Buy Flowmaster 843041 40 Delta Muffler 409S - 3.00 Offset IN / 3.00 Center OUT - Aggressive SoundFlowmaster 843041 40 Delta Muffler 409S - 3.00 Offset IN / 3.00 Center OUT - Aggressive Sound Product Description:
- Durable fully welded 409 staInless steel
- Reduced Interior resonance
- Excellent street, strip and off road application
- No Internal packIng to blowOut
- Race proven patented delta flow technology
Product Description
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 standard 40 Series. Constructed of 16 gauge 409S staInless steel and fully MIG welded for maximum durability.
Customer Reviews
Most helpful customer reviews
0 of 0 people found the following review helpful.
Awesome just awesome
By Milan Jirak
Great sound! I'm sure I'm going to save some gas over time with better flow. Exactly what I was looking for. It's light and sturdy compare to stock. Perfect fit! Happy camper!
0 of 0 people found the following review helpful.Works as advertised
By D. Sauer
I'm running one of these on my wife's 2004 Mercury Grand Marquis (2 valve 4.6L V8). I removed the secondary catalytic converters (the primaries are still there and it still passes emissions, so calm down) and made a 2.25" y-pipe merging in to a single 3 inch pipe, exiting out the back in the stock location (albeit with a much larger pipe). I have regular 40-series mufflers on two other cars (one dual 2.5", one dual 3"), and the Delta Flow technology really does reduce interior resonance compared to those. The tone is slightly different, but still distinctly Flowmaster. With the factory gearing, this muffler is not annoying at any cruise speeds between 45 and 80MPH, even with the overdrive turned off. But you can definitely tell that it's there, even in a fairly well-insulated car like the Marquis. I probably would not go any louder (ie, plain 40 or super 44) in an insulated daily driver, and this might be just on the border line in an older car with less sound deadening.
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