This is the Insynerator Performance Series! Designed to take your exhaust to the next level, this two chamber performance muffler is made from heavy grade aluminized steel, and features double layered necks that are welded inside and out. It will increase horsepower, torque, fuel mileage and has a deep performance sound!
| Part Number | 77402 |
| Inlet | 3.0" Center |
| Outlet | 2.5" Dual |
| Body | 4.0" x 9.0" |
| Body Length | 13.0" |
| Overall Length | 17.0" |
1988 Chevrolet C 1500 5.7L
1988 Chevrolet K 1500 5.7L
1988 Chevrolet Silverado 4.3L V6
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1988 Chevrolet Silverado 5.0L V8
1988 Chevrolet Silverado 5.0L V8
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1989 Chevrolet K 1500 5.7L
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1989 Chevrolet Silverado 4.3L V6
1989 Chevrolet Silverado 5.0L V8
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1989 Chevrolet Silverado 5.7L V8
1989 Chevrolet Silverado 5.7L V8
1989 Chevrolet Silverado 6.2L V8 Diesel
1989 Chevrolet Silverado 6.2L V8 Diesel
1989 Chevrolet Silverado 7.4L V8
1989 Chevrolet Silverado 7.4L V8
1990 Chevrolet C 1500 5.7L
1990 Chevrolet K 1500 5.7L
1990 Chevrolet Silverado 4.3L V6
1990 Chevrolet Silverado 4.3L V6
1990 Chevrolet Silverado 5.0L V8
1990 Chevrolet Silverado 5.0L V8
1990 Chevrolet Silverado 5.7L V8
1990 Chevrolet Silverado 5.7L V8
1990 Chevrolet Silverado 6.2L V8 Diesel
1990 Chevrolet Silverado 6.2L V8 Diesel
1990 Chevrolet Silverado 7.4L V8
1990 Chevrolet Silverado 7.4L V8
1991 Chevrolet C 1500 5.7L
1991 Chevrolet K 1500 5.7L
1991 Chevrolet Silverado 4.3L V6
1991 Chevrolet Silverado 4.3L V6
1991 Chevrolet Silverado 5.0L V8
1991 Chevrolet Silverado 5.0L V8
1991 Chevrolet Silverado 5.7L V8
1991 Chevrolet Silverado 5.7L V8
1991 Chevrolet Silverado 6.2L V8 Diesel
1991 Chevrolet Silverado 6.2L V8 Diesel
1991 Chevrolet Silverado 7.4L V8
1991 Chevrolet Silverado 7.4L V8
1992 Chevrolet C 1500 5.7L
1992 Chevrolet K 1500 5.7L
1992 Chevrolet Silverado 4.3L V6
1992 Chevrolet Silverado 4.3L V6
1992 Chevrolet Silverado 5.0L V8
1992 Chevrolet Silverado 5.0L V8
1992 Chevrolet Silverado 5.7L V8
1992 Chevrolet Silverado 5.7L V8
1992 Chevrolet Silverado 6.2L V8 Diesel
1992 Chevrolet Silverado 6.2L V8 Diesel
1992 Chevrolet Silverado 7.4L V8
1992 Chevrolet Silverado 7.4L V8
1993 Chevrolet C 1500 5.7L
1993 Chevrolet K 1500 5.7L
1993 Chevrolet Silverado 4.3L V6
1993 Chevrolet Silverado 4.3L V6
1993 Chevrolet Silverado 5.0L V8
1993 Chevrolet Silverado 5.0L V8
1993 Chevrolet Silverado 5.7L V8
1993 Chevrolet Silverado 5.7L V8
1993 Chevrolet Silverado 6.2L V8 Diesel
1993 Chevrolet Silverado 6.2L V8 Diesel
1993 Chevrolet Silverado 6.5L V8 Diesel
1993 Chevrolet Silverado 6.5L V8 Diesel
1993 Chevrolet Silverado 7.4L V8
1993 Chevrolet Silverado 7.4L V8
1994 Chevrolet C 1500 5.7L
1994 Chevrolet K 1500 5.7L
1994 Chevrolet Silverado 4.3L V6
1994 Chevrolet Silverado 4.3L V6
1994 Chevrolet Silverado 5.0L V8
1994 Chevrolet Silverado 5.0L V8
1994 Chevrolet Silverado 5.7L V8
1994 Chevrolet Silverado 5.7L V8
1994 Chevrolet Silverado 6.5L V8 Diesel
1994 Chevrolet Silverado 6.5L V8 Diesel
1994 Chevrolet Silverado 7.4L V8
1994 Chevrolet Silverado 7.4L V8
1995 Chevrolet C 1500 5.7L
1995 Chevrolet K 1500 5.7L
1995 Chevrolet Silverado 4.3L V6
1995 Chevrolet Silverado 4.3L V6
1995 Chevrolet Silverado 5.0L V8
1995 Chevrolet Silverado 5.0L V8
1995 Chevrolet Silverado 5.7L V8
1995 Chevrolet Silverado 5.7L V8
1995 Chevrolet Silverado 6.5L V8 Diesel
1995 Chevrolet Silverado 6.5L V8 Diesel
1995 Chevrolet Silverado 7.4L V8
1995 Chevrolet Silverado 7.4L V8
1996 Chevrolet C 1500 5.7L
1996 Chevrolet K 1500 5.7L
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