True Duals Muffler!?! - Page 3 - Chevelle Tech
Engine General Engine Discussion.

View Poll Results: Which Muffler??
Borla XR-1 Race Muffler Round/Oval 8 9.52%
Dynomax Ultra Flo Round/Oval 16 19.05%
Sweet Thunder Chambered Tube 1 1.19%
Dynomax Race Bullets 1 1.19%
Flowmaster 40/44s 28 33.33%
Spintech Pro Street 8 9.52%
Others(If this is your choice please post the muffler) 22 26.19%
Voters: 84. You may not vote on this poll

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post #31 of 36 (permalink) Old Apr 20th, 16, 5:09 PM
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Re: True Duals Muffler!?!

I vote for the Walker super turbos (or any turbo style as Tom recommends). You can visit with your passenger or listen to the radio while cruising, but they sound great when you really get on it.
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post #32 of 36 (permalink) Old Apr 20th, 16, 8:04 PM
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Re: True Duals Muffler!?!

WOW this is an old thread.

Ok as for mufflers. For years I was a Flowmaster 40 series guy. Yes they droned but they also sounded badass. Ha ha.

However after a period of time it seemed like every single car at a cruise night sounded the same. One night I heard a 5.0 Mustang pull into a cruise night with a new and unique sound. I asked him what mufflers he was running and he told me Spintech. I figured if they sounded that good on a 5.0 Mustang, how good would they sound behind a big block Chevy.

I had a brand new 2-1/2" mandrel bent system with Spintech mufflers installed on my previous car a big block 73 Camaro and it sounded killer. I'm currently running a Pypes 2-1/2" system with Pypes mufflers on my Chevelle and as soon as I can, I'm having the Pypes mufflers swapped out for Spintech's.

My car is a weekend cruiser that sees about 500-1000 miles per year. I don't care about flow numbers, what I care about is how badass my car sounds and that's why I chose Spintech.


67 Chevelle SS 138 VIN
468 BB, AFR 265CC aluminum heads, Straub custom hydraulic roller cam, Performer RPM intake, Holley 950 carb, Legend LGT700 5 speed, 12 bolt rear with 3:73 gears, UMI suspension, 4 wheel disc brakes
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post #33 of 36 (permalink) Old Apr 20th, 16, 11:00 PM
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Re: True Duals Muffler!?!

Hooker Max Flow
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post #34 of 36 (permalink) Old Apr 21st, 16, 1:34 PM
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Re: True Duals Muffler!?!

I'm running 3 inch pipe with xpipe
Flowmaster super 10s with a large cam 468bbc don't think anything can beat the sound

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post #35 of 36 (permalink) Old Oct 6th, 19, 11:14 PM
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Re: True Duals Muffler!?!

Does anybody make mufflers like these? I have them in 3" ins & outs on the Monte and everybody loves how they sound.
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post #36 of 36 (permalink) Old Oct 7th, 19, 7:06 AM
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Re: True Duals Muffler!?!

I always end up back with the Dynomax #17749... Those Edelbrock RPM Series mufflers look interesting..
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