What size inlet/outlet do I need?

menasci said:

2.25.
The part number for the Super40's are: 952448

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menasci said:

They are definatly louder than stock thats for sure!
Magnaflows are probably louder but are a bit obnoxious at times.
The original 40's are VERY popular and for the price you can't beat 'em,
so dont feel like you f-d up.

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