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 Muffler To Resonator Assm Exhaust Clamp for 2000 Chrysler Grand Voyager 3.3L V6Special Price $3.71 Regular Price $4.99
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- Walker Exhaust Clamp for 1981-1990 Toyota Land Cruiser 4.0L 4.2L L6Special Price $3.71 Regular Price $4.99
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- Walker Right Exhaust Clamp for 1973-1974 GMC K15 K1500 Pickup 5.7L V8Special Price $3.71 Regular Price $4.99
- Walker Exhaust Clamp for 2004-2007 Ford Freestar 3.9L 4.2L V6Special 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 Y-Pipe Rear To Resonator Assm Right Exhaust Clamp for 2009-2017 Chevrolet Traverse 3.6L V6Special Price $3.71 Regular Price $4.99
- Walker Int Pipe To Muffler Exhaust Clamp for 2001 Ford Explorer Sport 4.0L V6Special Price $3.71 Regular Price $4.99
- Walker Int Pipe To Muffler Exhaust Clamp for 1986-1991 Subaru XT 1.8L 2.7L H4 H6Special Price $3.71 Regular Price $4.99
- Walker Resonator To Right Muffler Assm Exhaust Clamp for 2009-2016 Nissan Altima 2.5L L4Special Price $3.71 Regular Price $4.99
- Walker Muffler To Resonator Assm Exhaust Clamp for 1996-2000 Dodge Grand Caravan 3.0L V6Special Price $3.71 Regular Price $4.99
- Walker Front Pipe To Muffler Exhaust Clamp for 1963-1967 Chevrolet P20 Series 3.8L 4.1L 4.8L L6Special Price $3.71 Regular Price $4.99
- Walker Int Pipe To Resonator Exhaust Clamp for 1985-1986 Audi 4000 Quattro 2.2L L5Special Price $3.71 Regular Price $4.99
- Walker Front Pipe To Muffler Exhaust Clamp for 1967-1972 GMC P25 P2500 Van 4.1L 4.8L L6Special Price $3.96 Regular Price $5.99
- Walker Extension Pipe To Muffler Exhaust Clamp for 1987-1991 Dodge Daytona 2.2L 3.0L L4 V6Special Price $3.96 Regular Price $5.99
- Walker Y-Pipe Rear To Resonator Assm Right Exhaust Clamp for 2008-2017 Buick Enclave 3.6L V6Special Price $3.96 Regular Price $5.99
- Walker Front Pipe To Muffler Exhaust Clamp for 1967-1974 GMC G15 G1500 Van 3.8L 4.1L L6Special Price $3.96 Regular Price $5.99
- Walker Exhaust Clamp for 1960-1972 Chevrolet C20 Pickup 3.8L 4.1L 4.3L 4.6L 4.8L 5.7L L6 V8Special Price $3.96 Regular Price $5.99
- Walker Front Muffler Assm To Rear Exhaust Clamp for 1985-1987 Volkswagen Jetta 1.8L L4Special Price $3.96 Regular Price $5.99
- Walker Int Pipe To Muffler Front Exhaust Clamp for 1977-1981 Volvo 265 2.7L 2.8L V6Special Price $3.96 Regular Price $5.99
