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 Exhaust Clamp for 1992-1993 Dodge Dakota 3.9L 5.2L V6 V8Special Price $7.12 Regular Price $9.99
- Walker Converter To Int Pipe Exhaust Clamp for 1988-1995 Chevrolet C3500 5.7L 7.4L V8Special Price $7.12 Regular Price $9.99
- Walker Y-Pipe To Converter Exhaust Clamp for 1989 Chevrolet V3500 5.7L 7.4L V8Special Price $7.12 Regular Price $9.99
- Walker Muffler To Extension Pipe Exhaust Clamp for 1990-1996 Chevrolet P30 7.4L V8Special Price $7.12 Regular Price $9.99
- Walker Y-Pipe To Converter Front Exhaust Clamp for 1989 Chevrolet V3500 5.7L 7.4L V8Special Price $7.12 Regular Price $9.99
- Walker Y-Pipe To Converter Exhaust Clamp for 1992-1996 GMC G3500 4.3L 5.7L V6 V8Special Price $7.12 Regular Price $9.99
- Walker Y-Pipe To Converter Exhaust Clamp for 1988-1989 GMC V3500 5.7L 7.4L V8Special Price $7.12 Regular Price $9.99
- Walker Y-Pipe To Int Pipe Exhaust Clamp for 1988-1993 Chevrolet K1500 6.2L V8Special Price $7.12 Regular Price $9.99
- Walker Y-Pipe To Converter Exhaust Clamp for 1992-1993 GMC K1500 Suburban 5.7L V8Special Price $7.12 Regular Price $9.99
- Walker Int Pipe To Converter Exhaust Clamp for 1990 Chevrolet C3500 5.7L V8Special Price $7.12 Regular Price $9.99
- Walker Converter To Int Pipe Exhaust Clamp for 1992-1994 Chevrolet Blazer 5.7L V8Special Price $7.12 Regular Price $9.99
- Walker Converter To Int Pipe Exhaust Clamp for 1988-1993 Chevrolet C1500 5.7L V8Special Price $7.12 Regular Price $9.99
- Walker Converter To Int Pipe Exhaust Clamp for 1992-1993 Chevrolet K1500 Suburban 5.7L V8Special Price $7.44 Regular Price $10.99
- Walker Converter Front To Int Pipe Exhaust Clamp for 1987-1988 Chevrolet V30 5.7L 7.4L V8Special Price $7.44 Regular Price $10.99
- Walker Converter To Extension Pipe Exhaust Clamp for 2006-2008 Dodge Ram 1500 3.7L 4.7L V6 V8Special Price $7.44 Regular Price $10.99
- Walker Converter To Int Pipe Exhaust Clamp for 1992-1993 GMC C1500 Suburban 5.7L V8Special Price $7.44 Regular Price $10.99
- Walker Muffler Assm To Tail Pipe Exhaust Clamp for 1991 Chevrolet G10 5.7L V8Special Price $7.44 Regular Price $10.99
- Walker Converter To Int Pipe Exhaust Clamp for 1992-1995 Chevrolet K2500 Suburban 5.7L V8Special Price $7.44 Regular Price $10.99
- Walker Front Pipe To Int Pipe Exhaust Pipe Flange Gasket for 1995-1996 Nissan 200SX 1.6L L4Special Price $7.44 Regular Price $10.99
- Walker Exhaust Clamp for 2003-2010 Dodge Ram 1500 3.7L 4.7L 5.7L V6 V8Special Price $7.44 Regular Price $10.99
- Walker Y-Pipe Exhaust System Insulator for 2007-2008 Saturn Outlook 3.6L V6Special Price $7.76 Regular Price $10.99
- Walker Resonator Assm Exhaust System Insulator for 1990-1993 Hyundai Sonata 2.0L 3.0L L4 V6Special Price $8.09 Regular Price $11.99
- 2 pc Walker Exhaust Clamps for 1995-2002 Lincoln Continental 4.6L V8Special Price $8.35 Regular Price $11.99
- Walker Exhaust System Insulator for 1996-1999 GMC Savana 1500 4.3L 5.0L V6 V8Special Price $9.51 Regular Price $13.99
- Walker Extension Pipe Exhaust System Insulator for 1994-1995 Chevrolet C1500 4.3L 5.0L 5.7L 6.5L V6 V8Special Price $9.51 Regular Price $13.99
- Walker Exhaust System Insulator for 2006-2007 Hummer H3 3.5L 3.7L L5Special Price $9.51 Regular Price $13.99
- Walker Tail Pipe Exhaust System Insulator for 2007-2010 Chevrolet Silverado 3500 HD 6.0L V8Special Price $9.51 Regular Price $13.99
- Walker Extension Pipe Exhaust System Insulator for 1994-1995 GMC C1500 4.3L 5.0L 5.7L 6.5L V6 V8Special Price $9.51 Regular Price $13.99
- Walker Tail Pipe Exhaust System Insulator for 1990-1995 GMC K3500 5.7L 6.2L V8Special Price $9.87 Regular Price $13.99
- Walker Extension Pipe Exhaust System Insulator for 1996-2014 Chevrolet Tahoe 4.8L 5.3L 5.7L 6.2L V8Special Price $9.87 Regular Price $13.99
- Walker Muffler Exhaust System Insulator for 1990-1994 Chevrolet C35 5.7L V8Special Price $9.87 Regular Price $13.99
- 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 Int Pipe Exhaust System Insulators for 2004-2008 Chevrolet Malibu 2.2L 3.5L L4 V6Special Price $10.91 Regular Price $15.99
- 2 pc Walker Int Pipe Exhaust System Insulators for 1987-1990 Dodge Colt 1.5L 1.6L L4Special Price $10.91 Regular Price $15.99
- 2 pc Walker Muffler Exhaust System Insulators for 1993-1997 Geo Prizm 1.6L 1.8L L4Special Price $10.91 Regular Price $15.99
- 2 pc Walker Exhaust System Insulators for 1993-1997 Ford Probe 2.5L V6Special Price $10.91 Regular Price $15.99
- 2 pc Walker Converter Exhaust System Insulators for 1988 Mitsubishi Mirage 1.6L L4Special Price $10.91 Regular Price $15.99