Can you install a 997tt exhaust on a 996tt? Aftermarket exhaust?

 

No, we are currently developing an exhaust for the 997TT, using our current 996TT exhaust as a foundation. The exhausts are very similar in design, but some changes must be made for proper fit and finish. So based on this I would say "no", they are not interchangeable...

 

hell no. u can just tell from the tips without taking off the bumper.