






🏁 Unleash the Beast Within – Race-Grade Power in a Compact Package!
The TOTALFLOW 6644 Mini Race Exhaust Muffler is a precision-engineered, universal-fit performance muffler made from heavy-duty 304 stainless steel. Featuring a 2.5" inlet and outlet, a free-flow perforated core wrapped in stainless steel mesh, and TIG welded construction, it delivers enhanced exhaust flow, aggressive sound tuning, and long-lasting durability. Its compact size and polished finish make it the perfect upgrade for custom exhaust projects seeking race-inspired performance and style.


| Brand | TOTALFLOW |
| Material | Stainless Steel |
| Vehicle Service Type | Car |
| Configuration | 2.5" Inner Diameter Inlet | 2.5" Outer Diameter Outlet |
| Shape | Round |
| Inlet Connection Size | 2.5 Inches |
| Outlet Connection Size | 2.5 Inches |
| UPC | 816264026362 |
| Manufacturer | TOTALFLOW |
| OEM Part Number | 2-1/2 Inch Exhaust Muffler |
| Model | 6644 |
| Item Weight | 1.64 pounds |
| Package Dimensions | 6.77 x 3.86 x 3.7 inches |
| Item model number | 6644 |
| Exterior | Polished |
| Manufacturer Part Number | 6644 |
| Special Features | muffler, mufflers, resonators, clamps, clamp band, band clamps, exhaust system kit, exhaust pipe, silencer, resonator, performance muffler, inlet muffler, glasspack muffler, TOTALFLOW 6644 Mini Race Exhaust Muffler | 304 Stainless Steel | 3.5" Round Width | 4" Body 6" Overall Length Inner Inlet-2.5" Outer Diameter Outlet |
H**9
Recommend assembly and an unbiased review after a year of owning one
The media could not be loaded. I painted mine with ceramic matte black. Works best when put within an exhaust system. 12 inches or more of pip afterwards for best results. 5/5 will buy again for another bike. Had this for a year now. I bolted mine with 5/16" self tapping metal screws cause ai have no welder. Tight fitting, Sounds 👍 👌
A**N
Tiny but Mighty!
I have a 2020 Ford Mustang EcoBoost, and I put a 3” custom exhaust with SLP “resonators” on my Mustang about two weeks before I got this little resonator. To be honest, I wasn’t expecting much since my exhaust setup had quite a bit of drone on the freeway. I had my local exhaust shop install this resonator, and after they put it on and I drove it. I was impressed with the sound. It got rid of like 60-70% of the drone, and I still have that loud volume I love from my Mustang. But it’s not so loud that I can’t have a conversation in my car like before. Definitely scoop this up if you want a loud exhaust but want to eliminate most of the drone!
M**N
It’s a muffler not a resonator
This item was very affordable and gets the job done.Build quality is really good also
V**R
Know what you want
These mufflers are well built and high-quality. Not spectacular but perfectly good. That being said, throwing these on a V6 sounds awfully sad. Serious drone.
N**L
High quality
Got them a week earlier than expected. Very high quality welds and overall feel. Can't wait to get them put on.
B**A
Great little resonator.
Put these on a Kooks true dual exhaust to take a little edge off of the cold start up and drone.Worked as expected, deepened the tone a bit, but cut back on the drone quite a bit.
L**M
Worked great but now I'm not sure
Seemed to eliminate mostly all the drone and take it to a more reasonable sound level but after a few weeks of driving sounds like the drones back I might have an exhaust leak so updates to come.
H**A
Exactly what I needed
I bought a 2018 Mustang GT with active exhaust, which sounded pretty good as is. But I wanted more of an old school muscle sound so I replaced the factory resonator with an h-pipe. Thay lowered the tone but made it a bit too loud for my taste and was raspy in the higher rpms. I bought 2 of these "mufflers" and put them in the middle of my h-pipe and I have finally achieved my perfect exhaust note. It brought it down a little deeper, took the volume down a smidge, and no more high end raspe. And with 304 steel I won't have to worry about them rusting out.One thing to note, one end is slightly larger than the other. I could fit one end perfectly over my 2.5 pipe, but the other end I had to butt up. No big deal but would have been way easier and more air tight sliding both ends together.
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