Quote:
Originally Posted by NightSkyCode
Made a difference for me, I also have the GM CAI. The cold start growl last longer and the engine is louder at constant freeway RPMs. If you dont drive freeway you wont notice much besides the cold start. Worth it for me.
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My car sounded identical on the freeway in track mode, and track mode with fuse pulled. Zero difference at all. Same with cold start.