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AdditivesAdvance Auto Parts ShopAftermarket & Performance Wheels and RimsArchoilATV / UTV Oils & FluidsAutomotive Bulk BuysAutomotive FluidsAutomotive GreasesBulk Automotive FluidsEngine & Powertrain Replacement PartsFarm and Agriculture Bulk BuysMaintenance EquipmentMotor OilMotor Oil, Fluids & Additives on Advance Auto Parts ShopMotorcycle Oils & FluidsReplacement Auto PartsRoad Trip Oil, Fluids & FiltersTruck and Fleet Bulk Buys
Car Modifier(73)
Uses item details. Price when purchased online
Top rated for fuel economy Archoil AR9100 Friction Modifier Oil Additive Value Pack - Two 16oz Bottles of AR9100 - Treat Two Power Strokes $79.90

Sponsored
$7990
current price $79.90Archoil AR9100 Friction Modifier Oil Additive Value Pack - Two 16oz Bottles of AR9100 - Treat Two Power Strokes
4234.9 out of 5 Stars. 423 reviews
Archoil AR9100 Friction Modifier (16oz) Oil Additive for All Vehicles - Powerstroke Cold Starts, Eliminates Injector Problems $44.95

Sponsored
$4495
current price $44.95Archoil AR9100 Friction Modifier (16oz) Oil Additive for All Vehicles - Powerstroke Cold Starts, Eliminates Injector Problems
164.9 out of 5 Stars. 16 reviews
Top rated for fuel economy Archoil Ultimate Diesel Kit - AR9100 Friction Modifier (16oz) + AR6500 Diesel Treatment (40oz) + AR6400-D Diesel Fuel System Cleaner (12oz) $89.90

Sponsored
$8990
current price $89.90Archoil Ultimate Diesel Kit - AR9100 Friction Modifier (16oz) + AR6500 Diesel Treatment (40oz) + AR6400-D Diesel Fuel System Cleaner (12oz)
6984.9 out of 5 Stars. 698 reviews
Mopar 04318060AD Limited Slip Additive Friction Modifier $16.74

$1674
current price $16.74Mopar 04318060AD Limited Slip Additive Friction Modifier
15 out of 5 Stars. 1 reviews
Red Line Limited-Slip Friction Modifier & Break-In Additive 4 oz - 80301 $12.49

$1249
current price $12.49Red Line Limited-Slip Friction Modifier & Break-In Additive 4 oz - 80301
25 out of 5 Stars. 2 reviews
Red Line 80301 Limited Slip Friction Modifier - 4 Ounce $12.49

$1249
current price $12.49Red Line 80301 Limited Slip Friction Modifier - 4 Ounce
15 out of 5 Stars. 1 reviews
DT 550 Friction Reducer and Modifier, Automotive Additive, 1 Pint $27.49

$2749
current price $27.49DT 550 Friction Reducer and Modifier, Automotive Additive, 1 Pint
25 out of 5 Stars. 2 reviews
Ford Differential Friction Modifier 1 Bottle 3.8oz $20.60 $20.60/lb

$2060
current price $20.60$20.60/lb
Ford Differential Friction Modifier 1 Bottle 3.8oz
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Top rated for fuel economy Archoil AR9100 Friction Modifier Oil Additive Value Pack - Two 16oz Bottles of AR9100 - Treat Two Power Strokes $79.90

$7990
current price $79.90Archoil AR9100 Friction Modifier Oil Additive Value Pack - Two 16oz Bottles of AR9100 - Treat Two Power Strokes
4234.9 out of 5 Stars. 423 reviews
DIFF FRICTION MODIFIER $18.57

$1857
current price $18.57DIFF FRICTION MODIFIER
43.8 out of 5 Stars. 4 reviews
AGS Friction Modifier Engine Oil Additive 16 fl oz $31.97

$3197
current price $31.97AGS Friction Modifier Engine Oil Additive 16 fl oz
235 out of 5 Stars. 23 reviews
LUBEGARD 61910 - Friction Modifier ATF Transmission Additive Supplement - Eliminates Severe Torque Converter Lock-up Shudder and Softens Harsh Shifts - Qty 12 $144.99

$14499
current price $144.99LUBEGARD 61910 - Friction Modifier ATF Transmission Additive Supplement - Eliminates Severe Torque Converter Lock-up Shudder and Softens Harsh Shifts - Qty 12
LUBEGARD 61910 - Friction Modifier ATF Transmission Additive Supplement - Eliminates Severe Torque Converter Lock-up Shudder and Softens Harsh Shifts - Qty 3 $47.93

$4793
current price $47.93LUBEGARD 61910 - Friction Modifier ATF Transmission Additive Supplement - Eliminates Severe Torque Converter Lock-up Shudder and Softens Harsh Shifts - Qty 3
Red Line Friction Modifier Break-In Additive - 4 oz - 80301 (12 Pack) $74.99

$7499
current price $74.99Red Line Friction Modifier Break-In Additive - 4 oz - 80301 (12 Pack)
Top rated for fuel economy Archoil AR9100 (1 Gallon) Friction Modifier - Treats up to 128 quarts of Engine Oil $229.95

$22995
current price $229.95Archoil AR9100 (1 Gallon) Friction Modifier - Treats up to 128 quarts of Engine Oil
4154.9 out of 5 Stars. 415 reviews
DT 550 Friction Reducer and Modifier. Automotive Additive, 1 Gallon $109.95

$10995
current price $109.95DT 550 Friction Reducer and Modifier. Automotive Additive, 1 Gallon
Dana Spicer Differential Friction Modifier Additive 43161 Limited Slip Additive $26.36

$2636
current price $26.36Dana Spicer Differential Friction Modifier Additive 43161 Limited Slip Additive
25 out of 5 Stars. 2 reviews
DT 550 Friction Reducer and Modifier, Automotive Additive, 5 Gallon $455.00

$45500
current price $455.00DT 550 Friction Reducer and Modifier, Automotive Additive, 5 Gallon
DIFFERENTIAL OIL ADDITIVE / FRICTION MODIFIER $34.58

$3458
current price $34.58DIFFERENTIAL OIL ADDITIVE / FRICTION MODIFIER
BEST- Magnum Car Mp3 Wma Wireless Fm Modulator $44.66

$4466
current price $44.66BEST- Magnum Car Mp3 Wma Wireless Fm Modulator
FPPF FPPF TOTAL POWER 32 OZ 90343 $29.99

$2999
current price $29.99FPPF FPPF TOTAL POWER 32 OZ 90343
AudioControl lc7i Car Bass Restoration Processor, Black $215.00

$21500
current price $215.00AudioControl lc7i Car Bass Restoration Processor, Black
134.4 out of 5 Stars. 13 reviews
Soundstream BX-10X - Car - bass restoration processor $58.00

$5800
current price $58.00Soundstream BX-10X - Car - bass restoration processor
153.9 out of 5 Stars. 15 reviews
INTERNATIONAL LUBRICANTS INC. 19680 LUBEGARD 19680 - INSTANT SHUDDER FIXX (CLAM SHELL) $15.19 Was $19.18

Now$1519
current price Now $15.19, Was $19.18$19.18
INTERNATIONAL LUBRICANTS INC. 19680 LUBEGARD 19680 - INSTANT SHUDDER FIXX (CLAM SHELL)
25 out of 5 Stars. 2 reviews
Bar's Leaks 1000 High Mileage Engine Repair, Automotive Additive, 16.9 oz From $12.98

5 options
Available in additional 5 optionsFrom$1298
Bar's Leaks 1000 High Mileage Engine Repair, Automotive Additive, 16.9 oz
3054.6 out of 5 Stars. 305 reviews
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Blaupunkt EP-1200XPRO Digital Bass Enhancer Processor - Digital Sound Restoration, Maximizer & Reproducer - Car Audio Booster - Black $53.90 Was $75.00

Now$5390
current price Now $53.90, Was $75.00$75.00
Blaupunkt EP-1200XPRO Digital Bass Enhancer Processor - Digital Sound Restoration, Maximizer & Reproducer - Car Audio Booster - Black
TRIAX Max Oil Booster S7, 16 Ounce Bottle

TRIAX Max Oil Booster S7, 16 Ounce Bottle
Rupoun 5 Band Car Sound Equalizer Adjustable EQ Car Amplifier Graphic Equalizer with CD AUX Input Front Rear Sub Output for Boat RV Motorcycle Stereo Tone Control Black $36.09

$3609
current price $36.09Rupoun 5 Band Car Sound Equalizer Adjustable EQ Car Amplifier Graphic Equalizer with CD AUX Input Front Rear Sub Output for Boat RV Motorcycle Stereo Tone Control Black
Sea Foam Power Steering Fluid, 12 oz. From $7.47

4 options
Available in additional 4 optionsFrom$747
Sea Foam Power Steering Fluid, 12 oz.
324.9 out of 5 Stars. 32 reviews
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Torco AFM0010J, Gm Limited Slip Additive Type G Case/12-4Oz Performance $152.14 $43.10/lb

$15214
current price $152.14$43.10/lb
Torco AFM0010J, Gm Limited Slip Additive Type G Case/12-4Oz Performance
Car Amplificador 400W 12V Hifi Power Amplifier Bluetooth 5.0 Stereo Sound M USB MIC Remote Control HIFI Digital $35.84

$3584
current price $35.84Car Amplificador 400W 12V Hifi Power Amplifier Bluetooth 5.0 Stereo Sound M USB MIC Remote Control HIFI Digital
Mad Hornets AS-336BU Reverberation Bluetooth 5.0 Vehicle Audio Amplifier with Remote Control, Black $89.24

$8924
current price $89.24Mad Hornets AS-336BU Reverberation Bluetooth 5.0 Vehicle Audio Amplifier with Remote Control, Black
Planet Audio PEQ10 Car Equalizer - 4 Band, Pre-Amp, Half Din, Subwoofer Output with Adjustable Filter, fixed bands, Remote Subwoofer Level Control, DPS Processor Was $49.00

Planet Audio PEQ10 Car Equalizer - 4 Band, Pre-Amp, Half Din, Subwoofer Output with Adjustable Filter, fixed bands, Remote Subwoofer Level Control, DPS Processor
124.6 out of 5 Stars. 12 reviews
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Best seller STP High Mileage Fuel Injector & Carburetor Cleaner - 5.25 fl oz (2 Count) From $5.28

5 options
Available in additional 5 optionsFrom$528
STP High Mileage Fuel Injector & Carburetor Cleaner - 5.25 fl oz (2 Count)
5174.7 out of 5 Stars. 517 reviews
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High Power Enthusiast Digital Amplificador 8 Inch Bluetooth Stereo Amplifier Car Audio Adjustable Subwoofer Audio Processor ,Powerful Sound Quality $46.30

$4630
current price $46.30High Power Enthusiast Digital Amplificador 8 Inch Bluetooth Stereo Amplifier Car Audio Adjustable Subwoofer Audio Processor ,Powerful Sound Quality
Second Skin Sound Deadener Damplifier Pro Car Sound Deadening Mat (30 Sq Ft, 18 Sheets) $240.00

$24000
current price $240.00Second Skin Sound Deadener Damplifier Pro Car Sound Deadening Mat (30 Sq Ft, 18 Sheets)
Second Skin Damplifier - Car Sound Deadening Mat (40 Sq Ft, 20 Sheets) $229.99

$22999
current price $229.99Second Skin Damplifier - Car Sound Deadening Mat (40 Sq Ft, 20 Sheets)
Power Acoustik MOFO1-10KD Remote Control Included Vehicle Audio Amplifier, Multicolor, 6.19 lbs $168.99

$16899
current price $168.99Power Acoustik MOFO1-10KD Remote Control Included Vehicle Audio Amplifier, Multicolor, 6.19 lbs
83.5 out of 5 Stars. 8 reviews
XXX Audio XTM200 2-Channel IC Amplifier, 200W Max Power, Compact Car Audio Amplifier with RCA Inputs & Bass Boost $45.99 Was $53.00

Now$4599
current price Now $45.99, Was $53.00$53.00
XXX Audio XTM200 2-Channel IC Amplifier, 200W Max Power, Compact Car Audio Amplifier with RCA Inputs & Bass Boost
15 out of 5 Stars. 1 reviews
7 Band Car Audio Graphic Equalizer, 12V Stereo Sound Tuner w/ 3.5mm Aux Input & Subwoofer Level Control for Enhanced Sound Customization $52.73

$5273
current price $52.737 Band Car Audio Graphic Equalizer, 12V Stereo Sound Tuner w/ 3.5mm Aux Input & Subwoofer Level Control for Enhanced Sound Customization
Rislone Hy-per Diesel Complete Fuel System Cleaner and Additive 16.9 oz $13.90 $13.90/count

$1390
current price $13.90$13.90/count
Rislone Hy-per Diesel Complete Fuel System Cleaner and Additive 16.9 oz
244.8 out of 5 Stars. 24 reviews
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Best seller Bar's Leaks 1816 Axle and Differential Gear Repair, 16.9 oz From $14.15

5 options
Available in additional 5 optionsFrom$1415
Bar's Leaks 1816 Axle and Differential Gear Repair, 16.9 oz
2884.7 out of 5 Stars. 288 reviews
Save with
Second Skin Sound Deadener Damplifier Pro Car Sound Deadening Mat (13.5 Sq Ft, 8 Sheets) $110.00

$11000
current price $110.00Second Skin Sound Deadener Damplifier Pro Car Sound Deadening Mat (13.5 Sq Ft, 8 Sheets)
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