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 MS 9275 B Exhaust Manifold Gasket SetSpecial Price $9.29 Regular Price $12.99
- Fel-Pro Exhaust Manifold Gasket Set for 1999-2007 Jeep Grand Cherokee 4.7L V8Special Price $15.83 Regular Price $22.99
- Fel-Pro Exhaust Manifold Gasket Set for 1987-1991 GMC R1500 Suburban 5.0L 5.7L V8Special Price $10.69 Regular Price $14.99
- Fel-Pro Exhaust Manifold Gasket Set for 1977-1979 Pontiac Phoenix 5.0L 5.7L V8Special Price $10.69 Regular Price $14.99
- Fel-Pro Exhaust Manifold Gasket Set for 1988-1995 Chevrolet C2500 5.0L 5.7L V8Special Price $11.07 Regular Price $15.99
- Fel-Pro Exhaust Manifold Gasket Set for 1977-1992 Pontiac Firebird 4.4L 5.0L 5.7L V8Special Price $11.07 Regular Price $15.99
- Fel-Pro Exhaust Manifold Gasket Set for 2011-2012 Ram 1500 3.7L V6Special Price $14.10 Regular Price $19.99
- Fel-Pro Exhaust Manifold Gasket Set for 1998-2016 Subaru Forester 2.0L 2.5L H4Special Price $14.38 Regular Price $20.99
- Fel-Pro Exhaust Manifold Gasket Set for 2006-2007 Jeep Commander 4.7L V8Special Price $15.35 Regular Price $21.99
- Fel-Pro Exhaust Manifold Gasket Set for 1996-1999 Chevrolet P30 4.3L V6Special Price $19.22 Regular Price $26.99
- Fel-Pro Exhaust Manifold Gasket Set for 1965-1976 Ford F-250 5.8L 5.9L 6.4L V8Special Price $19.70 Regular Price $27.99
- Fel-Pro Exhaust Manifold Gasket Set for 1972-1997 Ford F-350 5.0L 5.8L V8Special Price $19.76 Regular Price $27.99
- Fel-Pro Exhaust Manifold Gasket Set for 1997-2001 Honda CR-V 2.0L L4Special Price $20.23 Regular Price $28.99
- Fel-Pro Exhaust Manifold Gasket Set for 1968-1974 GMC C35 C3500 Pickup 6.5L 6.6L 7.4L V8Special Price $22.90 Regular Price $32.99
- Fel-Pro Exhaust Manifold Gasket Set for 1979-1995 GMC C3500 7.4L V8Special Price $22.90 Regular Price $32.99
- Fel-Pro Exhaust Manifold Gasket Set for 1965-1974 Chevrolet Corvette 6.5L 7.0L 7.4L V8Special Price $23.54 Regular Price $33.99
- Fel-Pro Exhaust Manifold Gasket Set for 2004-2006 Pontiac GTO 5.7L 6.0L V8Special Price $26.64 Regular Price $37.99
- Fel-Pro Exhaust Manifold Gasket Set for 2001-2006 Chevrolet Silverado 1500 HD 6.0L V8Special Price $26.64 Regular Price $37.99
- Fel-Pro Exhaust Manifold Gasket Set for 1996-2000 GMC K2500 7.4L V8Special Price $27.38 Regular Price $38.99
- Fel-Pro Exhaust Manifold Gasket Set for 2006-2008 Dodge Charger 5.7L V8Special Price $29.84 Regular Price $42.99
- Fel-Pro Exhaust Manifold Gasket Set for 1999-2003 Ford F-350 Super Duty 7.3L V8Special Price $40.66 Regular Price $57.99
- Fel-Pro Exhaust Manifold Gasket Set for 1999-2003 Ford F-250 Super Duty 7.3L V8Special Price $40.66 Regular Price $57.99
- Fel-Pro Exhaust Manifold Gasket Set for 2003 Ford E-350 Club Wagon 7.3L V8Special Price $40.66 Regular Price $57.99
- Fel-Pro Exhaust Manifold Gasket Set for 2009-2018 Dodge Challenger 5.7L V8Special Price $41.21 Regular Price $58.99
- Fel-Pro Exhaust Manifold Gasket Set for 1994-1997 Ford F-350 7.3L V8Special Price $41.49 Regular Price $58.99
- Fel-Pro Exhaust Manifold Gasket Set for 1997 Ford F-250 HD 7.3L V8Special Price $41.49 Regular Price $58.99
- Fel-Pro Exhaust Manifold Gasket Set for 1994-1996 Ford F-250 7.3L V8Special Price $41.49 Regular Price $58.99
- Fel-Pro Exhaust Manifold Gasket Set for 2011-2018 Ram 1500 5.7L V8Special Price $42.05 Regular Price $59.99
- Fel-Pro Exhaust Manifold Gasket Set for 2011-2018 Ram 3500 5.7L V8Special Price $42.05 Regular Price $59.99
- Fel-Pro Exhaust Manifold Gasket Set for 1965-1974 Iso Grifo 5.3L V8Special Price $10.69 Regular Price $14.99
- Fel-Pro Exhaust Manifold Gasket Set for 1987-1991 GMC V3500 5.7L V8Special Price $10.69 Regular Price $14.99
- Fel-Pro Exhaust Manifold Gasket Set for 1965-1966 Studebaker Cruiser 4.6L V8Special Price $10.69 Regular Price $14.99
- Fel-Pro Exhaust Manifold Gasket Set for 1989-1991 Chevrolet V2500 Suburban 5.7L V8Special Price $10.69 Regular Price $14.99
- Fel-Pro Exhaust Manifold Gasket Set for 1979-1996 GMC G3500 5.7L 6.6L V8Special Price $10.69 Regular Price $14.99
- Fel-Pro Exhaust Manifold Gasket Set for 1970-1991 GMC Jimmy 5.0L 5.7L 6.6L V8Special Price $10.69 Regular Price $14.99