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Discussion Starter · #1 ·
If I swap out my Invidia exhaust to Tomei do I have to re-tune the car? I hope a re-tune isn’t necessary.

Current setup:
IAG street AOS
Killer B oil pan, pickup and baffle
SPT short ram intake
Grimmspeed catted downpipe
Invidia n1 cat back
Grimmspeed boost control solenoid
Grimmspeed light weight crank pulley
Codd access port V3
 
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