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Home / Exhaust / Muffler / Flowmaster 2.50 IN(D)/OUT(D) 40 Series Muffler
Flowmaster 2.50 IN(D)/OUT(D) 40 Series Muffler
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Flowmaster

Flowmaster 2.50 IN(D)/OUT(D) 40 Series Muffler

PART 425404CATEGORY Muffler
$101.95
MSRP $114.95You save $13.00
$101.95
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

40 Series - 2.50" IN(D)/OUT(D) - Aggressive Sound

Flowmaster 40 Series Chambered Muffler

Features

Excellent Street/Strip and Off Road application

Durable fully welded 16 gauge aluminized steel

Aggressive Sound Exterior Exhaust Tone

No internal packing to blowout

Manufacturer notes

Universal Muffler - Some adaptation may be required.

Supplier category
Exhaust, Mufflers & Tips
Supplier subcategory
Muffler
UPC / barcode
700042026029
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 2.50 IN(D)/OUT(D) 40 Series Muffler

250 INDOUTD 40 SERIES

FM40SRS DUAL/D 2.5

About the manufacturer

The Original 40 series muffler delivers an aggressive exterior and interior tone. If you're looking for that original Flowmaster sound this is the muffler is for you. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.

Additional manufacturer information

MUFF 2.50IN

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