Flowmaster's Super 44 muffler delivers a powerful rich tone and is the most aggressive, deepest sounding, highest performing2-chamberstreet muffler we've ever built! Available in 409S Stainless Steel with a Lifetime Limited Warranty, these mufflers feature our advanced Delta Flow Technology design and are fully MIG-welded for maximum durability. This new dual in/dual out design is perfect for applications that require one muffler for both exhaust pipes to pass through and has 2.50" inlets and outlets with 3.50" internals for maximum performance.
| Automotive Item Grade | High Performance |
| Body Height | 4.000 in. |
| Body Length | 13.000 in. |
| Body Width | 9.500 in. |
| California Proposition 65 Chemical Name 1 | Nickel (metallic) |
| California Proposition 65 Chemical Name 2 | Chromium (hexavalent compounds) |
| Fitment | Universal |
| Inlet Connection Type | Pipe |
| Inlet Diameter | 2.500 in. |
| Inlet Inside Diameter | 2.500 in. |
| Inlet Outside Diameter | 2.500 in. |
| Inlet Position | Dual |
| Inlet Type | Dual |
| Main Piping Diameter | 2.500 in. |
| Material | Stainless Steel |
| Muffler Series | Super 44 Series |
| Muffler Type | Absorption |
| Outlet Connection Type | Pipe |
| Outlet Diameter | 2.500 in. |
| Outlet Outside Diameter | 2.500 in. |
| Outlet Position | Dual |
| Outlet Type | Dual Outlet |
| Overall Length | 13.000 in. |
| Shape | Oval |
| Sound Level | Aggressive |
| Tip Quantity | 0 |
| Title | Flowmaster 8425454 Super 44 Series Muffler - 2.5IN(D)/2.5OUT(D) 409S |
| WARNING CA Proposition 65 | Yes |
| WARNING CA Proposition 65 Message | WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
Flowmaster
The Super 50 series muffler is a larger version of Flowmaster's 50 series Delta Flow muffler. Originally designed for trucks and SUV's, it is also well suited to muscle car and high performance...
Flowmaster
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...
Flowmaster
The 50 Series Big Block muffler is made for more than just big cubic inch engine applications. Its large case size with internal tuning chamber provides mileage and power gains along with maximum...
Flowmaster
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...
Flowmaster
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...
