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 Resonator Assm Exhaust System Insulator for 2007-2009 Saturn Aura 3.5L 3.6L V6Special Price $5.26 Regular Price $7.99
- Walker Resonator Assm Exhaust System Insulator for 2008-2015 Scion xB 2.4L L4Special Price $5.26 Regular Price $7.99
- Walker Resonator Assm Exhaust System Insulator for 1996-2007 Dodge Grand Caravan 3.0L 3.3L 3.8L V6Special Price $7.76 Regular Price $10.99
- Walker Resonator Assm Exhaust System Insulator for 1995-1998 Buick Skylark 3.1L V6Special Price $7.76 Regular Price $10.99
- Walker Resonator Assm Exhaust System Insulator for 2009 Ford Flex 3.5L V6Special Price $8.09 Regular Price $11.99
- Walker Resonator Assm Exhaust System Insulator for 2000-2001 Infiniti I30 3.0L V6Special Price $8.09 Regular Price $11.99
- 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 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 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 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
- Walker Int Pipe To Resonator Assm Exhaust Clamp for 1987-1991 Volkswagen Jetta 1.8L 2.0L L4Special Price $3.99 Regular Price $5.99
- Walker Int Pipe To Resonator Assm Exhaust Clamp for 1989-1991 Audi 100 2.3L L5Special Price $3.99 Regular Price $5.99
- Walker Int Pipe To Resonator Assm Exhaust Clamp for 2008-2009 Mercury Sable 3.5L V6Special Price $4.25 Regular Price $5.99
- Walker Int Pipe To Resonator Assm Exhaust Clamp for 1989-1991 Audi 100 Quattro 2.3L L5Special Price $4.25 Regular Price $5.99
- Walker Int Pipe To Resonator Assm Exhaust Clamp for 2008-2009 Ford Taurus X 3.5L V6Special Price $4.25 Regular Price $5.99
- Walker Int Pipe To Resonator Assm Exhaust Clamp for 2007-2010 Lincoln MKX 3.5L V6Special Price $4.25 Regular Price $5.99
- Walker Int Pipe To Resonator Assm Exhaust Clamp for 2008-2009 Ford Taurus 3.5L V6Special Price $4.25 Regular Price $5.99
- Walker Resonator Assm Exhaust System Insulator for 1991-1999 Nissan Sentra 1.6L L4Special Price $4.99 Regular Price $6.99
- Walker Resonator Assm Exhaust System Insulator for 2005-2009 Subaru Legacy 2.5L H4Special Price $4.99 Regular Price $6.99
- Walker Resonator Assm Exhaust System Insulator for 2014 Nissan Rogue Select 2.5L L4Special Price $4.99 Regular Price $6.99
- Walker Resonator Assm Exhaust System Insulator for 1992-1996 Honda Prelude 2.2L 2.3L L4Special Price $4.99 Regular Price $6.99
- Walker Resonator Assm Exhaust System Insulator for 1998-2005 Subaru Forester 2.5L H4Special Price $4.99 Regular Price $6.99
- Walker Resonator Assm Exhaust System Insulator for 1995-1998 Nissan 200SX 1.6L L4Special Price $4.99 Regular Price $6.99
- Walker Resonator Assm Exhaust System Insulator for 2013-2018 Toyota RAV4 2.5L L4Special Price $4.99 Regular Price $6.99
- Walker Resonator Assm Exhaust System Insulator for 1991-1993 Nissan NX 1.6L 2.0L L4Special Price $4.99 Regular Price $6.99
- Walker Resonator Assm Exhaust System Insulator for 2007-2009 Lexus RX350 3.5L V6Special Price $4.99 Regular Price $6.99
- Walker Resonator Assm Exhaust System Insulator for 2004-2006 Lexus RX330 3.3L V6Special Price $4.99 Regular Price $6.99