Flowmaster 842543 40 Series™ Delta Flow Muffler Flowmaster 842543
$227.46
This two chamber design incorporates Flowmasters Delta Flow technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over...
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This two chamber design incorporates Flowmasters 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.
Specifications:
| Description_DES | 40 Series™ Delta Flow Muffler |
| Description_EXT | 40 Series™ Delta Flow Muffler; 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; |
| Description_FAB | Durable Fully Welded 409 Stainless Steel |
| Description_FAB | Race Proven Patented Delta Flow® Technology |
| Description_FAB | Excellent Street/Strip And Off Road Application |
| Description_FAB | No Internal Packing To Blowout |
| Description_MKT | This two chamber design incorporates Flowmasters 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. |
| Description_SHO | Muffler |
This Part Fits:
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 1992 | Chevrolet | C1500 | WT | |
| 1993 | Chevrolet | C1500 | WT | |
| 2010 | Chevrolet | Camaro | SS | |
| 2011 | Chevrolet | Camaro | SS | |
| 2012 | Chevrolet | Camaro | SS | |
| 2013 | Chevrolet | Camaro | SS | |
| 2012 | Chevrolet | Camaro | ZL1 | |
| 2013 | Chevrolet | Camaro | ZL1 | |
| 1966 | Chevrolet | Chevelle | Deluxe | |
| 1967 | Chevrolet | Chevelle | Deluxe | |
| 1980 | Chevrolet | K5 Blazer | ||
| 1981 | Chevrolet | K5 Blazer | ||
| 1998 | Dodge | Dakota | R/T | |
| 1999 | Dodge | Dakota | R/T | |
| 2000 | Dodge | Dakota | R/T | |
| 2001 | Dodge | Dakota | R/T | |
| 2002 | Dodge | Dakota | R/T | |
| 2003 | Dodge | Dakota | R/T | |
| 2008 | Ford | Mustang | Bullitt | |
| 2009 | Ford | Mustang | Bullitt | |
| 2005 | Ford | Mustang | GT | |
| 2006 | Ford | Mustang | GT | |
| 2007 | Ford | Mustang | GT | |
| 2008 | Ford | Mustang | GT | |
| 2009 | Ford | Mustang | GT | |
| 2010 | Ford | Mustang | GT | |
| 2007 | Ford | Mustang | Shelby GT | |
| 2008 | Ford | Mustang | Shelby GT | |
| 1973 | GMC | Jimmy | ||
| 1974 | GMC | Jimmy | ||
| 1975 | GMC | Jimmy | ||
| 1998 | Lincoln | Navigator | ||
| 1999 | Lincoln | Navigator | ||
| 2000 | Lincoln | Navigator | ||
| 2001 | Lincoln | Navigator | ||
| 2002 | Lincoln | Navigator | ||
| 1978 | Oldsmobile | Cutlass Calais | ||
| 1979 | Oldsmobile | Cutlass Calais | ||
| 1980 | Oldsmobile | Cutlass Calais | ||
| 1981 | Oldsmobile | Cutlass Calais | ||
| 1980 | Oldsmobile | Cutlass Supreme | ||
| 1981 | Oldsmobile | Cutlass Supreme |
Shipping Information
We offer FREE shipping on all orders within Canada. Most orders ship within 1-2 business days.
Standard delivery typically takes 3-7 business days depending on your location.
Returns Policy
We accept returns within 30 days of purchase. Items must be in original condition with all packaging.
For returns or exchanges, please contact our customer service team.

