MEMORIAL DAY WEEKEND

HONOR2025
1 3

Flowmaster 842451 - 50 Delta Muffler 409S - 2.25 Offset In / 2.25 Center Out - Moderate Sound

Flowmaster  |  MPN: 842451  |  SKU: FLO-842451
$16999 $19795
Starting at $16/mo or 0% APR with . Check your purchasing power
PLEASE NOTE: Pictures may be repsentative of style, rather than the actual product. Read the description for more details.

Description

Flowmaster 842451 - 50 Delta Muffler 409S - 2.25 Offset In / 2.25 Center Out - Moderate Sound

Flowmaster 50 Series Delta Flow Chambered Muffler

50 Series™ Delta Flow Muffler; 2.25 in. Offset Inlet/Center Outlet; Case Dimensions 4 in. x 9.75 in. x 17 in.; 23 in. Overall Length; 409 Stainless Steel;

The three chamber design utilizes Flowmaster's Delta Flow(R) technology along with an internal tuning chamber to reduce sound inside the vehicle. Provides the same performance and exterior tone characteristics as the two chamber, but with less interior resonance. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.

  • Durable Fully Welded 409 Stainless Steel
  • Limited Lifetime Warranty
  • Mild to Moderate Exterior Exhaust Tone
  • Minimal Interior Resonance
  • Excellent Choice For Street Rods Cars and Trucks
  • Improved HP/TQ and Potential Mileage Improvement
  • Race Proven Patented Delta Flow® Technology
  • Premium Flowmaster Quality
Automotive Item Grade: High Performance
Body Height (in): 4
Body Length (in): 17
Body Width (in): 9.75
Brand: Flowmaster
Color: Black
Emission Code: 5
Finish: Paint
Fitment: Universal
Inlet Connection Type: Pipe Connection
Inlet Diameter (in): 2.25
Inlet Position: Offset
Material: 409 Stainless Steel
Muffler Series: 50 Series Delta Flow
Muffler Type: Chambered
Outlet Connection Type: Pipe Connection
Outlet Diameter (in): 2.25
Outlet Position: Center
Overall Length (In): 23
Product Type: Street Mufflers
Reversible: No
Shape: Oval
Sound Level: Moderate Sound
Type of Muffler: Chambered
Vehicle Type: 4/6 CYL Engine, Classic Muscle Car, Late Model Muscle Car, Street Rod, Street/Strip, Truck/SUV
Warning: California Proposition 65

FITMENT DATA

Year
Make
Model
Submodel
Notes
1978 - 1980, 1986 - 1987
Buick
Regal
Base
2.25 in. Offset Inlet/Center 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
1978 - 1980, 1986 - 1987
Buick
Regal
Limited
2.25 in. Offset Inlet/Center 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
1973 - 1977
Chevrolet
Caprice
2.25 in. Offset Inlet/Center 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
1972 - 1977
Chevrolet
Impala
2.25 in. Offset Inlet/Center 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
1983 - 1997
Chevrolet
S10
2.25 in. Offset Inlet/Center 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
1983 - 1994
Chevrolet
S10 Blazer
2.25 in. Offset Inlet/Center 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
2001 - 2002, 2005 - 2010
Chrysler
PT Cruiser
2.25 in. Offset Inlet/Center 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
2003 - 2004
Chrysler
PT Cruiser
Base
2.25 in. Offset Inlet/Center 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
2003 - 2004
Chrysler
PT Cruiser
GT
2.25 in. Offset Inlet/Center 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
2003 - 2004
Chrysler
PT Cruiser
Limited
2.25 in. Offset Inlet/Center 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
2003 - 2004
Chrysler
PT Cruiser
Touring
2.25 in. Offset Inlet/Center 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
1971 - 1974
Dodge
Dart
2.25 in. Offset Inlet/Center 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
1969 - 1970
Dodge
Dart
Base
2.25 in. Offset Inlet/Center 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
1969 - 1970
Dodge
Dart
Custom
2.25 in. Offset Inlet/Center 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
1969
Dodge
Dart
GT
2.25 in. Offset Inlet/Center 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
1969
Dodge
Dart
GTS
2.25 in. Offset Inlet/Center 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
1969 - 1970
Dodge
Dart
Swinger
2.25 in. Offset Inlet/Center 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
1991 - 1992, 2002 - 2010
Ford
Explorer
2.25 in. Offset Inlet/Center 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
2004 - 2005
Ford
Explorer Sport Trac
2.25 in. Offset Inlet/Center 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
2007 - 2010
Ford
Explorer Sport Trac
Limited
2.25 in. Offset Inlet/Center 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
2007 - 2010
Ford
Explorer Sport Trac
XLT
2.25 in. Offset Inlet/Center 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
1975 - 1986
Ford
F-150
2.25 in. Offset Inlet/Center 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
1975 - 1986
Ford
F-250
2.25 in. Offset Inlet/Center 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
1975 - 1983
Ford
F-350
2.25 in. Offset Inlet/Center 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
1967 - 1970
Ford
Fairlane
2.25 in. Offset Inlet/Center 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
2010
Ford
Taurus
2.25 in. Offset Inlet/Center 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
1967 - 1968, 1971 - 1974
Mercury
Cougar
2.25 in. Offset Inlet/Center 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
1969 - 1970
Mercury
Cougar
Base
2.25 in. Offset Inlet/Center 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
1969 - 1970
Mercury
Cougar
Boss 302
2.25 in. Offset Inlet/Center 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
1969 - 1970
Mercury
Cougar
Boss 429
2.25 in. Offset Inlet/Center 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
1969 - 1970
Mercury
Cougar
Cobra Jet
2.25 in. Offset Inlet/Center 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
1969 - 1970
Mercury
Cougar
XR-7
2.25 in. Offset Inlet/Center 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
1973 - 1975, 1977
Oldsmobile
Cutlass
2.25 in. Offset Inlet/Center 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
1976
Oldsmobile
Cutlass
Colonnade S
2.25 in. Offset Inlet/Center 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
1976
Oldsmobile
Cutlass
S
2.25 in. Offset Inlet/Center 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
1970 - 1974
Plymouth
Barracuda
2.25 in. Offset Inlet/Center 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
1962 - 1970
Plymouth
Belvedere
2.25 in. Offset Inlet/Center 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
1965 - 1967
Plymouth
Belvedere II
2.25 in. Offset Inlet/Center 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
1967 - 1970
Plymouth
GTX
2.25 in. Offset Inlet/Center 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
1968 - 1971
Plymouth
Road Runner
2.25 in. Offset Inlet/Center 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
1965 - 1970
Plymouth
Satellite
2.25 in. Offset Inlet/Center 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
1975, 1977
Pontiac
Grand LeMans
2.25 in. Offset Inlet/Center 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
1976
Pontiac
Grand LeMans
Base
2.25 in. Offset Inlet/Center 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
1976
Pontiac
Grand LeMans
LE
2.25 in. Offset Inlet/Center 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
1973 - 1976
Pontiac
LeMans
2.25 in. Offset Inlet/Center 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
1977
Pontiac
LeMans
Base
2.25 in. Offset Inlet/Center 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
1977
Pontiac
LeMans
Safari
2.25 in. Offset Inlet/Center 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
1977
Pontiac
LeMans
Sport
2.25 in. Offset Inlet/Center 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
1977
Pontiac
LeMans
Sport Coupe
2.25 in. Offset Inlet/Center 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

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Venmo
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.


What are people saying about CSP?