Mufflers, Which Flowmaster? Options

[Randal]

II'm getting busted for loud exhaust at Alameda where we have to be quieter.

I currently have a delta force flow master (single chamber) welded on to the extension pipe to my header. This muffler is small (3" high by 7 or 8" case).

Performance wise it works. You can't tell any difference from running an open exhaust; nice but loud.

Here are the alternatives.

If any of you have experience please post your experience.

Flowmaster 40 series - two chambers (4" high - 13" case). Single input, single output

Would you say this produces 95 db or less? Any feeling for power loss as compared to an open pipe.

They also offer a single input, dual output, which looks pretty cool, but (my guess) is probably noisier.

Flowmaster 50 series - three chambers (4" high - 17" case)

Would you say this produces 95 db or less? Any feeling for power loss as compared to an open pipe.

Flowmaster's are pretty nice as you can get 2.25 pipe inputs on any of the above. I think that all of the above will fit without sticking out of the back of the car, one just has to be a bit creative with the installation.

Thanks.

[Randal]

Thanks Demick.

One of these days it'd be fun to try different setup on the same engine to figure out what works (hp wise) and is quietest.

No fun spending $120 for a new 50 series muffler, only to find out that it isn't quiet enough to soothe the management.

Funny, but no one at FlowMaster seemed to have any idea on the various db levels of their mufflers. You'd think they would have a mule to test the various hp and db levels of the different series mufflers.