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Whats the difference between Super 40's, delta 40's, and the regular 40 series? I just bought a pair of American Thunder 40 series, and was wondering if they are louder/quiter than the Super 40's on that sound clip.
From: Stafford, Virginia Kittah, Kittah, Kittah...
Originally Posted by LT1Vetteguy78
The flowmasters are going to give you a headache...Natham has a post somewhere on the tech boards with a Viedo he has flowmaster.....I think his post title is like "LT4hot cam in F minor" download the video and you will see how loud they are...
I have the Corsa's they give the car a very nice look and sound great, and is truely a high quality product
Only if you get the older, "American Thunder" series... The, "Force II" system is much quieter and I have no resonance issues on my LT4 (see my sig)...
It doesn't sound quite as good as a Flowmaster on a Z28 or Mustang, but it is louder/rumblier (is that a word??) than the Corsa systems I've heard, which is what I wanted...
I put in Flows a few years ago. I am not sure which ones they were.(I bought the cat back system off a friend). It was quiet. I thought it was just a little above stock. So, I had the resonator removed. That sound was much better. This past month, I wanted more, so I went with muffler elims with stock tips. I love this sound.