Emission controls in older carbureted engines relied on forcing additional air from pumps and valves located just before the exhaust manifold to ensure better burns. This is known as a secondary air injection system, and today has evolved to increase the efficiency of Catalytic Converters. Failed pumps and leaks are common signs of a bad Air Injection System, leading to off air and fuel ratios and poor acceleration. Remember to check the Manifold Gaskets and Seals for wear and tear when examining the exhaust.
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- Walker SoundFX Exhaust Muffler for 2004-2011 Ford Ranger 2.3L 3.0L 4.0L L4 V6Special Price $92.46 Regular Price $131.99
- 2 pc Walker Exhaust Clamps for 1965-1969 Pontiac Catalina 6.4L 6.6L 6.9L 7.0L V8Special Price $14.67 Regular Price $20.99
- 2 pc Walker SoundFX Exhaust Mufflers for 1967-1976 Dodge Charger 5.6L 5.9L 6.3L 6.6L 7.0L 7.2L V8Special Price $126.15 Regular Price $179.99
- 2 pc Walker SoundFX Exhaust Mufflers for 1968-1970 Plymouth Belvedere 6.3L V8Special Price $128.73 Regular Price $183.99
- Walker Exhaust Clamp for 1982-1996 Oldsmobile Cutlass Ciera 2.2L 2.5L 2.8L 3.1L 3.8L 4.3L L4 V6Special Price $3.71 Regular Price $4.99
- Walker Int Pipe To Muffler Exhaust Clamp for 1983 Mercury Zephyr 2.3L 3.3L L4 L6Special Price $3.71 Regular Price $4.99
- Walker Resonator Assm To Y-Pipe Exhaust Clamp for 2007-2009 Nissan Altima 2.5L L4Special Price $3.71 Regular Price $4.99
- Walker Muffler Assm To Tail Pipe Exhaust Clamp for 1996 Toyota Camry 2.2L L4Special Price $3.71 Regular Price $4.99
- Walker Int Pipe To Right Muffler Assm Exhaust Clamp for 2006-2012 Ford Fusion 3.0L 3.5L V6Special Price $3.71 Regular Price $4.99
- Walker Exhaust Clamp for 1989-1994 Nissan 240SX 2.4L L4Special Price $3.71 Regular Price $4.99
- Walker Exhaust Clamp for 1963-1965 GMC PB1500 Series 2.5L 3.8L 4.8L L4 L6Special Price $3.96 Regular Price $5.99
- Walker Exhaust Clamp for 1970-1986 Ford LTD 4.2L 5.0L 5.8L V8Special Price $3.96 Regular Price $5.99
- Walker Int Pipe To Right Muffler Assm Exhaust Clamp for 2006-2011 Mercury Milan 3.0L V6Special Price $3.96 Regular Price $5.99
- Walker Int Pipe To Right Muffler Assm Exhaust Clamp for 2007-2012 Lincoln MKZ 3.5L V6Special Price $3.96 Regular Price $5.99
- Walker Int Pipe To Muffler Assm Exhaust Clamp for 2006-2012 Ford Fusion 2.3L 2.5L L4Special Price $3.96 Regular Price $5.99
- Walker Exhaust Clamp for 1974 Dodge D200 Pickup 6.6L 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 To Muffler Exhaust Clamp for 1975 Buick Apollo 5.7L V8Special Price $3.99 Regular Price $5.99
- Walker Front Pipe To Int Pipe Exhaust Clamp for 1980-1984 Oldsmobile Cutlass Calais 5.7L V8Special Price $3.99 Regular Price $5.99
- Walker Exhaust Clamp for 1982-2003 Chevrolet S10 1.9L 2.0L 2.2L 2.5L 2.8L 4.3L L4 V6Special Price $3.99 Regular Price $5.99
- Walker Int Pipe To Right Muffler Assm Exhaust Clamp for 2011-2018 Ford Explorer 3.5L V6Special Price $3.99 Regular Price $5.99
- Walker Front Pipe Left To Int Left Exhaust Clamp for 1984-1986 GMC K2500 Suburban 6.2L V8Special Price $3.99 Regular Price $5.99
- Walker Connector To Resonator Assm Exhaust Clamp for 2010-2012 Ford Fusion 2.5L L4Special Price $3.99 Regular Price $5.99