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 Tail Pipe Exhaust System Insulator for 1983-1995 Ford F-150 4.9L 5.0L 5.8L L6 V8Special Price $13.35 Regular Price $18.99 -
Fel-Pro EGR Valve Gasket for 1997-2010 Ford F-150 4.2L 4.6L V6 V8Special Price $9.70 Regular Price $13.99 -
Fel-Pro Exhaust Manifold Gasket Set for 1997-2008 Ford F-150 4.2L V6Special Price $30.37 Regular Price $42.99Out of stock -
Walker Exhaust Clamp for 1975-1978 Ford F-150 4.9L 5.0L L6 V8Special Price $10.46 Regular Price $14.99 -
Walker Int Pipe Rear To Muffler Exhaust Clamp for 1987-1995 Ford F-150 4.9L 5.0L L6 V8Special Price $10.52 Regular Price $14.99 -
Walker Bracket Exhaust Clamp for 1987-1995 Ford F-150 5.0L V8Special Price $10.52 Regular Price $14.99 -
Walker Exhaust Clamp for 1975-2019 Ford F-150 2.7L 3.5L 3.7L 4.2L 4.6L 5.0L 5.4L 5.8L 5.9L 6.2L 6.4L 6.6L 7.5L V6 V8Special Price $10.70 Regular Price $14.99 -
Fel-Pro Exhaust Pipe Flange Gasket for 1975-1984 Ford F-150 4.9L L6Special Price $11.29 Regular Price $15.99 -
Walker Muffler To Tail Pipe Exhaust Clamp for 2011-2019 Ford F-150 2.7L 3.5L V6Special Price $12.43 Regular Price $17.99 -
Fel-Pro Exhaust Manifold Gasket Set for 1997-2010 Ford F-150 4.6L 5.4L V8Special Price $25.33 Regular Price $35.99 -
Fel-Pro Exhaust Manifold Gasket Set for 1977-1981 Ford F-150 5.8L 6.6L V8Special Price $26.19 Regular Price $36.99 -
Fel-Pro Exhaust Flange Stud & Nut for 1997-2010 Ford F-150 4.2L 4.6L 5.4L V6 V8Special Price $31.48 Regular Price $44.99 -
Walker Quiet-Flow Exhaust Muffler for 1987-1996 Ford F-150 4.9L 5.0L L6 V8Special Price $121.94 Regular Price $173.99 -
Walker Quiet-Flow Exhaust Muffler for 1997-2003 Ford F-150 4.2L 4.6L 5.4L V6 V8Special Price $170.99 Regular Price $243.99 -
Dorman Left Exhaust Manifold for 1977-1981 Ford F-150 5.8L 6.6L V8Special Price $214.08 Regular Price $305.99 -
Walker Muffler To Tail Pipe Exhaust Clamp for 1983-1995 Ford F-150 4.9L 5.0L 5.8L L6 V8Special Price $9.40 Regular Price $12.99Out of stock -
Walker Exhaust Clamp for 1977-1996 Ford F-150 4.9L 5.0L 5.8L 6.6L L6 V8Special Price $9.40 Regular Price $12.99Out of stock -
Walker Left Exhaust Clamp for 1984-1995 Ford F-150 5.8L V8Special Price $9.44 Regular Price $12.99Out of stock -
Walker Exhaust Clamp for 1975-1996 Ford F-150 5.8L 5.9L 6.4L V8Special Price $9.58 Regular Price $13.99Out of stock -
Walker Exhaust Clamp for 1975-1995 Ford F-150 4.9L 5.0L 5.8L 5.9L 6.4L 7.5L L6 V8Special Price $9.64 Regular Price $13.99Out of stock -
Fel-Pro EGR Valve Gasket for 1985-1996 Ford F-150 4.9L 5.0L 5.8L L6 V8Special Price $10.10 Regular Price $13.99 -
Walker Converter To Int Pipe Exhaust Clamp for 1983-1995 Ford F-150 4.9L 5.0L 5.8L L6 V8Special Price $10.30 Regular Price $14.99 -
Walker Int Pipe To Muffler Exhaust Clamp for 1983-1995 Ford F-150 4.9L 5.0L 5.8L L6 V8Special Price $10.30 Regular Price $14.99 -
Walker Exhaust Clamp for 1975-1996 Ford F-150 4.9L 5.0L 5.8L 5.9L 6.4L 7.5L L6 V8Special Price $10.30 Regular Price $14.99 -
Walker Int Pipe Front To Rear Exhaust Clamp for 1987-1995 Ford F-150 4.9L 5.0L L6 V8Special Price $10.30 Regular Price $14.99 -
Walker Int Pipe Front To Rear Exhaust Clamp for 1997-1998 Ford F-150 4.2L 4.6L 5.4L V6 V8Special Price $10.48 Regular Price $14.99 -
Walker Resonator Assm To Muffler Exhaust Clamp for 2015-2019 Ford F-150 2.7L 3.5L V6Special Price $10.48 Regular Price $14.99 -
Walker Left Exhaust Clamp for 1999-2003 Ford F-150 4.2L 4.6L V6 V8Special Price $10.48 Regular Price $14.99 -
Walker Converter To Int Pipe Front Exhaust Clamp for 1997-1998 Ford F-150 4.2L 4.6L 5.4L V6 V8Special Price $10.48 Regular Price $14.99 -
Walker Muffler To Tail Pipe Exhaust Clamp for 1997-2008 Ford F-150 4.2L 4.6L 5.4L V6 V8Special Price $10.48 Regular Price $14.99 -
Walker Int Pipe To Muffler Exhaust Clamp for 2004-2008 Ford F-150 4.2L 4.6L 5.4L V6 V8Special Price $10.48 Regular Price $14.99 -
Walker Muffler Assm To Tail Pipe Exhaust Clamp for 2004-2008 Ford F-150 5.4L V8Special Price $10.48 Regular Price $14.99 -
Walker Converter Right To Extension Pipe Exhaust Clamp for 2004-2008 Ford F-150 4.2L 4.6L 5.4L V6 V8Special Price $10.48 Regular Price $14.99 -
Walker Converter To Muffler Exhaust Clamp for 1987-1995 Ford F-150 4.9L 5.0L L6 V8Special Price $10.52 Regular Price $14.99 -
Walker Converter To Int Pipe Front Exhaust Clamp for 1987-1995 Ford F-150 4.9L 5.0L L6 V8Special Price $10.52 Regular Price $14.99 -
Walker Converter Left To Right Exhaust Clamp for 2004-2019 Ford F-150 2.7L 3.5L 4.2L 4.6L 5.4L V6 V8Special Price $10.70 Regular Price $14.99 -
Walker Converter To Converter Exhaust Clamp for 1997-2014 Ford F-150 3.5L 4.2L 4.6L 5.4L V6 V8Special Price $10.70 Regular Price $14.99 -
Walker Extension To Int Pipe Exhaust Clamp for 2004-2008 Ford F-150 4.2L 4.6L 5.4L V6 V8Special Price $10.70 Regular Price $14.99 -
Walker Int Pipe Rear To Muffler Exhaust Clamp for 1997-1998 Ford F-150 4.2L 4.6L 5.4L V6 V8Special Price $10.70 Regular Price $14.99 -
Fel-Pro Exhaust Pipe Flange Gasket for 1975-1982 Ford F-150 5.0L 5.8L V8Special Price $11.29 Regular Price $15.99 -
2 pc Walker Exhaust Clamps for 1984-1995 Ford F-150 5.8L V8Special Price $11.51 Regular Price $15.99Out of stock -
Fel-Pro Exhaust Pipe Flange Gasket for 1997-2003 Ford F-150 5.4L V8Special Price $11.84 Regular Price $16.99 -
Walker Int Pipe To Muffler Exhaust Clamp for 2011-2014 Ford F-150 3.5L V6Special Price $12.43 Regular Price $17.99 -
Walker Exhaust Clamp for 2009-2019 Ford F-150 2.7L 3.5L 3.7L 4.6L 5.0L 5.4L 6.2L V6 V8Special Price $12.43 Regular Price $17.99 -
Walker Exhaust System Insulator for 1983-1996 Ford F-150 4.9L 5.0L 5.8L L6 V8Special Price $13.63 Regular Price $18.99 -
Fel-Pro Rear Exhaust Pipe Flange Gasket for 2011-2014 Ford F-150 3.5L 3.7L V6Special Price $14.46 Regular Price $20.99 -
Fel-Pro Front No. 1 Exhaust Pipe Flange Gasket for 2011-2014 Ford F-150 3.5L V6Special Price $14.76 Regular Price $20.99


































































