Street. Track. Everything between.
07 3276 7829
Your garage Find parts for your vehicle Select year, make and model to narrow your search.

Flowmaster 40 Series Delta Flow Steel 2.5 Inch Muffler 9425422 Muffler, Series, 2 1/2 in. Inlet/Dual 2 1/4 in. Outlet, Steel, Black, Each

SKU: FLO9425422

Mufflers

Flowmaster 40 Series Delta Flow Steel 2.5 Inch Muffler 9425422 Muffler, Series, 2 1/2 in. Inlet/Dual 2 1/4 in. Outlet, Steel, Black, Each

SKU: FLO9425422

Mufflers
A$557.43
LAST ONE! Est Ship 4-7 days. In stock at 1 location (only 1 available)

Added to cart

We accept
American Express
Mastercard
Visa
PayPal Checkout
Direct Deposit
Afterpay
Apple Pay
Google Pay
Zip Pay

Description


Data: v2 - Desc: v4.2 - Upd: 2026-11-08 01:09:57

Data: v4.2 - Upd: 2026-11-11 03:04:11

Features

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Flowmaster, Flowmaster (holley)
StreetFX SKU flo9425422
SFX Item ID 4983591
Accounting SKU flo-9425422
Manufacturer SKU 9425422
Manufacturer UPC 700042016976
Alternative References 9425422, FLM9425422, FLO-9425422

Muffler, Delta Flow 40 Series, 2 1/2 in. Inlet/Dual 2 1/4 in. Outlet, Steel, Black, Each

Flowmaster Super 40 Series Delta Flow mufflers go a step beyond their original 40 Series product. By precisely placing three internal baffles in the case, and welding them to exacting specifications, the 40 Series Delta Flow mufflers not only out-scavenge the originals, but they also provide superior reductions in exterior sound levels and resonance, which are transmitted through the exhaust system and into the vehicle. You get all this, plus improved torque and horsepower—and that famous Flowmaster sound!

Product Attributes
BrandFlowmaster
Manufacturer's Part Number9425422
Part TypeMufflers
Product LineFlowmaster 40 Series Delta Flow Mufflers
UPC700042016976
Muffler MaterialSteel
Inlet Diameter (in.)2.50 in.
Outlet Diameter (in.)2.25 in.
Inlet Quantity1
Outlet Quantity2
Inlet LocationCenter
Outlet LocationOffset
Case ShapeOval
ReversibleNo
Internal ConstructionChambered
Muffler FinishBlack
Case Exterior Length (in.)13.00 in.
Overall Length (in.)19.00 in.
Thickness (in.)4.000
Width (in.)9.750 in.
Outlet StyleStandard, without tip
RemanufacturedNo
QuantitySold individually.

Compatibility

Loading compatibility information...

Keep shopping

More from Flowmaster