10 bestAutomotive Performance Emission Systemsof December 2025
112M consumers helped this year.
1
K&N 63-9037 AirCharger Performance Air Intake System
K&N
9.7
2
Dorman OE Solutions 911-999 Evaporative Emissions Charcoal Canister
Dorman
9.4
3
K&N 63-3072 AirCharger Performance Air Intake System
K&N
9.1
4
K&N 63-9034 AirCharger Performance Air Intake System
K&N
8.8
5
K&N 63-3073 AirCharger Performance Air Intake System
K&N
8.5
Other
Add 90 Horsepower - Fuel Saver - High Performance Engine Tuner Chip - Programmer - All Car Truck SUV
Excel Exhaust Catalytic Converter Compatible with Kia Sportage 2011 2012 2013 2.4L (EPA Compliant)
Rislone Cat Complete Fuel, Exhaust and Emissions System Cleaner, Pack of 1
Wells C05904 Evaporative Emissions System Leak Detection Pump
6
K&N 63-3078 AirCharger Performance Air Intake System
K&N
8.2
7
Dorman OE Solutions 911-773 Evaporative Emissions Purge Solenoid Valve Ready To Paint If Needed
Dorman
7.9
8
Catalytic Converter Fits 2007-2014 Nissan Versa 1.6 and 1.8L
Excel Exhaust System
7.6
9
K&N 63-1565 AirCharger Performance Air Intake System
K&N
7.4
10
Rislone® DPF Clean™ Diesel DPF, Exhaust & Emissions System Cleaner, 16.9 oz, 4-Pack
Rislone
7.1
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