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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- Walker Int Pipe Exhaust System Insulator for 2001-2006 Kia Optima 2.4L 2.5L 2.7L L4 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 Muffler Assm Left Exhaust System Insulator for 1994 Lexus LS400 4.0L V8Special Price $4.99 Regular Price $6.99
- Walker Exhaust System Insulator for 1985-1988 Chevrolet Nova 1.6L L4Special Price $4.99 Regular Price $6.99
- Walker Resonator Assm Exhaust System Insulator for 2014 Nissan Rogue Select 2.5L L4Special Price $4.99 Regular Price $6.99
- Walker Int Pipe Exhaust System Insulator for 2008-2012 Chevrolet Malibu 2.4L 3.5L 3.6L L4 V6Special Price $4.99 Regular Price $6.99
- Walker Converter Exhaust System Insulator for 2001-2004 Mazda Tribute 3.0L V6Special Price $4.99 Regular Price $6.99
- Walker Front Pipe Exhaust System Insulator for 2007-2012 Hyundai Elantra 2.0L L4Special Price $4.99 Regular Price $6.99
- Walker Exhaust System Insulator for 2011-2019 Hyundai Elantra 1.8L 2.0L L4Special Price $4.99 Regular Price $6.99
- Walker Muffler Exhaust System Insulator for 1990-1994 Mitsubishi Eclipse 1.8L 2.0L L4Special Price $4.99 Regular Price $6.99
- Walker Exhaust System Insulator for 2006-2011 Kia Rio5 1.6L L4Special Price $4.99 Regular Price $6.99
- Walker Resonator Assm Exhaust System Insulator for 1991-1999 Nissan Sentra 1.6L L4Special Price $4.99 Regular Price $6.99
- Walker Front Pipe Exhaust System Insulator for 2014-2015 Kia Sorento 2.4L L4Special Price $4.99 Regular Price $6.99
- Walker Resonator Assm Exhaust System Insulator for 2005-2009 Subaru Legacy 2.5L H4Special Price $4.99 Regular Price $6.99
- Walker Muffler Exhaust System Insulator for 2000-2007 Ford Taurus 3.0L V6Special Price $4.99 Regular Price $6.99
- Walker Converter Left Exhaust System Insulator for 2007-2017 Toyota Tundra 4.0L 4.6L 4.7L 5.7L V6 V8Special Price $4.99 Regular Price $6.99
- Walker Exhaust System Insulator for 1987-1988 Suzuki Forsa 1.0L L3Special Price $4.99 Regular Price $6.99
- Walker Exhaust System Insulator for 1993-2002 Mitsubishi Mirage 1.5L 1.8L L4Special Price $4.99 Regular Price $6.99
- Walker Exhaust System Insulator for 1999-2001 Hyundai Sonata 2.4L L4Special Price $4.99 Regular Price $6.99
- Walker Exhaust System Insulator for 1993-1994 Plymouth Colt 1.5L 1.8L L4Special Price $4.99 Regular Price $6.99
- Walker Muffler Assm Exhaust System Insulator for 2004 Subaru Legacy 2.5L H4Special Price $4.99 Regular Price $6.99
- Walker Muffler Assm Exhaust System Insulator for 2007-2014 Honda CR-V 2.4L L4Special Price $4.99 Regular Price $6.99
- Walker Resonator Exhaust System Insulator for 2013-2017 Subaru Outback 2.5L H4Special Price $4.99 Regular Price $6.99
- Walker Exhaust System Insulator for 1995-1998 Mitsubishi Galant 2.4L L4Special Price $4.99 Regular Price $6.99
- Walker Muffler Exhaust System Insulator for 2000-2005 Mercury Sable 3.0L V6Special Price $4.99 Regular Price $6.99
- Walker Exhaust System Insulator for 1991-1995 Mitsubishi 3000GT 3.0L V6Special Price $4.99 Regular Price $6.99
- Walker Exhaust System Insulator for 1998 Chevrolet Tracker 1.6L L4Special Price $4.99 Regular Price $6.99
- Walker Muffler Assm Exhaust System Insulator for 2003-2006 Toyota Camry 2.4L L4Special Price $4.99 Regular Price $6.99
- Walker Converter Rear Exhaust System Insulator for 2006-2008 Lexus RX400h 3.3L V6Special Price $4.99 Regular Price $6.99
- Walker Exhaust System Insulator for 1992-1996 Lexus ES300 3.0L V6Special Price $4.99 Regular Price $6.99
- Walker Exhaust System Insulator for 1991-1993 Suzuki Sidekick 1.6L L4Special Price $4.99 Regular Price $6.99
- Walker Exhaust System Insulator for 2014-2015 Kia Sorento 3.3L V6Special Price $4.99 Regular Price $6.99
- Walker Converter Rear Exhaust System Insulator for 2001-2008 Ford Escape 3.0L V6Special Price $4.99 Regular Price $6.99
- Walker Exhaust System Insulator for 2009-2013 Mazda 6 2.5L 3.7L L4 V6Special Price $4.99 Regular Price $6.99
- Walker Exhaust System Insulator for 1996 Chevrolet Impala 5.7L V8Special Price $4.99 Regular Price $6.99
- Walker Muffler Assm Right Exhaust System Insulator for 2005 Subaru Legacy 2.5L H4Special Price $4.99 Regular Price $6.99
- Walker Int Pipe Exhaust System Insulator for 2001-2005 Kia Magentis 2.4L 2.5L 2.7L L4 V6Special Price $4.99 Regular Price $6.99
- Walker Exhaust System Insulator for 1993-1994 Dodge Colt 1.5L 1.8L L4Special Price $4.99 Regular Price $6.99
- Walker Muffler Assm Exhaust System Insulator for 2014-2019 Kia Soul 1.6L L4Special Price $4.99 Regular Price $6.99