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 Tail Pipe Exhaust Clamp for 1997-2008 Ford F-150 4.2L 4.6L 5.4L V6 V8Special Price $4.23 Regular Price $5.99
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- Walker Muffler To Tail Pipe Exhaust Clamp for 1996-1997 Oldsmobile Bravada 4.3L 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 Muffler To Tail Pipe Exhaust Clamp for 1998-2002 Chevrolet Camaro 5.7L V8Special Price $4.25 Regular Price $5.99
- Walker Muffler To Tail Pipe Exhaust Clamp for 2006-2010 Jeep Commander 4.7L 5.7L V8Special Price $4.25 Regular Price $5.99
- Walker Muffler To Tail Pipe Exhaust Clamp for 2006 Lincoln Mark LT 5.4L V8Special Price $4.49 Regular Price $5.99
- Walker Muffler To Tail Pipe Exhaust Clamp for 2007 GMC Canyon 2.9L 3.7L L4 L5Special Price $4.49 Regular Price $5.99
- 2 pc Walker Muffler To Tail Pipe Exhaust Clamps for 1990-1993 Geo Storm 1.6L 1.8L L4Special Price $6.07 Regular Price $6.37
- Walker Muffler To Tail Pipe Exhaust Clamp for 2007 GMC Sierra 3500 Classic 6.0L 8.1L V8Special Price $7.12 Regular Price $9.99
- Walker Muffler To Tail Pipe Exhaust Clamp for 1992-1995 Chevrolet K1500 Suburban 5.7L V8Special Price $7.12 Regular Price $9.99
- Walker Muffler To Tail Pipe Exhaust Clamp for 1992-1995 GMC C1500 Suburban 5.7L V8Special Price $7.12 Regular Price $9.99
- Walker Muffler To Tail Pipe Exhaust Clamp for 2009-2014 Ford E-250 5.4L V8Special Price $7.12 Regular Price $9.99
- Walker Muffler To Tail Pipe Exhaust Clamp for 2002-2006 Chevrolet Silverado 1500 HD 6.0L V8Special Price $7.12 Regular Price $9.99
- Walker Muffler To Tail Pipe Exhaust Clamp for 2001-2006 GMC Sierra 2500 HD 6.0L 6.6L 8.1L V8Special Price $7.12 Regular Price $9.99
- Walker Muffler To Tail Pipe Exhaust Clamp for 2011-2018 Ram 1500 5.7L V8Special Price $7.12 Regular Price $9.99
- Walker Muffler To Tail Pipe Exhaust Clamp for 2004-2006 GMC Sierra 3500 6.0L 8.1L V8Special Price $7.12 Regular Price $9.99
- Walker Muffler To Tail Pipe Exhaust Clamp for 1994-2002 Dodge Ram 2500 5.9L L6Special Price $7.12 Regular Price $9.99
- Walker Muffler To Tail Pipe Exhaust Clamp for 2009-2016 Ford E-350 Super Duty 5.4L V8Special Price $7.12 Regular Price $9.99
- Walker Muffler To Tail Pipe Exhaust Clamp for 2004-2006 Chevrolet Silverado 3500 6.0L 8.1L V8Special Price $7.12 Regular Price $9.99
- Walker Muffler To Tail Pipe Exhaust Clamp for 2007 Chevrolet Silverado 2500 HD Classic 6.6L V8Special Price $7.12 Regular Price $9.99
- Walker Muffler To Tail Pipe Exhaust Clamp for 1990-1995 Chevrolet K3500 5.7L V8Special Price $7.12 Regular Price $9.99
- Walker Muffler To Tail Pipe Exhaust Clamp for 2006-2008 Dodge Ram 1500 5.7L V8Special Price $7.44 Regular Price $10.99
- Walker Muffler To Tail Pipe Exhaust Clamp for 2007 Chevrolet Silverado 3500 Classic 6.0L 8.1L V8Special Price $7.44 Regular Price $10.99
- Walker Muffler To Tail Pipe Exhaust Clamp for 1990-1995 GMC K3500 5.7L V8Special Price $7.44 Regular Price $10.99
- Walker Muffler To Tail Pipe Exhaust Clamp for 1999-2017 Ford F-350 Super Duty 5.4L 6.2L 6.8L 7.3L V10 V8Special Price $7.44 Regular Price $10.99
- Walker Muffler To Tail Pipe Exhaust Clamp for 1992-1995 GMC K1500 Suburban 5.7L V8Special Price $7.44 Regular Price $10.99
- Walker Muffler To Tail Pipe Exhaust Clamp for 2007 GMC Sierra 2500 HD Classic 6.6L V8Special Price $7.44 Regular Price $10.99