Flowmaster 425404 Original 40 Series Muffler 2.5" Dual Inlet/2.5" Dual Outlet

Description

Flowmaster 425404 Original 40 Series Muffler 2.5" Dual Inlet/2.5" Dual Outlet
FLO 425404
40 Series Muffler - 2.50 Dual IN / 2.50 Dual OUT
Aggressive Sound
40 Series Muffler, 2.50" IN (D) / OUT 2.50" (D): ea, 16 Gauge Aluminized Steel
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.
Durable Fully Welded 16ga Aluminized Steel
Aggressive And Powerful Exterior Exhaust Tone
Notable Interior Resonance
Excellent Street/Strip And Off Road Application
No Internal Packing To Blowout
Looking for the most aggressive sound in the Flowmaster muffler line? Then take a look at these 40 series Flowmaster mufflers. Designed for use on street and strip vehicles, they take the sound waves produced in the exhaust, and cancel them against angled baffles built into the muffler case. This improves both horsepower and fuel economy. Best of all, these Flowmaster mufflers allow you to hear that cool Flowmaster tone inside of the vehicle, as well as outside of it. So, if you want more power and less noise, then you've gotta get these Flowmaster mufflers.
NOTE: All Flowmaster
Mufflers are universal-fit. Some adaptation and modification may be required for installation. Unless stated otherwise, all Flowmaster mufflers are directional mufflers, meaning they have a specific inlet and outlet.
Flowmaster Original 40 Series Muffler - Two Chamber
If you are looking for the original "Flowmaster Sound" the 40 Series is the one. The performance street and strip muffler will also generate interior resonance within the vehicle. So if you want to really hear your exhaust system inside as well as outside the vehicle the 40 series is for you.Application Recommendations:
Off Road and Race Applications
Aggressive Tone For Early Street / Strip Cars
Early Generation Muscle Car
Aluminized Steel
Inlet
Outlet
Part #
Inlet
Outlet
Part #
Inlet
Outlet
Part #
3" Center
2.5" Dual
430402
2.25" Offset
2.25" Center
42441
2.25" Offset
2.25" Offset
42443
2.5" Offset
2.5" Center
42541
2.5" Offset
2.5" Offset
42543
3" Offset
3" Center
43041
3" Offset
3" Offset
43043
Stainless Steel
3" Center
2.5" Dual
80430402
2.25" Offset
2.25" Center
8042441
2.25" Offset
2.25" Offset
8042443
2.5" Offset
2.5" Center
8042541
2.5" Offset
2.5" Offset
8042543
3" Offset
3" Center
8043041
3" Offset
3" Offset
8043043
Check out our full selection of Flowmaster products!
40 Series Delta Flow Muffler
This two chamber design incorporates Flowmaster's patented Delta Flow technology. The "Delta" deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over original 40 Series. Constructed of 16-gauge aluminized steel and fully MIG-welded for maximum durability.
Super 44 Series Mufflers
Flowmaster's Super 44 muffler uses the same Delta Flow technology found in our larger Super 40 mufflers. The Super 44 delivers a powerful rich tone and is the most aggressive, deepest sounding, highest performing four-inch case street muffler we've ever built! Constructed of 16-gauge aluminized steel and fully MIG-welded for maximum durability.
40 Series Mufflers
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.
Super 10 Series Mufflers
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.
Hushpower Axle-Back Systems
The Axle-back kit offers an alternative to a complete Cat-Back system. It's just the ticket for those looking for power enhancement and improved sound without busting the bank. With easy fit in mind, these systems are mandrel bent for maximum efficiency and include specially selected 3.00" Pro Series "Shortie" mufflers with attractive 4.00" polished stainless steel tips. This Hushpower system delivers an moderate performance sound, and like all Hushpower systems delivers improved power, throttle response and mileage. Designed for an easy fit, the system includes all necessary parts and hardware for an easy, at home installation.
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International
KMJ Performance is enrolled in eBay's Global Shipping Program. All international orders are sent to their warehouse in Kentucky, US, before being sent international. If you go to your order in eBay, you will be able to watch tracking for your order. Additionally, here is an
eBay link
for further information on the program.
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