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10 bestAutomotive Performance Emission Systemsof February 2025

112M consumers helped this year.

1

K&N 63-9037 AirCharger Performance Air Intake System
K&N 63-9037 AirCharger Performance Air Intake System

K&N

9.7

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2

Dorman OE Solutions 911-999 Evaporative Emissions Charcoal Canister
Dorman OE Solutions 911-999 Evaporative Emissions Charcoal Canister

Dorman

9.4

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3

Add 90 Horsepower - Fuel Saver - High Performance Engine Tuner Chip - Programmer - All Car Truck SUV
Add 90 Horsepower - Fuel Saver - High Performance Engine Tuner Chip - Programmer - All Car Truck SUV

Generic

9.1

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4

Dorman OE Solutions 911-773 Evaporative Emissions Purge Solenoid Valve Ready To Paint If Needed
Dorman OE Solutions 911-773 Evaporative Emissions Purge Solenoid Valve Ready To Paint If Needed

Dorman

8.9

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5

Rislone Cat Complete Fuel, Exhaust and Emissions System Cleaner, Pack of 1
Rislone Cat Complete Fuel, Exhaust and Emissions System Cleaner, Pack of 1

Rislone

8.6

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K&N 63-9034 AirCharger Performance Air Intake System

K&N 63-9034 AirCharger Performance Air Intake System

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Allstar Performance ALL34145 Crankcase Evacuation System

Allstar Performance ALL34145 Crankcase Evacuation System

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Excel Exhaust Catalytic Converter Compatible with Kia Sportage 2011 2012 2013 2.4L (EPA Compliant)

Excel Exhaust Catalytic Converter Compatible with Kia Sportage 2011 2012 2013 2.4L (EPA Compliant)

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K&N 63-3078 AirCharger Performance Air Intake System

K&N 63-3078 AirCharger Performance Air Intake System

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6

MDEOOSKY Evaporative Emissions System Leak Detection Pump Replacement for Dodge Challenger Charger Dart Dakota Ram Replacement for Jeep Cherokee Compass Wagoneer Gladiator Chrysler, 310-233 4B1592
MDEOOSKY Evaporative Emissions System Leak Detection Pump Replacement for Dodge Challenger Charger Dart Dakota Ram Replacement for Jeep Cherokee Compass Wagoneer Gladiator Chrysler, 310-233 4B1592

MDEOOSKY

8.3

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7

Rislone® DPF Clean™ Diesel DPF, Exhaust & Emissions System Cleaner, 16.9 oz, 4-Pack
Rislone® DPF Clean™ Diesel DPF, Exhaust & Emissions System Cleaner, 16.9 oz, 4-Pack

Rislone

8.0

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8

Catalytic Converter Fits 2007-2014 Nissan Versa 1.6 and 1.8L
Catalytic Converter Fits 2007-2014 Nissan Versa 1.6 and 1.8L

Excel Exhaust System

7.7

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9

Wells C05904 Evaporative Emissions System Leak Detection Pump
Wells C05904 Evaporative Emissions System Leak Detection Pump

Wells

7.4

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10

K&N 63-3072 AirCharger Performance Air Intake System
K&N 63-3072 AirCharger Performance Air Intake System

K&N

7.1

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