3" is for FI cars. 2.5" is probably more than your 2.5L can even exhaust (excuse the pun).
Get the 2.5"...sounds great!
T-red E0 SVT
ATS 17x7.5 Comp Lites, 215/45/17 Falken 512s, Ausi Bar, Boxed subframe, Poli all around, Warmonger's Opt Y, Opt TB, AFE, DMD, NGK's, Bendix Ti, Alpine, Polk, Mobil-1 0W-40, Redline MTL.
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