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 Converter Right To Extension Pipe Exhaust Clamp for 2004-2008 Ford F-150 4.2L 4.6L 5.4L V6 V8Special Price $4.49 Regular Price $5.99
- 2 pc Walker Muffler Left Exhaust System Insulators for 2008-2010 Subaru Impreza 2.5L H4Special Price $11.30 Regular Price $15.99
- 2 pc Walker Muffler Left Exhaust System Insulators for 2005-2008 Subaru Legacy 2.5L H4Special Price $11.30 Regular Price $15.99
- Walker Converter Right To Extension Pipe Exhaust Clamp for 2004-2005 Dodge Ram 1500 3.7L 4.7L V6 V8Special Price $4.23 Regular Price $5.99
- Walker Converter Right To Extension Pipe Exhaust Clamp for 2004 Ford F-150 Heritage 4.6L 5.4L V8Special Price $4.49 Regular Price $5.99
- Walker Converter Right To Extension Pipe Exhaust Clamp for 2006 Lincoln Mark LT 5.4L V8Special Price $4.49 Regular Price $5.99
- Walker Muffler Left Exhaust System Insulator for 2008-2011 Subaru Impreza 2.5L H4Special Price $5.26 Regular Price $7.99
- Walker Muffler Left Exhaust System Insulator for 2009-2013 Subaru Forester 2.5L H4Special Price $5.26 Regular Price $7.99
- Walker Muffler Left Exhaust System Insulator for 2019 Ford Explorer 3.5L V6Special Price $7.76 Regular Price $10.99
- Walker Muffler Left Exhaust System Insulator for 2000-2002 Chevrolet Monte Carlo 3.8L V6Special Price $7.76 Regular Price $10.99
- Walker Muffler Left Exhaust System Insulator for 2003-2008 Hyundai Tiburon 2.0L 2.7L L4 V6Special Price $7.76 Regular Price $10.99
- Walker Muffler Left Exhaust System Insulator for 2007-2012 Lincoln MKZ 3.5L V6Special Price $8.09 Regular Price $11.99
- Walker Muffler Left Exhaust System Insulator for 2003-2008 Hyundai Tiburon 2.0L 2.7L L4 V6Special Price $9.51 Regular Price $13.99
- 2 pc Walker Muffler Left Exhaust System Insulators for 2009-2013 Subaru Forester 2.5L H4Special Price $11.30 Regular Price $15.99