I have a chance to get a set of hedman shorty smog headers, CATCO hi-flow cat and dynomoax catback the rest of the way. Would this be a good setup to use??The 305 is stock and i am not planning any engine mods.

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1991 WS6 Trans Am
Dark Green Metallic
Camel interior
305 TPI
T-Tops, PW, PL, PM
Keyless entry, alarm
Flowmaster Muffler
Monza Dual Tips
K&N Filter

 

dynomax sucks flows are the only muffler!!haha! yeah that sounds like a good deal, just keep your flow already on it! and re-use it!

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1989 firebird formula

Mods: converted from T.B.I. to a carburator 305 to a 350. Flowmater exhaust,hedman shortie hedders,202 160 (882) heads,.447/.447 lift 222@.050 duration speed pro 327/350hp cam 350 .40 over (356) Edlebrock torker2 and a 600 edlebrock manual choke (1405)

Future mods performer rpm air gap intake (polished) comp roller cam, and way better headsa 400 defintely in the works!

 

So i should get the new setup and keep my flowmaster muffler..... sounds good.will it be the same diameter though?????


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1991 WS6 Trans Am
Dark Green Metallic
Camel interior
305 TPI
T-Tops, PW, PL, PM
Keyless entry, alarm
Flowmaster Muffler
Monza Dual Tips
K&N Filter