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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Fel-Pro EGR Valve Gasket for 1999-2013 Chevrolet Silverado 1500 4.8L 5.3L 6.0L V8Special Price $9.18 Regular Price $12.99 -
Fel-Pro EGR Valve Gasket for 1999-2013 Chevrolet Silverado 1500 4.8L 5.3L 6.0L V8Special Price $9.85 Regular Price $13.99 -
Fel-Pro Right Exhaust Pipe Flange Gasket for 2016 Chevrolet Silverado 1500 6.2L V8Special Price $13.18 Regular Price $18.99 -
Walker Right Exhaust Pipe Flange Gasket for 2014-2018 Chevrolet Silverado 1500 4.3L 5.3L V6 V8Special Price $16.87 Regular Price $23.99 -
Fel-Pro Exhaust Flange Stud & Nut for 2003-2013 Chevrolet Silverado 1500 4.3L 4.8L 5.3L 6.0L 6.2L V6 V8Special Price $36.31 Regular Price $51.99 -
Dorman Front Right Exhaust Manifold to Cylinder Head Repair Clamp for 1999-2015 Chevrolet Silverado 1500 4.8L 5.3L 6.0L 6.2L V8Special Price $65.05 Regular Price $92.99 -
Dorman Right Exhaust Manifold for 1999-2001 Chevrolet Silverado 1500 4.8L 5.3L V8Special Price $147.31 Regular Price $209.99 -
Delphi EGR Valve for 1999-2002 Chevrolet Silverado 1500 4.3L 4.8L 5.3L V6 V8Special Price $179.95 Regular Price $256.99 -
Fel-Pro EGR Valve Gasket for 1999-2013 Chevrolet Silverado 1500 4.8L 5.3L 6.0L V8Special Price $9.30 Regular Price $12.99 -
Fel-Pro EGR Valve Gasket for 1999-2013 Chevrolet Silverado 1500 4.3L V6Special Price $9.73 Regular Price $13.99 -
Fel-Pro Exhaust Pipe Flange Gasket for 2007-2013 Chevrolet Silverado 1500 4.8L V8Special Price $11.97 Regular Price $16.99 -
Walker Exhaust Clamp for 2014-2018 Chevrolet Silverado 1500 4.3L 5.3L V6 V8Special Price $12.18 Regular Price $16.99 -
Walker Muffler Assm To Tail Pipe Exhaust Clamp for 2002-2013 Chevrolet Silverado 1500 5.3L V8Special Price $12.18 Regular Price $16.99 -
Walker Extension Pipe To Muffler Exhaust Clamp for 2007-2013 Chevrolet Silverado 1500 4.3L 4.8L 5.3L 6.0L V6 V8Special Price $12.32 Regular Price $17.99 -
Walker Muffler To Tail Pipe Exhaust Clamp for 1999-2013 Chevrolet Silverado 1500 4.3L 4.8L 5.3L 6.0L V6 V8Special Price $12.43 Regular Price $17.99 -
Walker Int Pipe To Muffler Exhaust Clamp for 1999-2006 Chevrolet Silverado 1500 4.3L 4.8L 5.3L V6 V8Special Price $12.43 Regular Price $17.99 -
Fel-Pro Exhaust Pipe Flange Gasket for 2003-2006 Chevrolet Silverado 1500 6.0L V8Special Price $13.31 Regular Price $18.99 -
Fel-Pro Left Exhaust Pipe Flange Gasket for 2002-2016 Chevrolet Silverado 1500 4.3L 4.8L 5.3L 6.0L 6.2L V6 V8Special Price $13.31 Regular Price $18.99 -
Fel-Pro Left Exhaust Pipe Flange Gasket for 1999-2009 Chevrolet Silverado 1500 4.3L 4.8L 5.3L V6 V8Special Price $13.46 Regular Price $18.99 -
Fel-Pro Exhaust Pipe Flange Gasket for 2003-2013 Chevrolet Silverado 1500 6.0L 6.2L V8Special Price $14.31 Regular Price $19.99 -
Walker Int Pipe Exhaust System Insulator for 1999-2006 Chevrolet Silverado 1500 4.3L 4.8L 5.3L V6 V8Special Price $14.56 Regular Price $20.99Out of stock -
Fel-Pro Left Exhaust Pipe Flange Gasket for 2016 Chevrolet Silverado 1500 6.2L V8Special Price $15.06 Regular Price $21.99 -
Fel-Pro Right Exhaust Pipe Flange Gasket for 1999-2016 Chevrolet Silverado 1500 4.3L 4.8L 5.3L 6.0L 6.2L V6 V8Special Price $15.37 Regular Price $21.99 -
Walker Left Exhaust Pipe Flange Gasket for 2014-2018 Chevrolet Silverado 1500 4.3L 5.3L V6 V8Special Price $18.66 Regular Price $26.99 -
Walker Converter Inlet Left Exhaust Pipe Flange Gasket for 1999-2013 Chevrolet Silverado 1500 4.3L 4.8L 5.3L 6.0L 6.2L V6 V8Special Price $20.20 Regular Price $28.99Out of stock -
Walker Converter Inlet Right Exhaust Pipe Flange Gasket for 1999-2013 Chevrolet Silverado 1500 4.3L 4.8L 5.3L 6.0L 6.2L V6 V8Special Price $21.74 Regular Price $30.99Out of stock -
2 pc Walker Tail Pipe Exhaust System Insulators for 1999-2006 Chevrolet Silverado 1500 4.3L 4.8L 5.3L V6 V8Special Price $22.21 Regular Price $31.99Out of stock -
Walker Exhaust Clamp for 2014-2018 Chevrolet Silverado 1500 4.3L 5.3L V6 V8Special Price $23.60 Regular Price $33.99Out of stock -
Walker Converter To Extension Pipe Exhaust Clamp for 2009-2013 Chevrolet Silverado 1500 4.3L 4.8L 5.3L V6 V8Special Price $24.08 Regular Price $33.99Out of stock -
Fel-Pro Exhaust Manifold Gasket Set for 1999-2013 Chevrolet Silverado 1500 4.3L V6Special Price $24.28 Regular Price $34.99 -
Fel-Pro Exhaust Manifold Gasket Set for 1999-2013 Chevrolet Silverado 1500 4.8L 5.3L 6.0L 6.2L V8Special Price $28.31 Regular Price $39.99 -
Fel-Pro Exhaust Manifold Hardware Kit for 1999-2013 Chevrolet Silverado 1500 4.8L 5.3L 6.0L 6.2L V8Special Price $42.16 Regular Price $59.99 -
Dorman Rear Right Exhaust Manifold to Cylinder Head Repair Clamp for 1999-2015 Chevrolet Silverado 1500 4.8L 5.3L 6.0L 6.2L V8Special Price $62.62 Regular Price $88.99 -
Dorman Front Left Exhaust Manifold to Cylinder Head Repair Clamp for 1999-2015 Chevrolet Silverado 1500 4.8L 5.3L 6.0L 6.2L V8Special Price $63.90 Regular Price $90.99 -
Dorman Rear Left Exhaust Manifold to Cylinder Head Repair Clamp for 1999-2017 Chevrolet Silverado 1500 4.8L 5.3L 6.0L 6.2L V8Special Price $66.38 Regular Price $94.99 -
Walker SoundFX Exhaust Muffler for 1999-2006 Chevrolet Silverado 1500 4.3L 4.8L 5.3L V6 V8Special Price $80.87 Regular Price $115.99 -
Walker SoundFX Exhaust Muffler for 1999-2006 Chevrolet Silverado 1500 4.3L 4.8L 5.3L V6 V8Special Price $82.04 Regular Price $116.99 -
Walker Quiet-Flow Exhaust Muffler for 2007-2013 Chevrolet Silverado 1500 4.3L 4.8L 5.3L 6.0L V6 V8Special Price $134.23 Regular Price $191.99 -
Dorman Left Exhaust Manifold for 1999-2013 Chevrolet Silverado 1500 4.8L 5.3L 6.0L 6.2L V8Special Price $172.35 Regular Price $245.99 -
Dorman Right Exhaust Manifold for 2002-2013 Chevrolet Silverado 1500 4.8L 5.3L 6.0L 6.2L V8Special Price $224.00 Regular Price $319.99



























































