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 1998-2001 Ford Explorer 5.0L V8Special Price $4.19 Regular Price $5.99
- Walker Tail Pipe Exhaust System Insulator for 2006-2012 Toyota RAV4 2.4L 2.5L L4Special Price $4.68 Regular Price $6.99
- Walker Tail Pipe Exhaust System Insulator for 1983-1995 Ford F-150 4.9L 5.0L 5.8L L6 V8Special Price $7.69 Regular Price $10.99
- Fel-Pro Right Exhaust Pipe Flange Gasket for 1999-2016 Chevrolet Silverado 1500 4.3L 4.8L 5.3L 6.0L 6.2L V6 V8Special Price $8.36 Regular Price $12.99
- Fel-Pro Right Exhaust Pipe Flange Gasket for 2015-2016 GMC Yukon XL 5.3L 6.2L V8Special Price $8.70 Regular Price $12.99
- Fel-Pro Right Exhaust Pipe Flange Gasket for 2000-2016 Chevrolet Tahoe 4.8L 5.3L 6.0L 6.2L V8Special Price $8.36 Regular Price $12.99
- Walker Tail Pipe Exhaust System Insulator for 1996-2014 Chevrolet Express 1500 4.3L 5.0L 5.3L 5.7L V6 V8Special Price $9.07 Regular Price $13.99
- 2 pc Walker Tail Pipe Exhaust System Insulators for 1996-1998 Toyota T100 3.4L V6Special Price $10.82 Regular Price $15.99
- 2 pc Walker Tail Pipe Exhaust System Hangers for 1987-1988 Chevrolet R10 Suburban 6.2L V8Special Price $19.75 Regular Price $28.99
- 2 pc Walker Tail Pipe Exhaust System Insulators for 2007-2012 Chevrolet Colorado 2.9L 3.7L L4 L5Special Price $19.22 Regular Price $28.99
- 2 pc Walker Tail Pipe Exhaust System Insulators for 1999-2004 Chevrolet Silverado 2500 6.0L V8Special Price $19.22 Regular Price $28.99
- 2 pc Walker Tail Pipe Exhaust System Insulators for 1999-2006 Ford Econoline 5.4L V8Special Price $19.22 Regular Price $28.99
- 2 pc Walker Tail Pipe Exhaust System Insulators for 1998-2007 Ford E-150 Econoline 5.4L V8Special Price $19.79 Regular Price $28.99
- 2 pc Walker Tail Pipe Exhaust System Insulators for 1995-2006 Chevrolet Tahoe 4.8L 5.3L 5.7L V8Special Price $19.22 Regular Price $28.99
- 2 pc Walker Tail Pipe Exhaust System Hangers for 1989-1991 Chevrolet R1500 Suburban 6.2L V8Special Price $19.75 Regular Price $29.99
- 3 pc Walker Tail Pipe Exhaust System Insulators for 2011-2017 Chevrolet Silverado 3500 HD 6.0L V8Special Price $30.15 Regular Price $44.99
- Walker Right Exhaust Pipe Spout for 2011-2018 Ram 1500 5.7L V8Special Price $60.28 Regular Price $87.99
- Walker Quiet-Flow Right Exhaust Muffler for 1977-1981 Chevrolet Camaro 5.0L 5.7L V8Special Price $61.81 Regular Price $90.99
- Dorman Right Exhaust Manifold for 2004-2009 Ford F-150 5.4L V8Special Price $123.20 Regular Price $125.72
- Walker Right Exhaust Clamp for 2010-2013 Mazda 3 2.3L 2.5L L4Special Price $3.31 Regular Price $4.99
- Walker Right Exhaust Clamp for 1981-1985 Cadillac Seville 4.1L 6.0L V8Special Price $3.31 Regular Price $4.99
- Walker Right Exhaust Clamp for 1996-1999 Pontiac Bonneville 3.8L V6Special Price $3.43 Regular Price $4.99
- Fel-Pro Right Exhaust Pipe Flange Gasket for 1990-1992 Toyota Land Cruiser 4.0L L6Special Price $3.23 Regular Price $4.99
- Walker Right Exhaust Clamp for 1982-1985 Oldsmobile Toronado 5.7L V8Special Price $3.43 Regular Price $3.54
- Walker Right Exhaust Clamp for 1973-1974 Chevrolet K20 Pickup 5.0L 5.7L V8Special Price $3.43 Regular Price $3.54
- Walker Right Exhaust Clamp for 1973-1974 GMC K15 K1500 Pickup 5.7L V8Special Price $3.67 Regular Price $4.99
- Walker Right Exhaust Clamp for 1979-1992 Cadillac Eldorado 4.9L 5.7L 6.0L V8Special Price $3.67 Regular Price $4.99