[TA-71]

The previous owner installed dual exhaust with 2 mufflers slung way too low, they bottom out all the time. The other issue is the drone at almost any speed is horrendous!

I am looking to go back to the factory style cross flow muffler that has decent flow, no drone and still sound good.

What does everyone recommend?

[1lms]

waldron

[TA-71]

Originally Posted by 1lms

waldron

I pulled this from Waldron's website

All mufflers are built to the OEM specs. Our Mild Impostor's and Impostors allow you to keep your vehicle stock while changing your exhaust notes. Our Mild Impostor is a middle of the road turbo muffler, designed to give your exhaust a deeper, throatier tone. Our Impostor is a high performance, aggressive turbo muffler.

Any drone with the Mild Imposter or Imposter?

[74Grandville]

I like the sound of the flow master system. One change I made though was not install the h-pipe section as it didn’t line up with my headers.

https://www.holley.com/products/exha...er/parts/17104


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[1965gp]

I have the Pypes system and it is awful. The x pipe doesn’t help. I have flowmasters on my other cars and will be going back

[MidnightAuto]

Dynomax ultraflow

[tom s]

I have Dyno max on my 69 bird and the drone at 2000 makes me CRAZY!FWIW,Tom

[tcom]

I have the Ames system on my 72 TA. Nice deep tone . Fit well with some minor cuts.

[RicksGTO]

here are a bunch of the Rotella's videos of the Imposter transverse muffler. I spoke to Waldron about it a few weeks ago and they will make it in 2.25" or 2.50" if requested.
http://forums.maxperformanceinc.com/...d.php?t=615154

[1968firebird455]

I agree the Pypes system sounds like crap. Other people seem to like the sound at idle and WOT but it drones at constant speed is killing it for me. I think the transverse flowmaster on my 1970 sounds 100 times better.

[The Champ]

A good muffler installer can put a pair of dynaflo super turbos under your Firebird and not have them drag the ground.

That's what we put under my wife's '72 Camaro back in 2001 and they are still in place and have never droned.

The car is lowered, and if I ain't dragging mufflers with a 2" drop, you shouldn't have any problem either.

Attached photos show that nothing is setting real low.

[JUDGE3]

Agree with above a good installer means no issues.

I had duals installed on my then new 1980 T/A back in the day and no issues, plenty of clearance. didn't the 1979 T/A have 2 mufflers as original?

I actually had the exact same installer do my current one pictured that did my 1980 way back when.

2 1/2" , h crossover, dynomax ultra flows all the way back to dual open pypes tips. love it to!

[jerry455]

When I had a 1978 W72 back in 1982, it had the factory exhaust, which had the 2 resonators underneath it. When I had a 1980 Camaro Z28, in late 1980, it had a very similar exhaust on it.

[JUDGE3]

Originally Posted by jerry455

When I had a 1978 W72 back in 1982, it had the factory exhaust, which had the 2 resonators underneath it. When I had a 1980 Camaro Z28, in late 1980, it had a very similar exhaust on it.

I had forgotten about the big bulky catalytic convertor underneath the pass side front floor to. man that thing made the floor hot! I trashed it back then of course.