Engine Kits

Flowmaster 42543 Exhaust 40 Series Muffler
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Flowmaster 42543 Exhaust 40 Series Muffler

Part #: 42543
List Price: $188.89
Our Price: $85.86
You Save: $103.03

40 Series Muffler, 2.50" (O) / 2.50" OUT (O), American Thunder 40 Series is the most aggressive sounding street and strip muffler in Flowmaster's product line. If you are looking for the original "Flowmaster tone," the 40 Series is the one. The performance street and strip muffler will also generate interior resonance within the vehicle. So if you want to really hear your exhaust system inside the vehicle as well as outside it, the 40 Series is for you

Part #: 42543
Manufacturer: Flowmaster
Inlet Size: 2.25" Offset
Outlet Size: 2.25" Offset
Material: Aluminized
Body: 4" x 9.75"
Case Length: 13"
Overall Length: 19"
Brand Flowmaster
Case Length (in) 13.000 in.
Case Shape Oval
Inlet Diameter (in) 2.500 in.
Inlet Location Offset
Inlet Quantity Single
Internal Construction Chambered
Muffler Finish Aluminized
Muffler Material Steel
Outlet Diameter (in) 2.500 in.
Outlet Location Offset
Outlet Quantity Single
Outlet Style Standard, without tip
Overall Length (in) 19.000 in.
Part Type Mufflers
Product Line Flowmaster 40 Series Mufflers
Quantity Sold individually.
Thickness (in) 4.000 in.
Width (in) 9.750 in.