Installation Time
(approx) 1 Hour
Difficulty Level:
Simple installation for anyone.
Installation Guides
No guide available for this part yet.
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Features, Description, Reviews, Q&A, Specs & Installation
| Brand | Flowmaster |
| Muffler Inlet Size | 2.50 Inch |
| Muffler Installation Type | Clamp-On Muffler |
| Muffler Type | Chambered Muffler |
Distinctive Performance Muffler. The Flowmaster 40 Series Center/Offset Oval Muffler with 2.50-Inch Inlet and 2.50-Inch Outlet delivers a signature aggressive sound that enhances both exterior exhaust tone and interior cabin experience. Designed for street, strip, and off-road applications, this muffler improves exhaust flow and provides an unmistakable deep growl for muscle cars, trucks, and street rods.
Construction and Appearance. Crafted from durable 16 gauge aluminized steel, this chambered muffler is fully MIG welded to maximize longevity and structural integrity. It features a black high-temperature paint finish that ensures corrosion resistance and maintains an aggressive appearance under harsh conditions.
Installation. The muffler includes slip-fit inlet and outlet connections compatible with clamp-on and weld-on options, allowing versatile installation without the need for complex modifications or drilling. This design is suitable for experienced installers and performance enthusiasts alike.
Application. Intended for universal fitment with some adaptation required depending on vehicle specifics, this muffler is not reversible and is ideal for classic muscle cars, late model muscle cars, street rods, street/strip vehicles, and trucks/SUVs.
Flowmaster 42542
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation Info
Installation Time
(approx) 1 Hour
Difficulty Level:
Simple installation for anyone.
Installation Guides
No guide available for this part yet.
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