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PY Online Forums - Bringing the Pontiac Hobby Together > General Classic PONTIAC TECH > Pontiac - Boost > My sleeper T/A at car show
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Old 03-29-2018, 05:04 PM
73 TRANSAM 73 TRANSAM is offline
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On my setup, I have a 5" downpipe about 2 feet then neck down to 4". Then I'm going to do a two 3" pipe to the muffler. This is with a PT91.5 G trim single.

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Old 03-31-2018, 05:17 PM
er455 er455 is offline
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Originally Posted by 73 TRANSAM View Post
On my setup, I have a 5" downpipe about 2 feet then neck down to 4". Then I'm going to do a two 3" pipe to the muffler. This is with a PT91.5 G trim single.
How does it sound? Any pics ?

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