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Home / Exhaust / Muffler / Flowmaster 2.5 IN(O)/OUT(O) 50 Series DF SS Muffler
Flowmaster 2.5 IN(O)/OUT(O) 50 Series DF SS Muffler
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Flowmaster

Flowmaster 2.5 IN(O)/OUT(O) 50 Series DF SS Muffler

PART 842553CATEGORY Muffler
$188.95
MSRP $212.95You save $24.00
$188.95
1

Product information

Manufacturer information. Check the part number and installation requirements for your vehicle.

Supplier details checked 2026-09-23 · Test catalog

Some supplier details are unavailable for this product.

Product description

50 Delta Flow® Stainless Steel - 2.50 Offset In / 2.50 Offset Out - Moderate Sound

Flowmaster 50 Series Delta Flow Chambered Muffler

Features

Improved Horsepower, Torque and Engine Efficiency

Excellent choice for Street Rod cars and trucks

Mild interior resonance

Moderate Sound

Manufacturer notes

Universal Muffler - Some adaptation may be required.

Supplier category
Exhaust, Mufflers & Tips
Supplier subcategory
Muffler
UPC / barcode
700042018475
Units per product
1
Supplier Proposition 65 status
Y
Supplier EPA status
N/A
Air freight prohibited
No
Not CARB approved
No
CARB acknowledgement required
No
Freight delivery required
No
Powersports product
No

Manuals and documents

More manufacturer information

Other product descriptions

Flowmaster 2.5 IN(O)/OUT(O) 50 Series DF SS Muffler

25 INOOUTO 50 SERIES DF 409S

FM50SRS OFF/OFF 2.5

About the manufacturer

The three chamber design utilizes Flowmaster's Delta Flow® 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.

Additional manufacturer information

MUFF 2.50IN

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Flowmaster 2.5 IN(O)/OUT(O) 50 Series DF SS Muffler | Q40 Motorsports