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 Muffler Assm Exhaust System Insulators for 2003-2019 Toyota Corolla 1.8L L4Special Price $11.30 Regular Price $15.99
- 2 pc Walker Exhaust Pipe Flange Gaskets for 1991-1995 Isuzu Rodeo 3.1L 3.2L V6Special Price $10.08 Regular Price $13.99
- 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
- 2 pc Walker Exhaust Clamps for 1965-1969 Pontiac Catalina 6.4L 6.6L 6.9L 7.0L V8Special Price $14.67 Regular Price $20.99
- 2 pc Walker Y-Pipe Exhaust System Insulators for 2000-2005 Chevrolet Monte Carlo 3.8L V6Special Price $16.95 Regular Price $23.99
- 2 pc Walker Exhaust System Insulators for 1995-2010 Dodge Ram 2500 5.2L 5.9L 6.7L L6 V8Special Price $16.95 Regular Price $23.99
- 2 pc Walker Exhaust Pipe Spouts for 1992-1995 BMW 525i 2.5L L6Special Price $37.45 Regular Price $52.99
- 2 pc Walker SoundFX Exhaust Mufflers for 1968-1970 Plymouth Belvedere 6.3L V8Special Price $128.73 Regular Price $183.99
- 2 pc Walker Front Converter To Rear Converter Exhaust Pipe Flange Gaskets for 2001-2005 Lexus IS300 3.0L L6Special Price $7.63 Regular Price $10.99
- 2 pc Walker Exhaust Clamps for 1993-1995 Cadillac Eldorado 4.6L 4.9L V8Special Price $8.35 Regular Price $11.99
- 2 pc Walker Exhaust Clamps for 1992-1997 Cadillac Seville 4.6L 4.9L V8Special Price $8.35 Regular Price $11.99
- 2 pc Walker Exhaust Clamps for 1982-1984 Oldsmobile Omega 2.5L 2.8L L4 V6Special Price $8.69 Regular Price $11.99
- 2 pc Walker Exhaust Clamps for 1982-1985 Oldsmobile Cutlass Ciera 2.5L 2.8L 3.0L L4 V6Special Price $8.69 Regular Price $11.99
- 2 pc Walker H-Pipe To Muffler Exhaust Clamps for 1996-2000 Chevrolet Tahoe 5.7L V8Special Price $8.69 Regular Price $11.99
- 2 pc Walker Exhaust System Insulators for 1999-2000 Mazda Miata 1.8L L4Special Price $10.91 Regular Price $15.99
- 2 pc Walker Resonator Assm Exhaust System Insulators for 2007-2010 Pontiac G5 2.2L 2.4L L4Special Price $10.91 Regular Price $15.99
- 2 pc Walker Exhaust System Insulators for 1993-1997 Mazda MX-6 2.5L V6Special Price $10.91 Regular Price $15.99
- 2 pc Walker Exhaust System Insulators for 1994-1995 Chevrolet Impala 5.7L V8Special Price $10.91 Regular Price $15.99
- 2 pc Walker Muffler Exhaust System Insulators for 2005-2010 Chevrolet Cobalt 2.2L 2.4L L4Special Price $11.30 Regular Price $15.99
- 2 pc Walker Exhaust System Insulators for 1992-1995 Buick Roadmaster 5.7L V8Special Price $11.30 Regular Price $15.99
- 2 pc Walker Muffler Right Exhaust System Insulators for 2009-2013 Subaru Forester 2.5L H4Special Price $11.30 Regular Price $15.99
- 2 pc Walker Exhaust System Insulators for 1995-2004 Toyota Tacoma 2.4L 2.7L L4Special Price $11.30 Regular Price $15.99
- 2 pc Walker Resonator Assm Exhaust System Insulators for 2006-2008 Lexus RX400h 3.3L V6Special Price $11.30 Regular Price $15.99
- 2 pc Walker Resonator Assm Exhaust System Insulators for 1998-2002 Chevrolet Prizm 1.8L L4Special Price $11.30 Regular Price $15.99
- 2 pc Walker Muffler Assm Exhaust System Insulators for 2002-2006 Toyota Camry 3.0L 3.3L V6Special Price $11.30 Regular Price $15.99
- 2 pc Walker Exhaust System Insulators for 1985-1988 Chevrolet Sprint 1.0L L3Special Price $11.30 Regular Price $15.99
- 2 pc Walker Exhaust System Insulators for 1983-1994 Toyota Tercel 1.5L L4Special Price $11.30 Regular Price $15.99
- 2 pc Walker Exhaust Clamps for 1987 Chevrolet V20 6.2L V8Special Price $14.21 Regular Price $19.99
- 2 pc Walker Exhaust Clamps for 2001-2003 Ford F-150 5.4L V8Special Price $14.67 Regular Price $20.99
- 2 pc Walker Resonator Assm Exhaust System Insulators for 2009-2012 Ford Escape 2.5L 3.0L L4 V6Special Price $16.44 Regular Price $22.99
- 2 pc Walker Muffler Assm Exhaust System Insulators for 2007-2017 Jeep Patriot 2.0L 2.4L L4Special Price $16.44 Regular Price $22.99
- 2 pc Walker Resonator Assm Exhaust System Insulators for 2007-2016 Nissan Altima 2.5L 3.5L L4 V6Special Price $16.44 Regular Price $22.99
- 2 pc Walker Resonator Assm Exhaust System Insulators for 1998-2012 Honda Accord 2.3L 2.4L 3.5L L4 V6Special Price $16.95 Regular Price $23.99
- 2 pc Walker Muffler Exhaust System Insulators for 2004-2011 Ford Ranger 2.3L L4Special Price $16.95 Regular Price $23.99
- 2 pc Walker Muffler Assm Exhaust System Insulators for 2008-2013 Nissan Rogue 2.5L L4Special Price $16.95 Regular Price $23.99
- 2 pc Walker Y-Pipe To Int Pipe Exhaust Clamps for 1989-1993 Chevrolet C2500 6.2L V8Special Price $18.56 Regular Price $26.99