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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
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
4424.9 out of 5 Stars. 442 reviews
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
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
Archoil AR9100 Friction Modifier (16oz) Oil Additive for All Vehicles - Powerstroke Cold Starts, Eliminates Injector Problems $44.95

$4495
current price $44.95Archoil AR9100 Friction Modifier (16oz) Oil Additive for All Vehicles - Powerstroke Cold Starts, Eliminates Injector Problems
4424.9 out of 5 Stars. 442 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
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
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
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
DIFF FRICTION MODIFIER $16.69 Was $18.57

Now$1669
current price Now $16.69, Was $18.57$18.57
DIFF FRICTION MODIFIER
43.8 out of 5 Stars. 4 reviews
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
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 6 $86.99

$8699
current price $86.99LUBEGARD 61910 - Friction Modifier ATF Transmission Additive Supplement - Eliminates Severe Torque Converter Lock-up Shudder and Softens Harsh Shifts - Qty 6
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
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
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)
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
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
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
FPPF FPPF TOTAL POWER 32 OZ 90343 $29.99

$2999
current price $29.99FPPF FPPF TOTAL POWER 32 OZ 90343
INTERNATIONAL LUBRICANTS INC. 19680 LUBEGARD 19680 - INSTANT SHUDDER FIXX (CLAM SHELL) $15.99 Was $19.18

Now$1599
current price Now $15.99, Was $19.18$19.18
INTERNATIONAL LUBRICANTS INC. 19680 LUBEGARD 19680 - INSTANT SHUDDER FIXX (CLAM SHELL)
25 out of 5 Stars. 2 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
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
3084.6 out of 5 Stars. 308 reviews
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
TRIAX Max Oil Booster S7, 16 Ounce Bottle

TRIAX Max Oil Booster S7, 16 Ounce Bottle
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
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
Planet Audio PEQ10 Car Equalizer - 4 Band, Pre-Amp, Half Din, Subwoofer Output with Adjustable Filter, fixed bands, Remote Subwoofer Level Control, DPS Processor

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
Mad Hornets AS-336BU Reverberation Bluetooth 5.0 Vehicle Audio Amplifier with Remote Control, Black $69.74 Was $89.02

Now$6974
current price Now $69.74, Was $89.02$89.02
Mad Hornets AS-336BU Reverberation Bluetooth 5.0 Vehicle Audio Amplifier with Remote Control, Black
DEEPCRAFF Car Audio Amplifier Equalizer with Volume Control, Black - 1 Set for Enhanced Sound Quality $10.75

$1075
current price $10.75DEEPCRAFF Car Audio Amplifier Equalizer with Volume Control, Black - 1 Set for Enhanced Sound Quality
Motorcraft XL3 Limited Slip Differential Additive Automotive, 4 fl oz $15.25 Was $17.95

Now$1525
current price Now $15.25, Was $17.95$17.95
Motorcraft XL3 Limited Slip Differential Additive Automotive, 4 fl oz
85 out of 5 Stars. 8 reviews
Professional 5-Band Equalizer for Car Sound $33.68

$3368
current price $33.68Professional 5-Band Equalizer for Car Sound
M Buder 15A Noise Suppressor Stereo Anti Interference Audio Amplifier Filter Ground Loop Noise Isolator For Car Vehicle Audio Systems, ABS Material, Enhance Radio Signal, Reduce Disturbance $10.51

$1051
current price $10.51M Buder 15A Noise Suppressor Stereo Anti Interference Audio Amplifier Filter Ground Loop Noise Isolator For Car Vehicle Audio Systems, ABS Material, Enhance Radio Signal, Reduce Disturbance
XXX Audio XTM200 2-Channel IC Amplifier, 200W Max Power, Compact Car Audio Amplifier with RCA Inputs & Bass Boost $45.84 Was $53.00

Now$4584
current price Now $45.84, 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
UView 499008A A/C ExtenDye - 8 oz Bootle $51.25

$5125
current price $51.25UView 499008A A/C ExtenDye - 8 oz Bootle
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
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)
5214.7 out of 5 Stars. 521 reviews
Mosiee 400W Car Audio Enhancement Module for 8-10 Inch Subwoofer with Bass Control Oval From $33.19

2 options
Available in additional 2 optionsFrom$3319
Mosiee 400W Car Audio Enhancement Module for 8-10 Inch Subwoofer with Bass Control Oval
Performance 60WT $51.33

$5133
current price $51.33Performance 60WT
Prizom 5-Band Car Audio Equalizer with CD/AUX input Select Switch, Black $25.44

$2544
current price $25.44Prizom 5-Band Car Audio Equalizer with CD/AUX input Select Switch, Black
200W 12V USB Auto HIFI Stereo Amplifier Remote Control Mp3 Decoder Car MP3 Decoder Board Bluetooth Car Radio MP3 Amplifier $37.85

$3785
current price $37.85200W 12V USB Auto HIFI Stereo Amplifier Remote Control Mp3 Decoder Car MP3 Decoder Board Bluetooth Car Radio MP3 Amplifier
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