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Stock GT vs GTP exhaust

Storm

New member
Does anyone know ALL the differences between the stock GT and GTP exhaust on the 04+ Grand Prixs? Do they have the same muffler, cat, exhaust manifolds?
 


Just to add...you can PM a guy on here named Abrasive...he has silver powdercoated L32 rails for sale...
 
Thanks for the help, unfortunately I am not able to find the L32 injectors so I might just get both injectors and rail from morad.
 
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