subwoofer

Wireless

$ 59.97 $ 79.95
Skar Audio DDX-10 D4 10" 1500 Watt Max Power Dual 4 Ohm Car Subwoofer
Skar Audio DDX-10 D4 10" 1500 Watt Max Power Dual 4 Ohm Car Subwoofer

Speakers

$ 139.99
Rockford Fosgate P300-10T Punch 10" 300 Watt Powered Truck Sealed Box Subwoofer
Rockford Fosgate P300-10T Punch 10" 300 Watt Powered Truck Sealed Box Subwoofer

Speakers

$ 339.99
KICKER 11HS8 8" 150W Hideaway Car Audio Powered Subwoofer Sub Enclosure HS8
KICKER 11HS8 8" 150W Hideaway Car Audio Powered Subwoofer Sub Enclosure HS8

Car Audio or Theater

$ 159.95