David,
I have read that sudden changes in diameter, even from small to big, are
not a good idea in the exhaust pipe. It upsets the shockwaves :-) or
something like that. But since you are doing this all the way at the
end of the pipe, you should be fine.
Another thing you can do: I've installed a brand new Sprite muffler on
a Spitfire 1500. It sounded awesome. The big block 1500 exhausting
through the small bore muffler sounded like a trumpet solo. I loved
driving my Sprite behind his Spitfire. Both cars had the same muffler
but sounded very different. The Spit was borderline loud though.
Ulix
Lancer7676@aol.com wrote:
>
> I just ordered a Thrush Muffler from Summit Racing Equipment for $16.95
> (actually it was just over $25 with S&H) to replace the small resonator and
> the cross muffler on the back of my '79 Midget. The Thrush is 17" long with
> 1 3/4" inlet and outlet. I am going to use a 1 1/2" to 1 3/4" reducer in
> front of the muffler, welded to the muffler, and a straight piece of 1/3/4"
> tailpipe out of the muffler . This will eliminate the ugly cross muffler
> that sits behind and below the gas tank.
>
> Any thoughts, ideas, or been there, done thats? Thanks guys.
>
> Expecting it to sound mighty good too. 8^)
>
> --David C.
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