Quote:
Originally Posted by CamaroSS1675
I had the Range Device on my 13 SS with no issues. I only have a CAI. I purchased an SCTX4 and downloaded the 93 tune. I no longer needed the Range. A forum member told me even with my cold air intake only my car would be better with a tune from Dyno Steve....all I can say is WOW! Car is unbelievable now. You should check him out. You won't regret it.
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This.
I got my SCT X4 from DynoSteve at RDP. He'll send you free custom tunes for bolt-ons if you purchase this tuner from him. My 11' L99 SS runs so much smoother. At first I was hesitant to turn off the AFM because of fuel efficiency... I'm glad I turned it off. MPG stayed the same, if anything a little better.