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Home / Exhaust / Muffler / Flowmaster 2.25 IN(O)/OUT(O) DELTA 40 SS Muffler
Flowmaster 2.25 IN(O)/OUT(O) DELTA 40 SS Muffler
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Flowmaster

Flowmaster 2.25 IN(O)/OUT(O) DELTA 40 SS Muffler

PART 842443CATEGORY Muffler
$165.95
MSRP $186.95You save $21.00
$165.95
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 Delta Flow® Stainless Steel - 2.25 Offset In / 2.25 Offset Out - Aggressive Sound

Flowmaster 40 Series Delta Flow® Chambered Muffler

Features

Excellent Street/Strip and Off Road application

Race proven patented Delta Flow® technology

Durable fully welded 409 stainless steel

No internal packing to blowout

Manufacturer notes

Universal Muffler - Not a direct fit. Some adaptation required.

Supplier category
Exhaust, Mufflers & Tips
Supplier subcategory
Muffler
UPC / barcode
700042018246
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 2.25 IN(O)/OUT(O) DELTA 40 SS Muffler

225 INOOUTO DELTA 40 409S

FM OFF/OFF 2.25

About the manufacturer

This two chamber design incorporates Flowmaster's Delta Flow® technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over standard 40 series. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.

Additional manufacturer information

MUFF 2.25IN

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