Hey everybody I was looking to make my mustang a little louder. I just envy that roar that everyone else has. Its an 04 gt and I was looking at just getting a set of summit glasspacks and clamping them in. What would I need? I do live in cali but I would be willing to switch them out for smog but that means no x pipes or catbacks though.
Replacing Mufflers? Louder!
- Thread starter FlMuPhi198
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johnnyt03gt
5 Year Member
it's all up to you,
if it were my car. and i only wanted mufflers only. i'd get a set of SLP load mouth 1 mufflers.
OR flowmaster 40's
if it were my car. and i only wanted mufflers only. i'd get a set of SLP load mouth 1 mufflers.
OR flowmaster 40's
slayerripkdc
15 Year Member
Flowmaster original 40's welded in will give you a nicer tone and make it a tad louder. You can check my sound clip below. I have my X pipe combo, and a sound clip of just after installing the Flows.
RedDaemon
10 Year Member
midnightdriver
Active Member
In California, the only problem you will have with exhaust systems with regards to smog are:
A. You must have 4 Cats that have Cal State Tag Numbers on them
B. No long tubes, don't ask why because its a dumb reason but that's the rule
You can run any cat back you like, I have had 4 different cars with custom cat-backs and never had a problem. Store bought will be the same.
You can get a custom made X-pipe if you like, although it will not be cheap.
slayerripkdc
15 Year Member
Ny is strict as well!!! At least I can go take a trip to Da Bronx and they will pass anything if you throw them 40 bucks 
!!!
!!!
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