Jones, Flow FX by Flowmaster and Cherry Bomb were the straight through mufflers for less than $40 at Summit. I was looking in to getting a straight through muffler like an magnaflow. All the glassed packed style mufflers have similar sound. FWIW, the Walker straight through "Ultra Flow" mufflers are the bargain of the century. Fast forward I threw a MagnaFlow on there and the low end torque was almost non existent. "cherry bombs" are freeflows. a chambered muffler has walls inside to direct the flow into a "maze" through the muffler. The sound and performance offered by your muffler depends on how it is designed. Both the turbo and the straight through Ultra Flow. both these muffs. I have run them on a few cars before and wouldn't run any other chambered muffler. I ran across flowmaster flow fx mufflers on summit racing site.Its a straight through muffler … The Spintech muffler is a chambered muffler but it is unique in that it has spiral shaped chambers (if you can call them that). I think you will be fine and it should sound okay. All were stainless steel, and made pretty much the same power as no mufflers at all. sound tends to want to travel in a straight line, when you make the flow turn you interupt the sound waves, thus your exaust comes out quiter out the other side. The longer, the better and smoother the sound. Hey fellas I’m looking into changing my mufflers on my Superchage mustang. Would be interesting to see a dyno comparison of the stock mufflers vs a muffler delete. Back in the day my 94 GMC started with a 40 series chambered dumped over the axle and the low end was same as stock. They said all three looked like the exact same muffler from the same manufacturer. The chambered mufflers never win the debate and it gets worse if you are FI. They are a straight through design such as a Magnaflow or other but they have a substantial amount of packing around the perforated tube. Sweet Thunder and Power Sticks are two examples. It has flowmaster 2 chambers on it. Magnaflow mufflers - Straight through vs chambered - 01/03/17 07:04 PM. The Magnaflow muffler is a straight through glass packed style muffler much like the Borla and TRD muffler. Generally speaking, glasspack mufflers (also known as straight-through mufflers), are the loudest, and it’s best to check the noise pollution laws in your area before you purchase one. Chambered and turbo mufflers tend to be significantly quieter. are good. While straight-through exhaust mufflers may look like the gases and noise go straight through the muffler, there is actually a lot going on inside there. ... Walker Dyno-Max series of mufflers. There have been many debates about this and if I recall, dyno sheets. I have never noticed any loss between straight through and chambered styled mufflers. flowmasters are chambered. I agree though that there is little difference HP wise between a chambered muffler and a straight through design type. They keep that "mustang" sound, unlike some of the straight through mufflers. a chambered is a straight thru muffler and not much different than a glass pack except they don't pack down. open headers, straight through, chambered and turbo. Chambered mufflers will not flow anywhere near as well as a straight thru especially with a heavy load and higher in the rpms. My question is does a chambered style muffler typically do better for low end torque than a straight through design? Not sure if a direct bolt in muffler kit will work for you but for a straight thru design that isnt too loud I would recommend this