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 Right Exhaust Clamp for 1976-1978 Chevrolet K10 5.0L 5.7L 6.6L V8Special Price $4.25 Regular Price $5.99
- Walker Int Pipe Rear To Muffler Exhaust Clamp for 1982-1987 Chevrolet P20 5.7L V8Special Price $4.49 Regular Price $5.99
- Fel-Pro Right Exhaust Pipe Flange Gasket for 1999-2016 Chevrolet Express 2500 4.3L 4.8L 5.3L 6.0L V6 V8Special Price $8.78 Regular Price $12.99
- Walker Right Exhaust Clamp for 2010-2013 Mazda 3 2.3L 2.5L L4Special Price $3.34 Regular Price $4.99
- Walker Right Exhaust Clamp for 1981-1985 Cadillac Seville 4.1L 6.0L V8Special Price $3.34 Regular Price $4.99
- Fel-Pro Right Exhaust Pipe Flange Gasket for 1990-1992 Toyota Land Cruiser 4.0L L6Special Price $3.50 Regular Price $4.99
- Walker Int Pipe Rear To Muffler Exhaust Clamp for 1985 Cadillac Fleetwood 4.3L V6Special Price $3.71 Regular Price $4.99
- Walker Right Exhaust Clamp for 1973-1974 GMC K15 K1500 Pickup 5.7L V8Special Price $3.71 Regular Price $4.99
- Walker Right Exhaust Clamp for 1979-1992 Cadillac Eldorado 4.9L 5.7L 6.0L V8Special Price $3.71 Regular Price $4.99
- Walker Int Pipe Rear To Muffler Exhaust Clamp for 1985 Cadillac DeVille 4.3L V6Special Price $3.71 Regular Price $4.99
- Walker Int Pipe Rear To Muffler Exhaust Clamp for 1985 Buick Electra 4.3L V6Special Price $3.71 Regular Price $4.99
- Walker Int Pipe Rear To Muffler Exhaust Clamp for 1985 Cadillac Commercial Chassis 4.3L V6Special Price $3.71 Regular Price $4.99
- Walker Right Exhaust Clamp for 1991-1997 Mercury Cougar 4.6L 5.0L V8Special Price $3.71 Regular Price $4.99
- Walker Right Exhaust Clamp for 1996-1999 Pontiac Bonneville 3.8L V6Special Price $3.96 Regular Price $5.99
- Walker Right Exhaust Clamp for 1965-1966 Chevrolet Malibu 5.3L V8Special Price $3.96 Regular Price $5.99
- Walker Right Exhaust Clamp for 1968-1971 Oldsmobile 442 6.6L 7.5L V8Special Price $3.99 Regular Price $5.99
- Walker Int Pipe Rear To Muffler Exhaust Clamp for 1965-1967 Cadillac DeVille 7.0L V8Special Price $3.99 Regular Price $5.99
- Walker Int Pipe Rear To Muffler Exhaust Clamp for 2009 Ford Flex 3.5L V6Special Price $3.99 Regular Price $5.99
- Walker Right Exhaust Clamp for 1981-1986 Chevrolet K30 5.7L 7.4L V8Special Price $3.99 Regular Price $5.99
- Walker Right Exhaust Clamp for 1965-1972 Oldsmobile F85 5.4L 5.7L 6.6L 7.5L V8Special Price $3.99 Regular Price $5.99
- Walker Int Pipe Rear To Muffler Exhaust Clamp for 1987-1995 Ford F-250 4.9L 5.0L L6 V8Special Price $3.99 Regular Price $5.99