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 Muffler Assm To Tail Pipe Exhaust Clamp for 2005-2008 Pontiac Vibe 1.8L L4Special Price $3.96 Regular Price $5.99
- Walker Muffler To Tail Pipe Exhaust Clamp for 1998-2001 Mazda B2500 2.5L L4Special Price $3.96 Regular Price $5.99
- Walker Int Pipe To Muffler Exhaust Clamp for 2007-2010 Ford Explorer Sport Trac 4.0L V6Special Price $3.96 Regular Price $5.99
- Walker Exhaust Clamp for 1978-2017 Buick Regal 2.4L 2.8L 3.1L 3.2L 3.8L 4.1L 4.3L 4.4L 4.9L 5.0L L4 V6 V8Special Price $3.96 Regular Price $5.99
- Walker Exhaust Clamp for 1970-1974 Dodge Challenger 5.2L V8Special Price $3.96 Regular Price $5.99
- Walker Muffler To Tail Pipe Exhaust Clamp for 2003-2004 Pontiac Vibe 1.8L L4Special Price $3.96 Regular Price $5.99
- Walker Exhaust Clamp for 1972-1975 Jeep CJ6 3.8L 4.2L L6Special Price $3.96 Regular Price $5.99
- Walker Y-Pipe To Right Muffler Assm Exhaust Clamp for 2011-2016 Kia Optima 2.0L 2.4L L4Special Price $3.96 Regular Price $5.99
- Walker Exhaust Clamp for 1965-1974 Ford Custom 500 3.9L 4.7L 5.8L L6 V8Special Price $3.96 Regular Price $5.99
- Walker Resonator Assm To Muffler Exhaust Clamp for 1994-2003 Pontiac Grand Prix 3.1L 3.8L V6Special Price $3.96 Regular Price $5.99
- Walker Resonator Assm To Left Muffler Assm Exhaust Clamp for 2007-2010 Lincoln MKX 3.5L V6Special Price $3.99 Regular Price $5.99
- Walker Exhaust Clamp for 1987-1995 Chevrolet LLV 2.2L 2.5L L4Special Price $3.99 Regular Price $5.99
- Walker Exhaust Clamp for 1973-1996 Oldsmobile 98 3.8L 4.1L 5.0L 5.7L 6.6L 7.5L V6 V8Special Price $3.99 Regular Price $5.99
- Walker Muffler To Y-Pipe Rear Exhaust Clamp for 2009-2016 GMC Acadia 3.6L V6Special Price $3.99 Regular Price $5.99
- Walker Front Pipe To Int Pipe Exhaust Clamp for 1981-1984 Pontiac Bonneville 5.7L V8Special Price $3.99 Regular Price $5.99
- Walker Exhaust Clamp for 1979-1993 Chrysler New Yorker 3.3L 3.8L 5.2L 5.9L V6 V8Special Price $3.99 Regular Price $5.99
- Walker Resonator To Y-Pipe Exhaust Clamp for 1997-2002 Pontiac Grand Prix 3.8L V6Special Price $3.99 Regular Price $5.99
- Walker Int Pipe To Muffler Exhaust Clamp for 1969-1971 Mercury Montego 5.8L V8Special Price $3.99 Regular Price $5.99
- Walker Converter To Muffler Assm Exhaust Clamp for 2009-2011 Mercury Mariner 2.5L L4Special Price $3.99 Regular Price $5.99
- Walker Converter Rear To Muffler Assm Exhaust Clamp for 2005-2011 Mercury Mariner 2.5L 3.0L L4 V6Special Price $3.99 Regular Price $5.99
- Walker Rear Converter To Resonator Assm Exhaust Clamp for 2000-2009 Mercury Sable 3.0L 3.5L V6Special Price $3.99 Regular Price $5.99
- Walker Exhaust Clamp for 1978-1987 Pontiac Grand Prix 3.8L 4.1L 4.3L 4.9L 5.0L V6 V8Special Price $3.99 Regular Price $5.99
- Walker Int Pipe To Muffler Exhaust Clamp for 1987-1988 Ford Thunderbird 2.3L L4Special Price $3.99 Regular Price $5.99
- Walker Muffler To Int Pipe Exhaust Clamp for 2010-2017 GMC Terrain 2.4L L4Special Price $3.99 Regular Price $5.99
- Walker Exhaust Clamp for 1996-2010 Chrysler Sebring 2.4L 2.5L 2.7L 3.5L L4 V6Special Price $3.99 Regular Price $5.99
- Walker Int Pipe To Muffler Exhaust Clamp for 2000-2011 Chevrolet Impala 3.4L 3.5L 3.8L V6Special Price $3.99 Regular Price $5.99
- Walker Exhaust Clamp for 1973-1983 Buick Estate Wagon 5.0L 5.7L 6.6L 7.5L V8Special Price $3.99 Regular Price $5.99
- Walker Exhaust Clamp for 1973-2017 Chevrolet Impala 2.5L 3.6L 3.8L 4.1L 4.3L 4.4L 5.0L 5.7L 6.6L L4 L6 V6 V8Special Price $3.99 Regular Price $5.99
- Walker Resonator Assm To Muffler Assm Exhaust Clamp for 2000-2005 Pontiac Bonneville 3.8L V6Special Price $3.99 Regular Price $5.99
- Walker Exhaust Clamp for 2011-2017 Dodge Durango 3.6L V6Special Price $3.99 Regular Price $5.99
- Walker Front Pipe To Resonator Assm Exhaust Clamp for 2011-2014 Ford Edge 3.5L V6Special Price $3.99 Regular Price $5.99
- Walker Front Pipe To Converter Exhaust Pipe Flange Gasket for 1983-1996 Honda Prelude 1.8L 2.0L 2.2L 2.3L L4Special Price $4.04 Regular Price $5.99
- Walker Int Pipe Left To Muffler Exhaust Clamp for 2001-2006 GMC Yukon 6.0L V8Special Price $4.23 Regular Price $5.99
- Walker Int Pipe Right To Muffler Exhaust Clamp for 1996-2000 Chevrolet C3500 5.7L 7.4L V8Special Price $4.23 Regular Price $5.99
- Walker Y-Pipe To Converter Exhaust Clamp for 1980 Pontiac Grand Prix 4.9L V8Special Price $4.23 Regular Price $5.99
- Walker Exhaust Clamp for 2005-2014 Chrysler 300 2.7L 3.5L 3.6L V6Special Price $4.23 Regular Price $5.99
- Walker Converter Rear To Muffler Assm Exhaust Clamp for 2006-2012 Toyota RAV4 2.4L 2.5L 3.5L L4 V6Special Price $4.23 Regular Price $5.99