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.
Filter By Part Details
- Walker Right Exhaust Pipe Flange Gasket for 2006-2010 Infiniti M45 4.5L V8Special Price $3.08 Regular Price $3.99
- Walker Right Exhaust Pipe Flange Gasket for 2006-2010 Infiniti M35 3.5L V6Special Price $3.31 Regular Price $4.99
- Walker Right Exhaust Clamp for 1973-1974 GMC K15 K1500 Pickup 5.7L V8Special Price $3.71 Regular Price $4.99
- Walker Right Exhaust Clamp for 1979-1992 Cadillac Eldorado 4.9L 5.7L 6.0L V8Special Price $3.71 Regular Price $4.99
- Walker Right Exhaust Clamp for 1968-1971 Oldsmobile 442 6.6L 7.5L V8Special Price $3.99 Regular Price $5.99
- Walker Right Exhaust Clamp for 1976-1978 GMC Jimmy 5.7L 6.6L V8Special Price $3.99 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 Right Exhaust Clamp for 1976-1978 Chevrolet K5 Blazer 5.7L 6.6L V8Special Price $4.25 Regular Price $5.99
- Walker Right Exhaust Clamp for 1981-1986 GMC K3500 5.7L 7.4L V8Special Price $4.25 Regular Price $5.99
- Walker Muffler To Tail Pipe Exhaust Clamp for 2009-2014 Ford E-250 5.4L V8Special Price $7.12 Regular Price $9.99
- Fel-Pro Right Exhaust Pipe Flange Gasket for 2008-2010 Hummer H3 5.3L V8Special Price $8.78 Regular Price $12.99
- Fel-Pro Right Exhaust Pipe Flange Gasket for 2003-2006 Chevrolet Trailblazer EXT 5.3L V8Special Price $8.78 Regular Price $12.99
- Fel-Pro Right Exhaust Pipe Flange Gasket for 2003-2006 GMC Envoy XL 5.3L V8Special Price $9.13 Regular Price $12.99
- Walker Right Exhaust System Hanger for 1981-1986 GMC K3500 7.4L V8Special Price $10.15 Regular Price $13.99