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.
- Walker Exhaust Clamp for 1976-1980 Oldsmobile Cutlass Salon 3.8L 5.0L 5.7L 6.6L 7.5L V6 V8Special Price $4.23 Regular Price $5.99
- Walker Extension Pipe Right To Muffler Exhaust Clamp for 2002-2006 Cadillac Escalade EXT 6.0L V8Special Price $4.23 Regular Price $5.99
- Walker Y-Pipe To Muffler Exhaust Clamp for 1967-1970 Mercury Marauder 6.4L 7.0L V8Special Price $4.23 Regular Price $5.99
- Walker Int Pipe Left To Muffler Left Exhaust Clamp for 1987 Chevrolet R30 6.2L V8Special Price $4.23 Regular Price $5.99
- Walker Converter To Muffler Assm Exhaust Clamp for 2008-2010 Dodge Grand Caravan 3.3L 3.8L V6Special Price $4.23 Regular Price $5.99
- Walker Exhaust Clamp for 1975-1994 Chevrolet G10 4.1L 4.3L 5.0L 5.7L L6 V6 V8Special Price $4.23 Regular Price $5.99
- Walker Int Pipe Right To Muffler Exhaust Clamp for 1996-2000 Chevrolet C3500 5.7L 7.4L V8Special Price $4.23 Regular Price $5.99
- Walker Exhaust Clamp for 2011-2017 Chrysler 200 2.4L 3.6L L4 V6Special Price $4.23 Regular Price $5.99
- Walker Converter To Resonator Assm Exhaust Clamp for 1995 Oldsmobile Aurora 4.0L V8Special Price $4.23 Regular Price $5.99
- Walker Exhaust Clamp for 1975-1994 Chevrolet G30 4.1L 4.3L 4.8L 5.7L 6.2L 6.6L L6 V6 V8Special Price $4.23 Regular Price $5.99
- Walker Int Pipe To Muffler Assm Exhaust Clamp for 2010-2016 Cadillac SRX 3.0L 3.6L V6Special Price $4.23 Regular Price $5.99
- Walker Exhaust Clamp for 1979-1986 GMC K2500 Suburban 5.7L 6.6L V8Special Price $4.23 Regular Price $5.99
- Walker Exhaust Clamp for 1975-1980 Oldsmobile Delta 88 3.8L 4.3L 5.7L 6.6L 7.5L V6 V8Special Price $4.23 Regular Price $5.99
- Walker Extension To Int Pipe Exhaust Clamp for 2006 Lincoln Mark LT 5.4L V8Special Price $4.23 Regular Price $5.99
- Walker Extension Pipe To Converter Exhaust Clamp for 1975-1976 Oldsmobile Cutlass Supreme 5.7L 7.5L V8Special Price $4.23 Regular Price $5.99
- Walker Int Pipe To Muffler Exhaust Clamp for 1988-1995 GMC K3500 5.7L 6.2L 7.4L V8Special Price $4.23 Regular Price $5.99
- Walker Left Exhaust Clamp for 1976-1978 Chevrolet K5 Blazer 5.7L 6.6L V8Special Price $4.23 Regular Price $5.99
- Walker Muffler Assm To Muffler Exhaust Clamp for 2007-2010 Ford Explorer Sport Trac 4.6L V8Special Price $4.23 Regular Price $5.99
- Walker Converter To Int Pipe Exhaust Clamp for 1988-1993 GMC C2500 4.3L 5.0L V6 V8Special Price $4.23 Regular Price $5.99
- Walker Resonator Assm Front To Muffler Exhaust Clamp for 2013-2018 Nissan Pathfinder 3.5L V6Special Price $4.23 Regular Price $5.99
- Walker Muffler To Int Pipe Exhaust Clamp for 2010-2016 Cadillac SRX 3.0L 3.6L V6Special Price $4.23 Regular Price $5.99
- Walker Right Converter To Muffler Exhaust Clamp for 1999-2004 Chevrolet Silverado 2500 6.0L V8Special Price $4.23 Regular Price $5.99
- Walker Front Pipe Right To Connector Right Exhaust Clamp for 1988-1989 GMC V3500 6.2L V8Special Price $4.23 Regular Price $5.99
- Walker Extension Pipe To Muffler Exhaust Clamp for 1996-2000 Chevrolet C3500 5.7L 7.4L V8Special Price $4.23 Regular Price $5.99
- Walker Converter To Int Pipe Front Exhaust Clamp for 1997-1999 Ford F-250 4.6L 5.4L V8Special Price $4.23 Regular Price $5.99
- Walker Front Muffler Assm To Rear Exhaust Clamp for 2006-2007 Buick Rainier 4.2L L6Special Price $4.23 Regular Price $5.99
- Walker Y-Pipe To Converter Exhaust Clamp for 1987 GMC V1500 5.0L V8Special Price $4.23 Regular Price $5.99
- Walker Converter To Connector Exhaust Clamp for 1990-1995 Chevrolet P30 4.3L V6Special Price $4.23 Regular Price $5.99
- Walker Int Pipe Rear To Muffler Exhaust Clamp for 1997-1998 Ford F-150 4.2L 4.6L 5.4L V6 V8Special Price $4.23 Regular Price $5.99
- Walker Front Pipe Left To Muffler Left Exhaust Clamp for 1975-1978 GMC C35 7.4L V8Special Price $4.23 Regular Price $5.99
- Walker Front Pipe Left To Int Left Exhaust Clamp for 1982-1986 Chevrolet C30 6.2L V8Special Price $4.25 Regular Price $5.99
- Walker Converter To Resonator Assm Exhaust Clamp for 2007-2012 Dodge Caliber 1.8L 2.0L 2.4L L4Special Price $4.25 Regular Price $5.99
- Walker Exhaust Clamp for 2003-2005 Lincoln Aviator 4.6L V8Special Price $4.25 Regular Price $5.99
- Walker Exhaust Clamp for 1990-1994 Mazda Protege 1.8L L4Special Price $4.25 Regular Price $5.99
- Walker Muffler Left To Tail Pipe Left Exhaust Clamp for 1979-1985 GMC P3500 7.4L V8Special Price $4.25 Regular Price $5.99
- Walker Exhaust Clamp for 1993-2002 Saturn SC2 1.9L L4Special Price $4.25 Regular Price $5.99
- Walker Front Pipe Left To Int Left Exhaust Clamp for 1982-1991 GMC K3500 6.2L V8Special Price $4.25 Regular Price $5.99
- Walker Rear Converter To Resonator Assm Exhaust Clamp for 2006-2011 Mercury Milan 2.3L 3.0L L4 V6Special Price $4.25 Regular Price $5.99
- Walker Front Pipe Left To Int Left Exhaust Clamp for 1987-1989 GMC V3500 6.2L V8Special Price $4.25 Regular Price $5.99
- Walker Converter To Muffler Exhaust Clamp for 1996-2000 Dodge Grand Caravan 3.0L 3.3L 3.8L V6Special Price $4.25 Regular Price $5.99
- Walker Muffler To Tail Pipe Exhaust Clamp for 1995-2004 GMC Jimmy 4.3L V6Special Price $4.25 Regular Price $5.99
- Walker Front Pipe To Int Pipe Exhaust Clamp for 1983-1984 GMC Caballero 5.7L V8Special Price $4.25 Regular Price $5.99
- Walker Right Exhaust Clamp for 1976-1978 Chevrolet K5 Blazer 5.7L 6.6L V8Special Price $4.25 Regular Price $5.99
- Walker Muffler To Extension Pipe Exhaust Clamp for 2002-2005 Mercury Mountaineer 4.0L 4.6L V6 V8Special Price $4.25 Regular Price $5.99
- Walker Front Pipe Left To Int Exhaust Clamp for 1987-1988 Chevrolet R20 Suburban 6.2L V8Special Price $4.25 Regular Price $5.99
- Walker Converter To Muffler Assm Exhaust Clamp for 1998 Jeep Grand Cherokee 5.9L V8Special Price $4.25 Regular Price $5.99