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Originally Posted by andy1lisa
You guys are great. I am impressed with this forum!!! I am going to get a thermostat either 180 or 185 and the Preditor tuner for sure. Then I will probably be chiming for some more guidance.
I was checking out the exhaust while my car was at Discount Tire getting the tires rotated and noticed that the Magnaflow exhaust has the two muflers at the rear, then about half way back towards the engine, there is another Magnaflow box that both pipes go through, then just underneath the engine there are two smaller round muffler looking things. Can someone explain in plain english. I am guesing that those are maybe the resonators??? Any help is appreciated. Need all I can get.
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The center muffler is nick named the suitcase. The rear mufflers are called resonators. My friend's srt8 has the magnaflow exhaust too. When we both dyno'd on the same day getting our diablos dialed in he was about 12-14 hp higher than me (when I had stock exhaust and all other mods we were the same). The tuner said his car took more fuel because of the free flowing exhaust.
On my stock exhaust I had expiremented with removing the suitcase. I lost 20 hp on the dyno by removing it (I put my friend's above stock exhaust back on and still have the suitcase exhaust in my backyard killing weeds). It is an expansion chamber and helps. So leave it alone. The magnaflow exhaust is tuned and produces just about the highest gains. Others claim corsa is the best but I only see other members claim a 10 hp gain with corsa.