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 SoundFX Front Exhaust Muffler for 2006-2009 Chevrolet Trailblazer 4.2L L6Special Price $84.27 Regular Price $85.99
- Walker SoundFX Exhaust Muffler for 1965-1972 Ford Galaxie 500 3.9L 4.7L 6.4L 7.0L L6 V8Special Price $64.07 Regular Price $65.38
- Walker SoundFX Exhaust Muffler for 2004-2011 Ford Ranger 2.3L 3.0L 4.0L L4 V6Special Price $91.87 Regular Price $131.99
- 2 pc Walker SoundFX Exhaust Mufflers for 1968-1970 Plymouth Belvedere 6.3L V8Special Price $125.34 Regular Price $183.99
- Walker Quiet-Flow Exhaust Muffler for 1958-1964 Chevrolet Impala 3.8L 4.6L 5.3L 5.4L 5.7L 6.7L 7.0L L6 V8Special Price $89.03 Regular Price $130.99
- Wells WVE PCV Valve for 2004-2009 Mercury Grand Marquis Milan Montego Monterey Sable 3.0L 4.2L 4.6L V6 V8Special Price $54.32 Regular Price $55.43
- Walker SoundFX Exhaust Muffler for 1985-1990 Chevrolet G30 4.3L V6Special Price $55.62 Regular Price $78.99
- Walker SoundFX Exhaust Muffler for 1986-1987 BMW 325es 2.7L L6Special Price $61.49 Regular Price $89.99
- Walker SoundFX Exhaust Muffler for 1987 GMC V2500 5.7L V8Special Price $63.13 Regular Price $64.42
- Walker SoundFX Exhaust Muffler for 1975-1976 Chevrolet Caprice 6.6L V8Special Price $63.13 Regular Price $64.42
- Walker SoundFX Exhaust Muffler for 1978-1984 GMC Caballero 3.3L 3.8L 4.4L 5.0L V6 V8Special Price $64.07 Regular Price $95.99
- Walker SoundFX Exhaust Muffler for 1974 Ford LTD 5.8L V8Special Price $67.32 Regular Price $95.99
- Walker SoundFX Exhaust Muffler for 1974-1976 Ford Gran Torino 5.8L 6.6L V8Special Price $67.32 Regular Price $95.99
- Walker SoundFX Exhaust Muffler for 1977-1978 Dodge Monaco 5.2L 6.6L V8Special Price $67.32 Regular Price $98.99
- Walker SoundFX Exhaust Muffler for 1969-1970 Ford Fairlane 5.8L V8Special Price $68.70 Regular Price $98.99
- Walker SoundFX Left Exhaust Muffler for 1975-1978 Mercury Marquis 7.5L V8Special Price $67.32 Regular Price $98.99
- Walker SoundFX Exhaust Muffler for 1999-2001 Jeep Grand Cherokee 4.0L 4.7L L6 V8Special Price $69.64 Regular Price $71.07
- Walker SoundFX Exhaust Muffler for 1987 Chevrolet V10 4.3L V6Special Price $70.36 Regular Price $71.80
- Walker SoundFX Left Exhaust Muffler for 1987-1988 Chevrolet V30 6.2L V8Special Price $70.36 Regular Price $71.80
- Walker SoundFX Exhaust Muffler for 1991-1994 GMC Sonoma 2.2L 2.5L 2.8L 4.3L L4 V6Special Price $72.26 Regular Price $103.99
- Walker SoundFX Left Exhaust Muffler for 1987-1989 GMC R2500 6.2L V8Special Price $71.80 Regular Price $104.99
- Walker SoundFX Exhaust Muffler for 1978-1987 Oldsmobile Cutlass Salon 4.3L 5.0L V8Special Price $72.26 Regular Price $105.99