Have Questions?
Flowmaster 942541 40 Series Delta Flow Chambered Muffler
Guaranteed Fitment
Always the correct part
Added Value
Performance matched parts
In-House Experts
We know our products
Nationwide Delivery
Economy shipping
Body, Exterior & Accessories ❯
Brakes ❯
Tools, Hardware & Consumables ❯
Towing, Trailer & Truck Accessories ❯
Always the correct part
Performance matched parts
We know our products
Economy shipping
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 aluminized steel and fully MIG welded for maximum durability.
Description_ASC | Delta Flow® 40 Series Universal Muffler - Not a direct fit. Some adaptation required. |
Description_DEF | Exhaust Muffler |
Description_DES | Flowmaster 40 Series Delta Flow Chambered Muffler |
Description_MKT | 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 aluminized steel and fully MIG welded for maximum durability. |
Description_FAB | Durable Fully Welded 409 Stainless Steel |
Description_FAB | Race Proven Patented Delta Flow (R) Technology |
Description_FAB | Excellent Street/Strip And Off Road Application |
Description_FAB | No Internal Packing To Blowout |
Description_EXT | 40 Series (TM) Delta Flow Muffler; 2.5 in. Offset Inlet/Center Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; Aluminized Steel; |
Description_INV | 2.5 IN(O)/OUT(C) 40 SERIES DF |
Description_SHO | Muffler |
WARNING CA Proposition 65 | No |
Outlet Diameter | 2.500 in. |
Title | Flowmaster 942541 40 Delta Flow Muffler - 2.50 Offset In / 2.50 Center Out - Aggressive Sound |
Main Piping Diameter | 2.500 in. |
Inlet Diameter (in) | 2.5 |
Color | Black |
Material | Aluminized Steel |
Body Width (in) | 9.75 |
Overall Length (In) | 19 |
Type of Muffler | Chambered |
Vehicle Type | 4/6 CYL Engine, Classic Muscle Car, Late Model Muscle Car, Street Rod, Street/Strip, Truck/SUV |
Muffler Type | Reflection |
Inlet Type | Single Offset |
Shape | Oval |
Body Width | 9.750 in. |
Inlet Outside Diameter | 2.500 in. |
Tip Quantity | 0 |
Outlet Position | Center |
Body Height (in) | 4 |
California Proposition 65 Required | No |
Product Type | Street Mufflers |
Reversible | No |
Sound Level | Aggressive Sound |
Automotive Item Grade | High Performance |
Inlet Inside Diameter | 2.500 in. |
Overall Length | 19.000 in. |
Body Length | 13.000 in. |
Mount Type | Uses New Hangers (Not Included) |
Body Height | 4.000 in. |
Muffler Series | 40 Series Delta Flow |
Outlet Outside Diameter | 2.500 in. |
Outlet Type | Single Center Outlet |
Fitment | Universal |
Inlet Position | Offset |
Inlet Diameter | 2.500 in. |
Body Length (in) | 13 |
Brand | Flowmaster |
Emission Code | 5 |
Finish | Paint |
Inlet Connection Type | Pipe Connection |
Outlet Connection Type | Pipe Connection |
Outlet Diameter (in) | 2.5 |
Sale Category | Exhaust |
Length | 5.0000 |
Width | 10.0000 |
Height | 21.0000 |
Weight | 9.0000 |
Adding product to your cart
Ship To Your Home or Pick Up In Store
Cash, Debit, Credit, PayPal, and Financing
Shop With Confidence
Get the Help You Need
Solid hitch with serious strength and clean powder coat, heavy to lift, but installs easy and tows perfectly!!
Shipping was quick and on time - exactly what I needed for my small-block build - would buy again for sure
Weatherbeater mats fit my work truck perfectly. Dropped them in and nothing moves. Truly a great upgrade
Window visors look incredible and feel durable, install was simple. Zero wind noise on the highway!
Leveling kit components were well packed. Instructions lacking, but online videos helped. Rides level now and feels planted.
Found single lifter pairs in stock here when others required full sets, fast shipping got me racing again, hell yeah!!
Rear bumper upgrade looks better than factory plastic. Install was easy, and functionality is miles ahead. Highly recommended.
Tonneau cover fit is excellent. Clear instructions and a smooth install. Delivery to my door was super convenient
Turbo arrived next morning and matched description. Bolted up cleanly and truck is back to full power.
Husband’s birthday grille guard is rock solid, looks sharp he loves it so much!!! Thanks again
Customer service handled a damaged shipment immediately. Refund was painless. I’ll shop here again.
Exhaust system installed in two hours on my first try. Perfect fit and the sound is pure joy.
Need help? We're available at (877) 743-7862 or email us at: sales@shdp.ca
Ship To Your Home or Pick Up In Store
Cash, Debit, Credit, PayPal, and Financing
Shop With Confidence
Get the Help You Need