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Flowmaster 40 Series™ Delta Flow Muffler 842543

Flowmaster 40 Series™ Delta Flow Muffler 842543
Flowmaster 40 Series™ Delta Flow Muffler 842543Flowmaster 40 Series™ Delta Flow Muffler 842543
$173.99 ea
NEWARRIVING SOONEstimated Ship Date 12/10/2021 (If Ordered Today)104 available from HOLLEY PERFORMANCE PRODUCTS as of 11/28/2021
Model: 3240061
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
STANDARD
DELIVERY
STORE PICKUP
[More Info]
This two chamber design incorporates Flowmaster's patented Delta Flow technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over standard 40 series. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.
Features:
  • Durable Fully Welded 409 Stainless Steel
  • Race Proven Patented Delta Flow® Technology
  • Excellent Street/Strip And Off Road Application
  • No Internal Packing To Blowout
Holley Performance Emission Code 5: This part is legal for sale or use on Emissions Controlled Vehicles; Uncontrolled (Non-Emissions Controlled) Vehicles; and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations
Installation Notes:
Universal Muffler - Some adaptation may be required.

Downloads:

Download Name File Size
fm_warranty_general.pdf88.58KB
FM_Warranty_General.pdf88.58KB
NAFTA_COO-2013.pdf105.94KB

Videos:

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Submodel Years Engine Fitment Notes
Chevrolet Chevelle 300 Deluxe 1967 4.6L / 283 / V8 2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle 300 Deluxe 1968 6.5L / 396 / V8
5.0L / 307 / V8
5.4L / 327 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle 300 Deluxe 1969 6.5L / 396 / V8
5.0L / 307 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle 300 1967 4.6L / 283 / V8 2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle 300 1968 6.5L / 396 / V8
5.0L / 307 / V8
5.4L / 327 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle Base 1964 4.6L / 283 / V8 2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle Base 1965 6.5L / 396 / V8
4.6L / 283 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle Base 1966 6.5L / 396 / V8
5.3L / 327 / V8
4.6L / 283 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle Base 1967 6.5L / 396 / V8
4.6L / 283 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle Base 1968 5.0L / 307 / V8 2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle Base 1970 6.6L / 402 / V8
5.0L / 307 / V8
6.6L / 400 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle Base 1971 6.6L / 402 / V8
5.0L / 307 / V8
6.6L / 400 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle Base 1972 6.6L / 402 / V8
5.0L / 307 / V8
6.6L / 400 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle Concours Estate 1969 6.5L / 396 / V8
5.0L / 307 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle Concours Estate 1970 6.6L / 402 / V8
5.0L / 307 / V8
6.6L / 400 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle Concours Estate 1971 6.6L / 402 / V8
5.0L / 307 / V8
6.6L / 400 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle Concours Estate 1972 6.6L / 402 / V8
5.0L / 307 / V8
6.6L / 400 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle Concours 1967 6.5L / 396 / V8
4.6L / 283 / V8
5.4L / 327 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle Concours 1968 6.5L / 396 / V8
5.0L / 307 / V8
5.4L / 327 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle Concours 1969 6.5L / 396 / V8
5.0L / 307 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle Concours 1970 6.6L / 402 / V8
5.0L / 307 / V8
6.6L / 400 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle Concours 1971 6.6L / 402 / V8
5.0L / 307 / V8
6.6L / 400 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle Concours 1972 6.6L / 402 / V8
5.0L / 307 / V8
6.6L / 400 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle Deluxe 1965 4.6L / 283 / V8
5.4L / 327 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle Deluxe 1966 4.6L / 283 / V8 2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle Deluxe 1967 6.5L / 396 / V8
4.6L / 283 / V8
5.4L / 327 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle Greenbrier 1969 6.5L / 396 / V8
5.0L / 307 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle Greenbrier 1970 6.6L / 402 / V8
5.0L / 307 / V8
6.6L / 400 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle Greenbrier 1971 6.6L / 402 / V8
5.0L / 307 / V8
6.6L / 400 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle Greenbrier 1972 6.6L / 402 / V8
5.0L / 307 / V8
6.6L / 400 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle Malibu 1968 6.5L / 396 / V8
5.0L / 307 / V8
5.4L / 327 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle Malibu 1969 6.5L / 396 / V8
5.0L / 307 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle Malibu 1970 6.6L / 402 / V8
5.0L / 307 / V8
6.5L / 396 / V8
6.6L / 400 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle Malibu 1971 6.6L / 402 / V8
5.0L / 307 / V8
6.6L / 400 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle Malibu 1972 6.6L / 402 / V8
5.0L / 307 / V8
6.6L / 400 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle Nomad 1968 6.5L / 396 / V8
5.0L / 307 / V8
5.4L / 327 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle Nomad 1969 6.5L / 396 / V8
5.0L / 307 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle Nomad 1970 6.6L / 402 / V8
5.0L / 307 / V8
6.6L / 400 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle Nomad 1971 6.6L / 402 / V8
5.0L / 307 / V8
6.6L / 400 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle Nomad 1972 6.6L / 402 / V8
5.0L / 307 / V8
6.6L / 400 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle SS 1964 4.6L / 283 / V8 2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle SS 1965 6.5L / 396 / V8
5.3L / 327 / V8
4.6L / 283 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle SS 1966 6.5L / 396 / V8
4.6L / 283 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle SS 1967 6.5L / 396 / V8
4.6L / 283 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle SS 1968 6.5L / 396 / V8
5.0L / 307 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle SS 1969 6.5L / 396 / V8 2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle SS 1970 6.6L / 402 / V8
6.5L / 396 / V8
6.6L / 400 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle SS 1971 6.6L / 402 / V8
5.0L / 307 / V8
6.6L / 400 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Chevrolet Chevelle SS 1972 6.6L / 402 / V8
6.6L / 400 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Oldsmobile Cutlass Base 1980 5.7L / 350 / V8
5.0L / 305 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Oldsmobile Cutlass Brougham 1980 5.7L / 350 / V8
5.0L / 305 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Oldsmobile Cutlass LS 1980 5.7L / 350 / V8
5.0L / 305 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Oldsmobile Cutlass 1978 5.0L / 305 / V8
5.7L / 350 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
Oldsmobile Cutlass 1979 5.7L / 350 / V8
5.0L / 305 / V8
2.5 in. Offset Inlet/Opposite Side Offset Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel

Specifications:

Automotive Item Grade High Performance
Body Height 4.000 in.
Body Height (in) 4
Body Length 13.000 in.
Body Length (in) 13
Body Width 9.750 in.
Body Width (in) 9.75
California Proposition 65 Chemical Name Chromium (hexavalent compounds)
California Proposition 65 Chemical Name 1 Nickel (Metallic)
California Proposition 65 Chemical Name 2 Chromium (hexavalent compounds)
California Proposition 65 Required Yes
Color Black
Emission Code 5
Finish Paint
Fitment Universal
Inlet Connection Type Pipe
Inlet Diameter 2.500 in.
Inlet Diameter (in) 2.5
Inlet Inside Diameter 2.500 in.
Inlet Outside Diameter 2.500 in.
Inlet Position Offset
Inlet Type Single Offset
Main Piping Diameter 2.500 in.
Material Stainless Steel
Mount Type Uses New Hangers (Not Included)
Muffler Series 40 Series Delta Flow
Muffler Type Reflection
Outlet Connection Type Pipe
Outlet Diameter 2.500 in.
Outlet Diameter (in) 2.5
Outlet Outside Diameter 2.500 in.
Outlet Position Offset
Outlet Type Single Offset Outlet
Overall Length 19.000 in.
Overall Length (in) 19
Part Type Exhaust Muffler
Reversible No
Shape Oval
Sound Level Aggressive
Tip Quantity 0
Type of Muffler Chambered
Vehicle Type 4/6 CYL Engine
WARNING CA Proposition 65 WARNING: Cancer and Reproductive Harm
Warranty Limited Lifetime (Lifetime)

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Flowmaster 40 Series™ Delta Flow Muffler 842543:
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Chevelle Depot 2021