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 Exhaust Manifold Hardware Kit for 2007-2013 Chevrolet Avalanche 5.3L 6.0L V8Special Price $42.16 Regular Price $59.99
- Dorman Rear Right Exhaust Manifold to Cylinder Head Repair Clamp for 2007-2009 Chevrolet Avalanche 5.3L 6.0L V8Special Price $62.62 Regular Price $88.99
- Dorman Front Right Exhaust Manifold to Cylinder Head Repair Clamp for 2007-2009 Chevrolet Avalanche 5.3L 6.0L V8Special Price $65.05 Regular Price $92.99
- Dorman Right Exhaust Manifold for 2007-2013 Chevrolet Avalanche 5.3L 6.0L V8Special Price $228.58 Regular Price $326.99
- Fel-Pro EGR Valve Gasket for 2007-2013 Chevrolet Avalanche 5.3L V8Special Price $9.00 Regular Price $12.99
- Fel-Pro EGR Valve Gasket for 2007-2013 Chevrolet Avalanche 5.3L V8Special Price $9.30 Regular Price $12.99
- Fel-Pro EGR Valve Gasket for 2007-2013 Chevrolet Avalanche 5.3L V8Special Price $9.65 Regular Price $13.99
- Walker Muffler To Tail Pipe Exhaust Clamp for 2007 Chevrolet Avalanche 6.0L V8Special Price $12.18 Regular Price $16.99
- Walker Muffler Assm To Resonator Assm Exhaust Clamp for 2007-2013 Chevrolet Avalanche 5.3L V8Special Price $12.18 Regular Price $16.99
- Walker Extension Pipe To Muffler Exhaust Clamp for 2007-2013 Chevrolet Avalanche 5.3L 6.0L V8Special Price $12.18 Regular Price $16.99
- Fel-Pro Left Exhaust Pipe Flange Gasket for 2007-2013 Chevrolet Avalanche 5.3L 6.0L V8Special Price $13.31 Regular Price $18.99
- Fel-Pro Exhaust Pipe Flange Gasket for 2007-2009 Chevrolet Avalanche 6.0L V8Special Price $14.02 Regular Price $19.99
- Walker Extension Pipe Exhaust System Insulator for 2007-2013 Chevrolet Avalanche 5.3L 6.0L V8Special Price $14.86 Regular Price $20.99 Out of stock
- Fel-Pro Right Exhaust Pipe Flange Gasket for 2007-2013 Chevrolet Avalanche 5.3L 6.0L V8Special Price $15.06 Regular Price $21.99
- Walker Converter Inlet Left Exhaust Pipe Flange Gasket for 2007-2013 Chevrolet Avalanche 5.3L 6.0L V8Special Price $19.79 Regular Price $27.99 Out of stock
- Walker Converter Inlet Right Exhaust Pipe Flange Gasket for 2007-2013 Chevrolet Avalanche 5.3L 6.0L V8Special Price $21.74 Regular Price $30.99 Out of stock
- 2 pc Walker Resonator Assm Exhaust System Insulators for 2007-2013 Chevrolet Avalanche 5.3L V8Special Price $21.76 Regular Price $30.99 Out of stock
- 2 pc Walker Tail Pipe Exhaust System Insulators for 2007 Chevrolet Avalanche 6.0L V8Special Price $22.21 Regular Price $31.99 Out of stock
- Walker Exhaust Clamp for 2009-2013 Chevrolet Avalanche 5.3L V8Special Price $24.08 Regular Price $33.99 Out of stock
- Fel-Pro Exhaust Manifold Gasket Set for 2007-2013 Chevrolet Avalanche 5.3L 6.0L V8Special Price $28.31 Regular Price $39.99
- Fel-Pro Exhaust Flange Stud & Nut for 2007-2013 Chevrolet Avalanche 5.3L 6.0L V8Special Price $36.31 Regular Price $51.99
- Dorman Front Left Exhaust Manifold to Cylinder Head Repair Clamp for 2007-2009 Chevrolet Avalanche 5.3L 6.0L V8Special Price $63.90 Regular Price $90.99
- Dorman Rear Left Exhaust Manifold to Cylinder Head Repair Clamp for 2007-2009 Chevrolet Avalanche 5.3L 6.0L V8Special Price $66.38 Regular Price $94.99
- Walker Quiet-Flow Exhaust Muffler for 2007-2013 Chevrolet Avalanche 5.3L V8Special Price $128.59 Regular Price $183.99 Out of stock
- Walker Quiet-Flow Exhaust Muffler for 2007 Chevrolet Avalanche 6.0L V8Special Price $136.97 Regular Price $195.99
- Dorman Left Exhaust Manifold for 2007-2013 Chevrolet Avalanche 5.3L 6.0L V8Special Price $168.90 Regular Price $240.99
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