Chambered mufflers are louder than the straight through, but a different kind of loud. Would be interesting to see a dyno comparison of the stock mufflers vs a muffler delete. the collectors and mufflers were short. Photo 3 shows the offset between the straight-through Powerstick & the resonator attached to the new tailpipe. The exhaust system is an integral part of the components that regulate airflow through the engine. They keep that "mustang" sound, unlike some of the straight through mufflers. FWIW, the Walker straight through "Ultra Flow" mufflers are the bargain of the century. Still all metal but not the low backs. 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. Not the end of the world but the welds are leaking and they are really loud. 4 inch exhaust isn't really necessary for power until one is pushing lots more fuel and boost from my experience. To achieve maximum performance, these components must be tuned together as a system for maximum performance within a given rpm range. Fast forward I threw a MagnaFlow on there and the low end torque was almost non existent. The Enginemasters Episode suggests about 5% gain in that case. It is a Chambered structure, no pressing material. redturbofox, Apr 20, 2014 #1. open headers, straight through, chambered and turbo. The straight through turbo design of this muffler offers maximum flow with a deep muscle car rumble at idle and cruising speeds and a very aggressive tone when you jump on the throttle. For a 350cuin motor like the 5.7 Hemi a good balance for low rpm grunt and decent mid to upper breathing would be some long tubes with a smaller primary like a 1 5/8” OD. Thrush is more intense than stock and gives your motor more power. Chambered mufflers do a better job reducing the exhaust noise, but straight through mufflers have less flow resistance, which improves the vehicle’s horsepower. It’s exhaust frameworks and Magnaflow suppressors, for example, are known for conveying gigantic lifts in power and performance. I have run them on a few cars before and wouldn't run any other chambered muffler. I was planning to buy 2 Magnaflow xl (chambered) mufflers. The Magnaflow brand muffler is a straight through design with sound deadening material wrapped around a perforated core. Aggressive | Straight-Through Muffler Featuring straight-through mufflers and brilliant 409S stainless steel tubing, FlowFX exhausts offer big boosts in performance along with an aggressive tone. The mufflers were straight mufflers with rounded ends smaller inlet ant outlet tubes. The higher flowing straight through mufflers offer much less restriction and thus shift the scavaging and flow into a higher rpm hence they they pull up top. I would describe the chambered as throaty/raspy while the straight through has a deep powerful sound. Here’s a little video comparing some lightly modded 4th Gen. F-bodies with different exhaust systems. If you care more about a quiet ride, you should probably choose a chambered muffler. From its name, it has a straight-through design wrapped in a fiberglass packing. All are built with the idea of dampening the sound emitted from an internal combustion engine. EDIT: I didn't notice a power change with the 3 inch exhaust and muffler removed, but the butt dyno told me that the 4 inch SLIGHTLY increased responsiveness, but that could just be my mind playing tricks on me with the deeper sound. They flow better than any other chambered muffler out there and sound awesome. 5. Turbo mufflers sound can vary widely in volume and tone, and tend to quieter than a chambered or a straight-through muffler. This straight-through configuration allows Corsa systems to reduce backpressure, maximize horsepower and torque output, and produce an aggressive sound under acceleration—all without the drone at cruising speeds. Photo 4 shows expert installer compression-bending a 3” offset pipe, which will join the Powerstick to the resonator. In my case i want to know the gain going from 2.5 dual exhaust with straight through mufflers to open headers with 18" extension. With a chambered exhaust, your ride gains a rumbling, slightly metallic exhaust note that’s sure to turn heads. The current mufflers are glass packs. The straight through muffler is also more compact. My Tacoma 2.7 is currently running one of their largest all stainless steel 22 inch long 5X11 oval, 2 1/4" center in, 2 1/4 offset out mufflers. Both the turbo and the straight through Ultra Flow. I bought a 10 foot length of 3 1/2" exhaust pipe and cut pieces to add inches to the collectors and the mufflers. It produces quite an aggressive sound, not too loud, ... Straight-through mufflers are preferable in terms of performance, but they are louder. Magnaflow is straight through the plan, loaded up with acoustical pressing material. Youtube clips (with headphones to help with the bass) can be helpful. For the record, there are a number of other muffler types from straight through to glass pack to any other type you can think of. BoostedBadBoy Joined: Nov 19, 2010. Photo 2 shows “Muffler Dave” heating & bending a new rod hanger which will be welded to the new muffler. Just look at it this way, if the muffler is shaped as a "cylindrical can," it's straight-through. One of the first choices you’ll make when selecting a muffler is how you want it to work. Also note that our Mustang did not benefit from the 498 cfm flow of the UltraFlow "straight through" mufflers vs. the Pypes V-Force 304 cfm flow mufflers. 3. Look at the Hooker Aerochambers. If it looks like a rectangular box (like Flowmaster 40's), then its chambered. Thus re-igniting the ongoing arguement that the better the flow, the higher the horsepower. Muffler Style: Chambered vs Turbo vs Straight-Through. It looks like they were for a larger pipe but the PO cut the ends off and welded the pipe to the body of the muffler. GENERALLY people say X pipe sounds best with a straight through, one of my personal favorites is a catless X and Magnapacks. Chambered vs. Straight Through Mufflers V8 LT1 Engine, Exhaust, and Bolt-Ons These mufflers could be used for a daily driver but may be considered too aggressive by some. My question is does a chambered style muffler typically do better for low end torque than a straight through design? I've heard both on a crown vic. Straight-through Muffler. Whether it’s the stock manifolds vs. longtubes, a chambered exhaust vs. a straight-through muffler or a Y-pipe vs. a true-dual setup, you can significantly change the sound of your LS-vehicle with different exhaust systems. If you do a quick chambered muffler vs. straight through muffler comparison, you’ll see that the biggest differences lie whether the airflow is restricted or flows freely and if there are packing materials used in its construction. They said all three looked like the exact same muffler from the same manufacturer. Chambered mufflers have baffles, or chambers in them. Other key components include the induction system, cylinder heads, and camshaft. They are a chambered muffler, but not like Flowbastards. Non chambered, or turbo/straight through muffleres are less restrictive, usually have some kind of packing in them. Muffler comparison on the dyno. Tech Tip: Straight-Through Mufflers vs. Laminar Flow Mufflers. I also like the sound of the bigger (say 3") Walker Dyno-Max series of mufflers. All were stainless steel, and made pretty much the same power as no mufflers at all. Long ago, we learned that no two Cavalier or Sunfire owners wanted the same type of tip on their exhaust system, so we resolved this by including a simple, turned down aluminized tip, that the owner could replace with anything they desired. The Bassani race mufflers which look like a "can" are straight-through mufflers. So when you read a blog post or some ad copy on an exhaust system, it will often refer to a “chambered” muffler designs. My personal preference is the straight through. 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. Inside the Muffler Mufflers silence sound waves by converting the sound wave energy into heat by passing the exhaust gas and it’s accompanying wave pattern, through perforated tubes and tuning chambers. Jones, Flow FX by Flowmaster and Cherry Bomb were the straight through mufflers for less than $40 at Summit. 4. You won't have gains, turbo's make plenty of back pressure without chambered mufflers and they are known to rob some of that power. ... Tech Tip: Straight-Through Mufflers vs. Laminar Flow Mufflers. Classic Chambered Exhaust manufactures a series of unique mufflers called POWERSTICKS-based on the original concept of chambered exhaust that first appeared on high performance GM vehicles of the 1960’s.Chambered exhaust produces a very unique & aggressive note – unlike anything else used in exhaust tuning! As a constant diameter straight through muffler, it does not add any backpressure to the exhaust system. Unlike many chambered mufflers, which use baffles to reduce sound, Corsa utilizes a straight-through design with no restrictions. It comes with dual exits, side location, Dyno tuned, chambered muffler. The dynomax superturbo is a very good muffler as well as some other chambered style mufflers that flow almost as well and are overall less noisy. The core smoothly angles through … The kit ensures great performance, 5-10% of throttle response and mileage increase, power and superior gas flow. Anybody seen proven gains with chambered vs straight through mufflers? The large core of FlowFX mufflers maximizes performance while their straight-through design streamlines exhaust flow to yield deep, hard-hitting sound. The longer, the better and smoother the sound. Jump to Latest Follow ... the 3 chambered mufflers and picked up .15 and 1 mph at the track. I agree though that there is little difference HP wise between a chambered muffler and a straight through … I cut the mufflers and added length to everything. Exhaust System Advice – Beware Straight Pipes and DIY Exhaust Systems One of the most popular vehicle performance add-ons is an upgraded exhaust system, and with good reason: A correctly designed and tuned exhaust system can add torque and horsepower across a wide RPM range. I also suggests that the 3" system made more torque (and therefore power) everywhere across the rpm range, at least along the measurable range (3000 rpm+). So for an H pipe most people say chambered. A straight-muffler, also called a glasspack, is a type of muffler with the simplest looking design. I personally like the sound of chambered mufflers, but I went with a magnaflow due to the mellower exhaust note it has compared to other straight through mufflers. Bassani exhaust mufflers that look rectangular in shape are chambered.