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Home / Exhaust / Muffler / Flowmaster 2.75 IN(D)/2.5 (D)OUT 50 Series BB Muffler
Flowmaster 2.75 IN(D)/2.5 (D)OUT 50 Series BB Muffler
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Flowmaster

Flowmaster 2.75 IN(D)/2.5 (D)OUT 50 Series BB Muffler

PART 527504CATEGORY Muffler
$299.95
MSRP $337.95You save $38.00
$299.95
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 Big Block - 2.75 Dual In / 2.50 Dual Out - Mild Sound

Flowmaster 50 Series Big Block Chambered Muffler

Features

Recommended for SUV/trucks/motorhomes/tow vehicles

Improved Horsepower, Torque and Engine Efficiency

Mild to stock exterior exhaust tone

Minimal interior resonance

Manufacturer notes

Universal Muffler - Some adaptation may be required.

Supplier category
Exhaust, Mufflers & Tips
Supplier subcategory
Muffler
UPC / barcode
700042016532
Units per product
1
Supplier Proposition 65 status
N
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 2.75 IN(D)/2.5 (D)OUT 50 Series BB Muffler

275 IND25 DOUT 50 SERIES BB

FM50SRS DUAL 2.75

About the manufacturer

The 50 Series Big Block muffler is made for more than just big cubic inch engine applications. Its large case size with internal tuning chamber provides mileage and power gains along with maximum sound control for a quiet interior tone, even under heavy loads. Well suited to heavy duty vehicles such as full size trucks, SUV's, RVs, and tow vehicles. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.

Additional manufacturer information

MUFF 2.75IN

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Flowmaster 2.75 IN(D)/2.5 (D)OUT 50 Series BB Muffler | Q40 Motorsports