Failed an emissions test? This can be down to dozens of reasons but is largely limited to parts in the car Fuel Delivery System. Causes can be as simple as a leaking gas cap, faulty vapor canisters that trap gas vapors in the fuel return lines to damage to the EGR Valves that recirculate exhaust gasses and reduce nitrogen oxides. Increased emissions can also be down to skipping maintenance intervals with regular replacement parts like vehicle Air Filters to deliver oxygen-rich and cleansed air for better engine efficiency, and Engine Oil Filters to filter out contaminants that cause wear.
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- 2 pc Walker Muffler Assm Exhaust System Insulators for 2003-2019 Toyota Corolla 1.8L L4Special Price $11.30 Regular Price $15.99
- Walker Front Pipe Exhaust System Insulator for 2009-2014 Acura TSX 2.4L L4Special Price $6.86 Regular Price $9.99
- 2 pc Walker Converter Rear Exhaust System Insulators for 2001-2016 Kia Optima 2.4L 2.5L 2.7L L4 V6Special Price $10.91 Regular Price $15.99
- 2 pc Walker Y-Pipe Exhaust System Insulators for 2000-2005 Chevrolet Monte Carlo 3.8L V6Special Price $16.95 Regular Price $23.99
- 2 pc Walker Exhaust System Insulators for 1995-2010 Dodge Ram 2500 5.2L 5.9L 6.7L L6 V8Special Price $16.95 Regular Price $23.99
- 3 pc Walker Exhaust System Insulators for 2010-2013 Toyota Tundra 4.6L 5.7L V8Special Price $17.33 Regular Price $24.99
- Walker Converter Exhaust System Insulator for 2001-2004 Mazda Tribute 3.0L V6Special Price $4.99 Regular Price $6.99
- Walker Int Pipe Exhaust System Insulator for 2013-2015 Subaru XV Crosstrek 2.0L H4Special Price $4.99 Regular Price $6.99
- Walker Resonator Assm Rear Exhaust System Insulator for 2006-2011 Honda Civic 2.0L L4Special Price $4.99 Regular Price $6.99
- Walker Exhaust System Insulator for 1985-1999 Toyota Celica 1.6L 1.8L 2.0L 2.2L 2.4L 2.8L L4 L6Special Price $5.26 Regular Price $7.99
- Walker Resonator Assm Exhaust System Insulator for 2013-2016 Hyundai Santa Fe Sport 2.4L L4Special Price $5.26 Regular Price $7.99
- Walker Int Pipe Exhaust System Insulator for 2011-2018 Ram 1500 5.7L V8Special Price $7.76 Regular Price $10.99
- Walker Int Pipe Rear Exhaust System Insulator for 1999-2004 Chrysler 300M 3.5L V6Special Price $7.76 Regular Price $10.99
- Walker Resonator Assm Exhaust System Insulator for 2005-2015 Kia Sportage 2.4L 2.7L L4 V6Special Price $7.76 Regular Price $10.99
- Walker Front Pipe Exhaust System Insulator for 1990-1991 Eagle Vista 1.5L L4Special Price $7.76 Regular Price $10.99
- Walker Resonator Assm Exhaust System Insulator for 2007-2010 Saturn Outlook 3.6L V6Special Price $7.76 Regular Price $10.99
- Walker Muffler Assm Exhaust System Insulator for 2006-2008 Kia Optima 2.4L L4Special Price $7.76 Regular Price $10.99
- Walker Front Pipe Exhaust System Insulator for 2011-2014 Ford Edge 3.5L V6Special Price $7.76 Regular Price $10.99
- Walker Int Pipe Exhaust System Insulator for 2006-2010 Ford Explorer 4.0L V6Special Price $7.76 Regular Price $10.99
- Walker Muffler Assm Left Exhaust System Insulator for 2004-2008 Acura TSX 2.4L L4Special Price $8.09 Regular Price $11.99
- Walker Muffler Assm Left Exhaust System Insulator for 1990-1995 Nissan 300ZX 3.0L V6Special Price $8.09 Regular Price $11.99
- Walker Rear Exhaust System Insulator for 2005-2007 Ford Freestyle 3.0L V6Special Price $8.09 Regular Price $11.99
- Walker Muffler Exhaust System Insulator for 2006-2012 Mitsubishi Eclipse 2.4L L4Special Price $8.09 Regular Price $11.99
- Walker Front Pipe Exhaust System Insulator for 1989-1993 Mitsubishi Galant 2.0L L4Special Price $8.09 Regular Price $11.99
- Walker Int Pipe Exhaust System Insulator for 1989-1992 Ford Probe 2.2L 3.0L L4 V6Special Price $8.09 Regular Price $11.99
- Walker Exhaust System Insulator for 1995-2005 Chrysler Sebring 2.0L 2.4L 2.5L L4 V6Special Price $8.09 Regular Price $11.99
- Walker Tail Pipe Rear Exhaust System Insulator for 2006-2010 Mercury Mountaineer 4.0L V6Special Price $8.09 Regular Price $11.99
- Walker Exhaust System Insulator for 1989-1993 Dodge D350 5.9L L6Special Price $8.09 Regular Price $11.99
- Walker Muffler Exhaust System Insulator for 1986-1994 Plymouth Colt 1.5L 1.8L 2.0L 2.4L L4Special Price $8.09 Regular Price $11.99
- Walker Converter Rear Exhaust System Insulator for 2010-2017 Chevrolet Equinox 2.4L L4Special Price $8.09 Regular Price $11.99
- Walker Exhaust System Insulator for 1999-2000 Ford E-350 Econoline Club Wagon 7.3L V8Special Price $8.09 Regular Price $11.99
- Walker Exhaust System Insulator for 1989-2002 Mercury Cougar 2.5L 3.8L 4.6L 5.0L V6 V8Special Price $8.09 Regular Price $11.99
- Walker Muffler Assm Left Exhaust System Insulator for 2006-2011 Mercury Milan 3.0L V6Special Price $8.09 Regular Price $11.99
- Walker Resonator Assm Exhaust System Insulator for 2000-2009 Mitsubishi Eclipse 2.4L 3.0L L4 V6Special Price $8.09 Regular Price $11.99
- Walker Muffler Assm Exhaust System Insulator for 2011-2012 Lincoln MKZ 2.5L L4Special Price $8.09 Regular Price $11.99