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 Y-Pipe To Converter Exhaust Clamp for 1979-1993 GMC C1500 4.1L 4.3L 5.0L 5.7L L6 V6 V8Special Price $4.23 Regular Price $5.99
- Walker Y-Pipe To Converter Exhaust Clamp for 1976 Buick LeSabre 3.8L V6Special Price $4.23 Regular Price $5.99
- Walker Y-Pipe To Converter Exhaust Clamp for 1978-1986 Chevrolet C10 4.1L 5.0L 5.7L L6 V8Special Price $4.23 Regular Price $5.99
- Walker Extension Pipe To Muffler Exhaust Clamp for 2001-2006 Chevrolet Silverado 2500 HD 6.0L 8.1L V8Special Price $4.49 Regular Price $5.99
- Walker Y-Pipe To Converter Exhaust Clamp for 1980-1993 GMC K1500 4.3L 5.0L 5.7L V6 V8Special Price $4.49 Regular Price $5.99
- Walker Y-Pipe To Converter Exhaust Clamp for 1989 Chevrolet V3500 5.7L 7.4L V8Special Price $7.12 Regular Price $9.99
- Walker 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 Converter Exhaust Clamp for 1992-1993 GMC K1500 Suburban 5.7L V8Special Price $7.12 Regular Price $9.99
- Walker Y-Pipe To Converter Exhaust Pipe Flange Gasket for 1986-1987 Ford Ranger 2.9L V6Special Price $2.74 Regular Price $3.99
- Walker Extension Pipe To Muffler Exhaust Clamp for 1991 Nissan Sentra 1.6L L4Special Price $3.34 Regular Price $4.99
- Walker Extension Pipe To Muffler Exhaust Clamp for 1989-1992 Dodge Colt 1.5L L4Special Price $3.34 Regular Price $4.99
- Walker Extension Pipe To Muffler Exhaust Clamp for 1991-1993 Nissan NX 1.6L L4Special Price $3.34 Regular Price $4.99
- Walker Extension Pipe To Muffler Exhaust Clamp for 1987-1989 Toyota Celica 2.0L L4Special Price $3.34 Regular Price $4.99
- Walker Extension Pipe To Muffler Exhaust Clamp for 1986-1988 Nissan Stanza 2.0L L4Special Price $3.58 Regular Price $4.99
- Walker Extension Pipe To Muffler Exhaust Clamp for 1992-1995 Honda Civic 1.5L 1.6L L4Special Price $3.58 Regular Price $4.99
- Walker Extension Pipe To Muffler Exhaust Clamp for 1967 Chevrolet K10 Pickup 4.6L V8Special Price $3.71 Regular Price $4.99
- Walker Extension Pipe To Muffler Exhaust Clamp for 1993 Asuna Sunfire 1.8L L4Special Price $3.71 Regular Price $4.99
- Walker Extension Pipe To Muffler Exhaust Clamp for 1968 GMC P35 P3500 Van 5.0L V8Special Price $3.71 Regular Price $4.99
- Walker Extension Pipe To Muffler Exhaust Clamp for 1990-1993 Hyundai Sonata 3.0L V6Special Price $3.71 Regular Price $4.99