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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- 3 pc Walker Exhaust System Insulators for 2010-2013 Toyota Tundra 4.6L 5.7L V8Special Price $16.19 Regular Price $24.99
- 3 pc Walker Muffler Assm Exhaust System Insulators for 2008-2012 Chevrolet Malibu 3.6L V6Special Price $16.69 Regular Price $24.99
- 3 pc Walker Exhaust Clamps for 1989-1997 Ford Thunderbird 3.8L 4.6L 5.0L V6 V8Special Price $16.01 Regular Price $22.99
- 3 pc Walker Exhaust Clamps for 1996-1998 Lincoln Mark VIII 4.6L V8Special Price $15.52 Regular Price $22.99
- 3 pc Walker Exhaust System Insulators for 2008-2014 Dodge Avenger 2.4L L4Special Price $16.69 Regular Price $23.99
- 3 pc Walker Muffler Assm Exhaust System Insulators for 2006-2007 Subaru Impreza 2.5L H4Special Price $16.19 Regular Price $23.99
- 3 pc Walker Muffler Assm Exhaust System Insulators for 2007-2012 Nissan Sentra 2.0L L4Special Price $16.19 Regular Price $23.99
- 3 pc Walker Exhaust Clamps for 1988-1996 Ford E-350 Econoline 5.8L V8Special Price $17.06 Regular Price $24.99
- 3 pc Walker Exhaust System Insulators for 1989-1997 Geo Tracker 1.6L L4Special Price $16.19 Regular Price $24.99
- 3 pc Walker Exhaust System Insulators for 1989-1994 Geo Metro 1.0L L3Special Price $16.19 Regular Price $24.99
- 3 pc Walker Exhaust System Insulators for 1986-1993 Toyota Celica 1.6L 2.0L 2.2L L4Special Price $16.19 Regular Price $22.99
- 3 pc Walker Muffler Assm Exhaust System Insulators for 1998-2008 Subaru Forester 2.5L H4Special Price $16.19 Regular Price $24.99
- 3 pc Walker Muffler Exhaust System Insulators for 2009-2014 Nissan Cube 1.8L L4Special Price $16.69 Regular Price $24.99
- 3 pc Walker Muffler Assm Exhaust System Insulators for 2007-2009 Pontiac Torrent 3.4L V6Special Price $29.38 Regular Price $42.99
- 3 pc Walker Exhaust System Insulators for 1998-2000 Chevrolet Tahoe 5.7L V8Special Price $29.38 Regular Price $42.99
- 3 pc Walker Tail Pipe Exhaust System Insulators for 2011-2017 Chevrolet Silverado 3500 HD 6.0L V8Special Price $30.15 Regular Price $44.99
- 3 pc Walker Muffler Assm Exhaust System Insulators for 2005-2009 Hyundai Tucson 2.7L V6Special Price $30.15 Regular Price $44.99
- 3 pc Walker Muffler Assm Exhaust System Insulators for 1996-1999 Isuzu Oasis 2.2L 2.3L L4Special Price $13.62 Regular Price $20.99
- 3 pc Walker Exhaust Clamps for 1981-1983 Renault R18i 1.6L L4Special Price $15.30 Regular Price $21.99
- 3 pc Walker Exhaust Pipe Flange Gaskets for 1986-1988 Mazda RX-7 1.3L R2Special Price $15.29 Regular Price $21.99
- 3 pc Walker Exhaust Clamps for 1973-1974 Pontiac Firebird 5.7L 6.6L 7.5L V8Special Price $16.09 Regular Price $22.99