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 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
- Walker Y-Pipe To Int Pipe Exhaust Clamp for 1981-1982 Ford F-350 5.8L 6.6L V8Special Price $3.99 Regular Price $5.99
- Walker Y-Pipe To Int Pipe Exhaust Clamp for 1973-1974 Cadillac Fleetwood 7.7L V8Special Price $4.23 Regular Price $5.99
- Walker Y-Pipe To Int Pipe Exhaust Clamp for 1988-1993 Chevrolet K1500 6.2L V8Special Price $7.12 Regular Price $9.99
- 2 pc Walker Converter Rear Exhaust System Insulators for 2009-2010 Pontiac Vibe 2.4L L4Special Price $10.91 Regular Price $15.99
- 2 pc Walker Converter Rear Exhaust System Insulators for 2013-2018 Buick Encore 1.4L L4Special Price $10.91 Regular Price $15.99
- Walker Y-Pipe To Int Pipe Exhaust Clamp for 1965-1966 Ford Mustang 4.7L V8Special Price $3.71 Regular Price $4.99
- Walker Y-Pipe To Int Pipe Exhaust Clamp for 1967 Chevrolet C30 Pickup 4.6L V8Special Price $3.96 Regular Price $5.99
- Walker Y-Pipe To Int Pipe Exhaust Clamp for 1967-1968 GMC C25 C2500 Pickup 4.6L 5.0L V8Special Price $3.96 Regular Price $5.99
- Walker Y-Pipe To Int Pipe Exhaust Clamp for 1975-1978 GMC P25 5.7L V8Special Price $4.23 Regular Price $5.99
- Walker Y-Pipe To Int Pipe Exhaust Clamp for 1975-1981 Chevrolet P20 5.7L V8Special Price $4.49 Regular Price $5.99
- Walker Y-Pipe To Int Pipe Exhaust Clamp for 1979-1981 GMC P2500 5.7L V8Special Price $4.49 Regular Price $5.99
- Walker Y-Pipe To Int Pipe Exhaust Clamp for 1980-1986 GMC C2500 5.7L V8Special Price $4.49 Regular Price $5.99
- Walker Y-Pipe To Int Pipe Exhaust Clamp for 1973-1974 Cadillac DeVille 7.7L V8Special Price $4.49 Regular Price $5.99
- Walker Converter Rear Exhaust System Insulator for 2004-2006 Lexus RX330 3.3L V6Special 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 Converter Rear Exhaust System Insulator for 2001-2008 Ford Escape 3.0L V6Special Price $4.99 Regular Price $6.99
- Walker Converter Rear Exhaust System Insulator for 2006-2011 Honda Civic 1.3L L4Special Price $5.26 Regular Price $7.99
- Walker Converter Rear Exhaust System Insulator for 2015-2017 Hyundai Sonata 2.4L L4Special Price $5.26 Regular Price $7.99
- Walker Converter Rear Exhaust System Insulator for 2007-2009 Lexus RX350 3.5L V6Special Price $5.26 Regular Price $7.99
- Walker Converter Rear Exhaust System Insulator for 2005-2008 Mercury Mariner 3.0L V6Special Price $5.26 Regular Price $7.99
- 2 pc Walker Y-Pipe To Int Pipe Exhaust Pipe Flange Gaskets for 1985-1987 Ford F-350 7.5L V8Special Price $5.95 Regular Price $8.99
- Walker Y-Pipe To Int Pipe Exhaust Pipe Flange Gasket for 1989-1995 Nissan Pathfinder 3.0L V6Special Price $6.15 Regular Price $8.99
- Walker Y-Pipe To Int Pipe Exhaust Clamp for 1988-1993 Chevrolet C1500 6.2L V8Special Price $7.12 Regular Price $9.99
- Walker Y-Pipe To Int Pipe Exhaust Clamp for 1988-1993 GMC C1500 6.2L V8Special Price $7.12 Regular Price $9.99
- Walker Y-Pipe To Int Pipe Exhaust Clamp for 1988-1990 GMC K3500 6.2L V8Special Price $7.12 Regular Price $9.99
- Walker Y-Pipe To Int Pipe Exhaust Clamp for 1988-1993 Chevrolet K2500 6.2L V8Special Price $7.44 Regular Price $10.99
- Walker Y-Pipe To Int Pipe Exhaust Clamp for 1988-1990 GMC C3500 6.2L V8Special Price $7.44 Regular Price $10.99
- Walker Y-Pipe To Int Pipe Exhaust Clamp for 1988-1993 GMC K1500 6.2L V8Special Price $7.44 Regular Price $10.99
- Walker Y-Pipe To Int Pipe Exhaust Clamp for 1991-1996 GMC G3500 7.4L V8Special Price $7.44 Regular Price $10.99