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Dynomax 17656 Thrush Welded Muffler |  | Brand: Dynomax
Category: Automotive Parts and Accessories
List Price: $31.99
Buy New: $27.77
as of 9/10/2010 21:51 CDT details
You Save: $4.22 (13%)
New (3) from $27.77
Seller: Amazon.com
Rating:  4 reviews
Media: Misc.
Shipping Weight (lbs): 13
Dimensions (in): 38.8 x 11.3 x 4.9
MPN: 17656
Model: 17656
UPC: 086387176569
EAN: 0086387176569
Shipping: Eligible for FREE Super Saver Shipping
Availability: Usually ships in 24 hours
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| Features:
| • | Designed to maximize engine performance | | • | Made from aluminized steel | | • | Resists corrosion | | • | Features a two chamber design for long lasting performance | | • | Easy installation |
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| Editorial Reviews:
Product Description
Muffler: various makes and models; Thursh side-center; 2 1/2'' inlet; 2 1/2'' outlet
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| Customer Reviews:
 Flowmaster at 1/4th the Price September 16, 2009
Palm Trees (New Jersey)
1 out of 1 found this review helpful
Don't be fooled by the low price. This unit is as heavy as a Flowmaster, the welds just as clean and it is aluminized steel just like the Flowmaster (except their stainless) and has a very similar Delta Flow design. When I first put it on I felt is was too quiet. I found that the GMC Envoy uses a heavy and large resonator just before the tailpipe that really acts like a second muffler. As an experiment, I cut the pipe off a few inches past the muffler and removed everything from there back. WAY too loud that way so I knew it had the potential to give me the sound I was looking for. I simple put the tailpipe back on minus the resonator and now it sounds perfect. I have a Flowmaster on my Chevy Colorado inline 5 and it is a bit deeper in tone than this Thrush which is on the inline 6 cylinder (same engine + an extra cylinder) and it gives a nice deep but slightly mellower tone. I'm happy with the build quality and more happy with the sound the Envoy now has. No complaints since the Envoy is the family hauler so I personally think the similar Flowmaster model would have been too loud for family jaunts. Admittedly you can get the SUV Flowmaster that is designed to reduce cabin noise but still gives a deep tone outside the vehicle and end up with the same sound. The downside, four times the price for the Flowmaster over the Thrush. Happy, happy and happy.
Great bargain! February 25, 2010
Richard Degreen
I had this muffler installed on my Dakota, it sounds great and for the price you can't go wrong.
Flowmasters at half the price!! September 6, 2010
Stingerssx
I bought these to quiet my Nova down. I had an "H" pipe with dual 40 series, 3" all cut off at the axle. Now 2 1/2" with tails and still is loud. Not the droning Magnaflow glasspack loud, but real throaty, powerfull sound. I'd even get one of these for my CRX! You can't beat these!! Shipped quick and in perfect condition.
 Mind-numbing drone would be cool - if I was 17 again March 5, 2010
M. Malone (Los Angeles, CA)
1 out of 1 found this review helpful
This is the Dynomax Thrush "Welded" Series Muffler. I purchased this in May of 2009 after weeks of watching YouTube videos, listening to audio clips and trying to determine the best exhaust sound for my car. This is a Dual-Chambered Muffler, which uses a series of metal folds and chambers to create a louder, more racy sound for your engine. Little did I know, this was not a muffler, it was an echo chamber.
I had the Thrush installed at a local custom muffler shop on my V6 Cavalier Z24. I should've known better when the muffler guy was asking me if I was sure I wanted to install this on my car. This muffler produced so much drone, it rendered my stereo useless, even at full volume. In fact, the entire cabin of my vehicle reverberated so loudly at cruising speeds with drone, it was giving me headaches. Maybe if I drove a truck I wouldn't care so much because I couldn't hear how loud it is inside the cabin. On a car, this muffler is just too loud.
Another side-effect: Corvettes would want to race me at stop lights because the car sounded like it was a V8. Now, this would have been really cool if I just turned 17, but it's been a few years since I was 17. It would have also been cool in the "Land of no laws." But the noise this Thrush made was so excessive, I would routinely set off alarms in parking garages by just starting the car. I was nervous I was going to get a police citation for excessive noise (95-110 db). So I stopped driving the car after about 100 miles.
After much bargaining with myself, I finally had a Super Turbo Muffler installed in place of this Dual-Chambered money pit. Even the new one produces drone, though it is somewhat less-deafening.
If someone could create a muffler that sounds cool upon acceleration without any drone, I would buy it in a second. But for now that is my unicorn, a mythical beast that one day, I hope to capture.
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