Flowmaster 50 Series Delta Flow 409 Stainless Steel 2.5 Inch Muffler 842553

Flowmaster 50 Series Delta Flow 409 Stainless Steel 2.5 Inch Muffler 842553

FLO-842553

4.75 out of 5 stars ( 21 )

Part Number: FLO-842553

Estimated Ship Date: Monday 10/26/2026

$188.95

Results Found: 2309

Beginning Year:
1979
Ending Year:
1980
Make:
GMC
Model:
K1500
Submodel:
BASE
Engine Type:
V8
Liter:
5.7
CID:
350
Engine Family:
Chevy small block Gen I
Engine Size:
5.7L/350
Drivetrain:
4WD
Application Notes:
50 Series™ Delta Flow Muffler; 2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 17 in.; 23 in. Overall Length; 409 Stainless Steel, Not Direct Fit-Some Adaptation Required
Engine VIN Code:
L
Region:
USA
Beginning Year:
1979
Ending Year:
1980
Make:
GMC
Model:
K1500
Submodel:
BASE
Engine Type:
V8
Liter:
6.6
CID:
400
Engine Family:
Chevy small block Gen I
Engine Size:
6.6L/400
Drivetrain:
4WD
Application Notes:
2.50 Inlet 2.50 Outlet ; 2.50 Inlet 2.50 Outlet , 2.50 Inlet 2.50 Outlet
Engine VIN Code:
R
Region:
USA
Beginning Year:
1979
Ending Year:
1980
Make:
GMC
Model:
K1500
Submodel:
BASE
Engine Type:
V8
Liter:
6.6
CID:
400
Engine Family:
Chevy small block Gen I
Engine Size:
6.6L/400
Drivetrain:
4WD
Application Notes:
50 Series™ Delta Flow Muffler; 2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 17 in.; 23 in. Overall Length; 409 Stainless Steel, Not Direct Fit-Some Adaptation Required
Engine VIN Code:
R
Region:
USA
Beginning Year:
1979
Ending Year:
1980
Make:
GMC
Model:
K1500
Submodel:
HIGH SIERRA
Engine Type:
V8
Liter:
5.7
CID:
350
Engine Family:
Chevy small block Gen I
Engine Size:
5.7L/350
Drivetrain:
4WD
Application Notes:
2.50 Inlet 2.50 Outlet ; 2.50 Inlet 2.50 Outlet , 2.50 Inlet 2.50 Outlet
Engine VIN Code:
L
Region:
USA
Beginning Year:
1979
Ending Year:
1980
Make:
GMC
Model:
K1500
Submodel:
HIGH SIERRA
Engine Type:
V8
Liter:
5.7
CID:
350
Engine Family:
Chevy small block Gen I
Engine Size:
5.7L/350
Drivetrain:
4WD
Application Notes:
50 Series™ Delta Flow Muffler; 2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 17 in.; 23 in. Overall Length; 409 Stainless Steel, Not Direct Fit-Some Adaptation Required
Engine VIN Code:
L
Region:
USA
Beginning Year:
1979
Ending Year:
1980
Make:
GMC
Model:
K1500
Submodel:
HIGH SIERRA
Engine Type:
V8
Liter:
6.6
CID:
400
Engine Family:
Chevy small block Gen I
Engine Size:
6.6L/400
Drivetrain:
4WD
Application Notes:
2.50 Inlet 2.50 Outlet ; 2.50 Inlet 2.50 Outlet , 2.50 Inlet 2.50 Outlet
Engine VIN Code:
R
Region:
USA
Beginning Year:
1979
Ending Year:
1980
Make:
GMC
Model:
K1500
Submodel:
HIGH SIERRA
Engine Type:
V8
Liter:
6.6
CID:
400
Engine Family:
Chevy small block Gen I
Engine Size:
6.6L/400
Drivetrain:
4WD
Application Notes:
50 Series™ Delta Flow Muffler; 2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 17 in.; 23 in. Overall Length; 409 Stainless Steel, Not Direct Fit-Some Adaptation Required
Engine VIN Code:
R
Region:
USA
Beginning Year:
1979
Ending Year:
1980
Make:
GMC
Model:
K1500
Submodel:
SIERRA CLASSIC
Engine Type:
V8
Liter:
5.7
CID:
350
Engine Family:
Chevy small block Gen I
Engine Size:
5.7L/350
Drivetrain:
4WD
Application Notes:
50 Series™ Delta Flow Muffler; 2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 17 in.; 23 in. Overall Length; 409 Stainless Steel, Not Direct Fit-Some Adaptation Required
Engine VIN Code:
L
Region:
USA
Beginning Year:
1979
Ending Year:
1980
Make:
GMC
Model:
K1500
Submodel:
SIERRA CLASSIC
Engine Type:
V8
Liter:
6.6
CID:
400
Engine Family:
Chevy small block Gen I
Engine Size:
6.6L/400
Drivetrain:
4WD
Application Notes:
50 Series™ Delta Flow Muffler; 2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 17 in.; 23 in. Overall Length; 409 Stainless Steel, Not Direct Fit-Some Adaptation Required
Engine VIN Code:
R
Region:
USA
Beginning Year:
1979
Ending Year:
1980
Make:
GMC
Model:
K1500
Submodel:
SIERRA GRANDE
Engine Type:
V8
Liter:
5.7
CID:
350
Engine Family:
Chevy small block Gen I
Engine Size:
5.7L/350
Drivetrain:
4WD
Application Notes:
2.50 Inlet 2.50 Outlet ; 2.50 Inlet 2.50 Outlet , 2.50 Inlet 2.50 Outlet
Engine VIN Code:
L
Region:
USA
Beginning Year:
1979
Ending Year:
1980
Make:
GMC
Model:
K1500
Submodel:
SIERRA GRANDE
Engine Type:
V8
Liter:
5.7
CID:
350
Engine Family:
Chevy small block Gen I
Engine Size:
5.7L/350
Drivetrain:
4WD
Application Notes:
50 Series™ Delta Flow Muffler; 2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 17 in.; 23 in. Overall Length; 409 Stainless Steel, Not Direct Fit-Some Adaptation Required
Engine VIN Code:
L
Region:
USA
Beginning Year:
1979
Ending Year:
1980
Make:
GMC
Model:
K1500
Submodel:
SIERRA GRANDE
Engine Type:
V8
Liter:
6.6
CID:
400
Engine Family:
Chevy small block Gen I
Engine Size:
6.6L/400
Drivetrain:
4WD
Application Notes:
2.50 Inlet 2.50 Outlet ; 2.50 Inlet 2.50 Outlet , 2.50 Inlet 2.50 Outlet
Engine VIN Code:
R
Region:
USA
Beginning Year:
1979
Ending Year:
1980
Make:
GMC
Model:
K1500
Submodel:
SIERRA GRANDE
Engine Type:
V8
Liter:
6.6
CID:
400
Engine Family:
Chevy small block Gen I
Engine Size:
6.6L/400
Drivetrain:
4WD
Application Notes:
50 Series™ Delta Flow Muffler; 2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 17 in.; 23 in. Overall Length; 409 Stainless Steel, Not Direct Fit-Some Adaptation Required
Engine VIN Code:
R
Region:
USA
Beginning Year:
1979
Ending Year:
1980
Make:
GMC
Model:
K2500
Submodel:
BASE
Engine Type:
V8
Liter:
5.7
CID:
350
Engine Family:
Chevy small block Gen I
Engine Size:
5.7L/350
Drivetrain:
4WD
Application Notes:
2.50 Inlet 2.50 Outlet ; 2.50 Inlet 2.50 Outlet , 2.50 Inlet 2.50 Outlet
Engine VIN Code:
L
Region:
USA
Beginning Year:
1979
Ending Year:
1980
Make:
GMC
Model:
K2500
Submodel:
BASE
Engine Type:
V8
Liter:
5.7
CID:
350
Engine Family:
Chevy small block Gen I
Engine Size:
5.7L/350
Drivetrain:
4WD
Application Notes:
2.50 Inlet 2.50 Outlet ; 2.50 Inlet 2.50 Outlet , 2.50 Inlet 2.50 Outlet
Engine VIN Code:
M
Region:
USA
Beginning Year:
1979
Ending Year:
1980
Make:
GMC
Model:
K2500
Submodel:
BASE
Engine Type:
V8
Liter:
5.7
CID:
350
Engine Family:
Chevy small block Gen I
Engine Size:
5.7L/350
Drivetrain:
4WD
Application Notes:
50 Series™ Delta Flow Muffler; 2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 17 in.; 23 in. Overall Length; 409 Stainless Steel, Not Direct Fit-Some Adaptation Required
Engine VIN Code:
L
Region:
USA
Beginning Year:
1979
Ending Year:
1980
Make:
GMC
Model:
K2500
Submodel:
BASE
Engine Type:
V8
Liter:
5.7
CID:
350
Engine Family:
Chevy small block Gen I
Engine Size:
5.7L/350
Drivetrain:
4WD
Application Notes:
50 Series™ Delta Flow Muffler; 2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 17 in.; 23 in. Overall Length; 409 Stainless Steel, Not Direct Fit-Some Adaptation Required
Engine VIN Code:
M
Region:
USA
Beginning Year:
1979
Ending Year:
1980
Make:
GMC
Model:
K2500
Submodel:
HIGH SIERRA
Engine Type:
V8
Liter:
5.7
CID:
350
Engine Family:
Chevy small block Gen I
Engine Size:
5.7L/350
Drivetrain:
4WD
Application Notes:
2.50 Inlet 2.50 Outlet ; 2.50 Inlet 2.50 Outlet , 2.50 Inlet 2.50 Outlet
Engine VIN Code:
L
Region:
USA
Beginning Year:
1979
Ending Year:
1980
Make:
GMC
Model:
K2500
Submodel:
HIGH SIERRA
Engine Type:
V8
Liter:
5.7
CID:
350
Engine Family:
Chevy small block Gen I
Engine Size:
5.7L/350
Drivetrain:
4WD
Application Notes:
2.50 Inlet 2.50 Outlet ; 2.50 Inlet 2.50 Outlet , 2.50 Inlet 2.50 Outlet
Engine VIN Code:
M
Region:
USA
Beginning Year:
1979
Ending Year:
1980
Make:
GMC
Model:
K2500
Submodel:
HIGH SIERRA
Engine Type:
V8
Liter:
5.7
CID:
350
Engine Family:
Chevy small block Gen I
Engine Size:
5.7L/350
Drivetrain:
4WD
Application Notes:
50 Series™ Delta Flow Muffler; 2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 17 in.; 23 in. Overall Length; 409 Stainless Steel, Not Direct Fit-Some Adaptation Required
Engine VIN Code:
L
Region:
USA
Beginning Year:
1979
Ending Year:
1980
Make:
GMC
Model:
K2500
Submodel:
HIGH SIERRA
Engine Type:
V8
Liter:
5.7
CID:
350
Engine Family:
Chevy small block Gen I
Engine Size:
5.7L/350
Drivetrain:
4WD
Application Notes:
50 Series™ Delta Flow Muffler; 2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 17 in.; 23 in. Overall Length; 409 Stainless Steel, Not Direct Fit-Some Adaptation Required
Engine VIN Code:
M
Region:
USA
Beginning Year:
1979
Ending Year:
1980
Make:
GMC
Model:
K2500
Submodel:
SIERRA CLASSIC
Engine Type:
V8
Liter:
5.7
CID:
350
Engine Family:
Chevy small block Gen I
Engine Size:
5.7L/350
Drivetrain:
4WD
Application Notes:
2.50 Inlet 2.50 Outlet ; 2.50 Inlet 2.50 Outlet , 2.50 Inlet 2.50 Outlet
Engine VIN Code:
L
Region:
USA
Beginning Year:
1979
Ending Year:
1980
Make:
GMC
Model:
K2500
Submodel:
SIERRA CLASSIC
Engine Type:
V8
Liter:
5.7
CID:
350
Engine Family:
Chevy small block Gen I
Engine Size:
5.7L/350
Drivetrain:
4WD
Application Notes:
2.50 Inlet 2.50 Outlet ; 2.50 Inlet 2.50 Outlet , 2.50 Inlet 2.50 Outlet
Engine VIN Code:
M
Region:
USA
Beginning Year:
1979
Ending Year:
1980
Make:
GMC
Model:
K2500
Submodel:
SIERRA CLASSIC
Engine Type:
V8
Liter:
5.7
CID:
350
Engine Family:
Chevy small block Gen I
Engine Size:
5.7L/350
Drivetrain:
4WD
Application Notes:
50 Series™ Delta Flow Muffler; 2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 17 in.; 23 in. Overall Length; 409 Stainless Steel, Not Direct Fit-Some Adaptation Required
Engine VIN Code:
L
Region:
USA
Beginning Year:
1979
Ending Year:
1980
Make:
GMC
Model:
K2500
Submodel:
SIERRA CLASSIC
Engine Type:
V8
Liter:
5.7
CID:
350
Engine Family:
Chevy small block Gen I
Engine Size:
5.7L/350
Drivetrain:
4WD
Application Notes:
50 Series™ Delta Flow Muffler; 2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 17 in.; 23 in. Overall Length; 409 Stainless Steel, Not Direct Fit-Some Adaptation Required
Engine VIN Code:
M
Region:
USA