Home
Parts
Exhaust
Mufflers and Exhaust Pipes
Mufflers
Flowmaster 10 Series Muffler 409S, 2.5 In. Offset Inlet, 2.5 In. Offset Outlet, Aggressive Tone

Flowmaster 10 Series Muffler 409S, 2.5 In. Offset Inlet, 2.5 In. Offset Outlet, Aggressive Tone

Product May Vary From Above Listed Image

(0) Reviews

1978-1988 Cutlass Flowmaster 10 Series Muffler 409S, 2.5 In. Offset Inlet, 2.5 In. Offset Outlet, Aggressive Tone 842518

Name: Flowmaster 10 Series Muffler 409S, 2.5 In. Offset Inlet, 2.5 In. Offset Outlet, Aggressive Tone
Brand: Flowmaster
SKU: FLOW-842518
Price: 89.99 USD
Availability: BackOrder

Ground Up Part #: FLOW-842518

Manufacturer Part #: 842518

No Vehicle Selected

Camaro Chevelle Nova El Camino Monte Carlo Malibu Grand Prix

Cutlass

Regal

(fits 9 models)

Product May Vary From Above Listed Image

No Vehicle Selected

Application

$89.99 (Each)

MSRP: $112.95

(You Save: 20%)

Ready to ship directly from the manufacturer

This product is eligible for free shipping with a promotional code.

You’re only $299 away from qualifying for free shipping with promotional code FSHIP!

Not Eligible For Discounting
Eligible For Free Shipping

Part Details Related Products Vehicle Fitment Reviews

Super 10 Series 409S stainless steel - single chamber mufflers. Intended for customers who desire the loudest and most aggressive sound they can find. Because these mufflers are so aggressive, they are recommended only for off highway use and not for street driven vehicles. These mufflers utilize the same patented Delta Flow technology that is found in Flowmaster's other Super Series mufflers to deliver maximum performance. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.Features:Intended only for off-road or race applicationsDelta Flow Technology409 Stainless Steel ConstructionSuper 10 Sound LevelSpecifications:Body Height (in): 4Body Length (in): 6.5Body Width (in): 9.5Fitment: UniversalInlet Connection Type: Pipe ConnectionInlet Diameter (in): 2.5Inlet Position: OffsetMaterial: Stainless SteelMount Type: Uses New Hangers (Not Included)Muffler Series: Super 10 SeriesMuffler Type: ReflectionOutlet Connection Type: Pipe ConnectionOutlet Diameter (in): 2.5Outlet Position: OffsetOverall Length (in): 12.5Shape: OvalSound Level: Aggressive Sound

Manufacturer Part Number : 842518

Part Notes:

UNIVERSAL RACE MUFFLER. NOT A DIRECT-FIT. SOME ADAPTATION REQUIRED.

WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov

Emissions

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations

Brand

Additional Information

SS396.com Part #: FLOW-842518
Brand: Flowmaster
Manufacturer Part #: 842518
Sold As: Each
Shipping Details: This Item Ships Ground.
Promotions: Holley Days
Promo Details: 2025 Holley Days Sale

Customers Also Bought These With Flowmaster 10 Series Muffler 409S, 2.5 In. Offset Inlet, 2.5 In. Offset Outlet, Aggressive Tone

Vehicle Fitment

Make	Model	Year	Body Style
Oldsmobile	Cutlass	1978	-
Oldsmobile	Cutlass	1979	-
Oldsmobile	Cutlass	1980	-
Oldsmobile	Cutlass	1981	-
Oldsmobile	Cutlass	1982	-
Oldsmobile	Cutlass	1983	-
Oldsmobile	Cutlass	1984	-
Oldsmobile	Cutlass	1985	-
Oldsmobile	Cutlass	1986	-
Oldsmobile	Cutlass	1987	-
Oldsmobile	Cutlass	1988	-

Installation Time: Info Unavailable

Installation Difficulty: Info Unavailable

Installation Guides: Unavailable – Request Guide Creation

Have a Question About This
Product ?

Our knowledgeable team is standing by to help you with your restoration needs!

Call Us Chat With Us

Monday-Thursday: 9-5 | Friday: 9-3 | Saturday : 9-1 ET* | Sunday: CLOSED

Reviews

Get updates and special offers from SS396.com

Stay up-to-date on our promotions, flash sales and all things built from the Ground Up! Let us know the car your working on so we can tailor emails to the car you’re shopping for!