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 Pipe Flange Gasket for 2001-2006 Chevrolet Silverado 2500 HD 6.0L 8.1L V8Special Price $6.71 Regular Price $9.99
- Fel-Pro Exhaust Pipe Flange Gasket for 1997-2005 Buick Park Avenue 3.8L V6Special Price $8.81 Regular Price $12.99
- Fel-Pro Exhaust Pipe Flange Gasket for 2001-2003 Toyota Highlander 3.0L V6Special Price $15.92 Regular Price $22.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 1994-1997 Geo Tracker 1.6L L4Special Price $15.43 Regular Price $21.99
- Fel-Pro Exhaust Pipe Flange Gasket for 1992-1995 Toyota Paseo 1.5L L4Special Price $3.27 Regular Price $4.99
- Fel-Pro Rear Exhaust Pipe Flange Gasket for 1984-1989 Toyota Van 2.0L 2.2L L4Special Price $3.35 Regular Price $4.99
- Fel-Pro Exhaust Pipe Flange Gasket for 1983-2002 Toyota Corolla 1.6L 1.8L L4Special Price $3.35 Regular Price $4.99
- Fel-Pro Exhaust Pipe Flange Gasket for 1988-2016 Toyota Camry 2.5L 3.0L 3.5L V6Special Price $3.35 Regular Price $4.99
- Fel-Pro Exhaust Pipe Flange Gasket for 1988-1990 Toyota Land Cruiser 4.0L L6Special Price $3.50 Regular Price $4.99
- Fel-Pro Exhaust Pipe Flange Gasket for 1995-2004 Toyota Tacoma 2.4L 2.7L L4Special Price $3.50 Regular Price $4.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 1976-1991 Toyota Corolla 1.2L 1.6L 1.8L L4Special Price $3.59 Regular Price $4.99
- Fel-Pro Rear Exhaust Pipe Flange Gasket for 1983-1988 Toyota Cressida 2.8L L6Special Price $3.59 Regular Price $4.99
- Fel-Pro Exhaust Pipe Flange Gasket for 2001-2005 Lexus IS300 3.0L L6Special Price $3.59 Regular Price $4.99
- Fel-Pro Exhaust Pipe Flange Gasket for 1989-1997 Geo Prizm 1.6L 1.8L L4Special Price $3.59 Regular Price $4.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 1985-1989 Toyota MR2 1.6L L4Special Price $3.59 Regular Price $4.99
- Fel-Pro Exhaust Pipe Flange Gasket for 1995-2000 Toyota Tacoma 3.4L V6Special Price $3.59 Regular Price $4.99
- Fel-Pro Exhaust Pipe Flange Gasket for 1970-1980 Toyota Pickup 1.9L 2.0L 2.2L L4Special Price $3.73 Regular Price $4.99
- Fel-Pro Exhaust Pipe Flange Gasket for 1968-1969 Buick Special 4.1L L6Special Price $3.75 Regular Price $4.99
- Fel-Pro Exhaust Pipe Flange Gasket for 1967-1986 Chevrolet K10 Suburban 4.1L 4.6L 4.8L 5.0L 5.7L 6.6L L6 V8Special Price $3.75 Regular Price $4.99
- Fel-Pro Exhaust Pipe Flange Gasket for 1965-1984 Ford F-250 3.9L 4.9L L6Special Price $3.75 Regular Price $4.99
- Fel-Pro Exhaust Pipe Flange Gasket for 1975-1984 Ford E-150 Econoline 4.9L L6Special Price $3.75 Regular Price $4.99
- Fel-Pro Exhaust Pipe Flange Gasket for 1960-1966 GMC 3500 3.8L 4.1L 4.3L 4.6L 4.8L 5.0L L6 V6 V8Special Price $3.75 Regular Price $4.99
- Fel-Pro Exhaust Pipe Flange Gasket for 1964-1967 Gordon-Keeble GK1 5.3L V8Special Price $3.75 Regular Price $4.99
- Fel-Pro Exhaust Pipe Flange Gasket for 1975-1978 GMC G15 4.1L 5.0L 5.7L 6.6L L6 V8Special Price $3.75 Regular Price $4.99
- Fel-Pro Exhaust Pipe Flange Gasket for 1967-1974 GMC G25 G2500 Van 3.8L 4.1L 4.6L 4.8L 5.7L L6 V8Special Price $3.75 Regular Price $4.99
- Fel-Pro Exhaust Pipe Flange Gasket for 1979-1986 GMC C1500 Suburban 5.0L 5.7L V8Special Price $3.75 Regular Price $4.99
- Fel-Pro Exhaust Pipe Flange Gasket for 1979-1986 GMC C2500 Suburban 4.8L 5.0L 5.7L 6.6L L6 V8Special Price $3.75 Regular Price $4.99
- Fel-Pro Exhaust Pipe Flange Gasket for 1968-1978 Lincoln Continental 7.5L V8Special Price $3.75 Regular Price $4.99
- Fel-Pro Exhaust Pipe Flange Gasket for 1975-1980 Pontiac Grand LeMans 4.1L 4.4L 5.0L L6 V8Special Price $3.75 Regular Price $4.99
- Fel-Pro Exhaust Pipe Flange Gasket for 1976-1979 Pontiac Grand LeMans 5.7L V8Special Price $3.75 Regular Price $4.99
- Fel-Pro Exhaust Pipe Flange Gasket for 1975-1982 Ford E-350 Econoline 5.0L 5.8L V8Special Price $3.75 Regular Price $4.99
- Fel-Pro Exhaust Pipe Flange Gasket for 1967-1973 GMC C15 C1500 Suburban 5.0L 5.3L 5.4L V8Special Price $3.75 Regular Price $4.99
- Fel-Pro Exhaust Pipe Flange Gasket for 1975-1980 Ford E-250 Econoline Club Wagon 5.0L 5.8L V8Special Price $3.75 Regular Price $4.99
- Fel-Pro Exhaust Pipe Flange Gasket for 1960-1974 Chevrolet K10 Pickup 3.8L 4.1L 4.3L 4.6L 4.8L 5.7L L6 V8Special Price $3.75 Regular Price $4.99
- Fel-Pro Exhaust Pipe Flange Gasket for 1977-1980 Lincoln Versailles 5.0L 5.8L V8Special Price $3.75 Regular Price $4.99
- Fel-Pro Exhaust Pipe Flange Gasket for 1964-1967 Gordon-Keeble IT 5.3L V8Special Price $3.75 Regular Price $4.99
- Fel-Pro Exhaust Pipe Flange Gasket for 1971-1977 GMC Sprint 4.1L 5.0L 5.7L 6.6L L6 V8Special Price $3.75 Regular Price $4.99
- Fel-Pro Exhaust Pipe Flange Gasket for 1975-1978 GMC K15 4.1L 4.8L 5.0L 5.7L 6.6L L6 V8Special Price $3.75 Regular Price $4.99
- Fel-Pro Exhaust Pipe Flange Gasket for 1967-1974 GMC C25 C2500 Suburban 4.1L 4.6L 4.8L 5.0L 5.7L L6 V6 V8Special Price $3.75 Regular Price $4.99
- Fel-Pro Exhaust Pipe Flange Gasket for 1966 GMC 1500 4.1L L6Special Price $3.75 Regular Price $4.99
- Fel-Pro Exhaust Pipe Flange Gasket for 1969-1982 Ford F-250 5.0L 5.8L V8Special Price $3.75 Regular Price $4.99
- Fel-Pro Exhaust Pipe Flange Gasket for 1965 Ford Falcon Sedan Delivery 2.8L L6Special Price $3.75 Regular Price $4.99
- Fel-Pro Exhaust Pipe Flange Gasket for 1966-1973 Chevrolet C20 Pickup 5.0L 5.3L 5.4L V8Special Price $3.75 Regular Price $4.99
- Fel-Pro Exhaust Pipe Flange Gasket for 1967 AC 428 7.0L V8Special Price $3.75 Regular Price $4.99