Comments on: Hennessey tunes Cadillac CTS-V with huge power http://www.modernracer.com/news/hennessey-tunes-cadillac-cts-v-v600-v800-tuning-modified/493/ Fri, 19 Mar 2010 21:41:47 +0000 http://wordpress.org/?v=2.9.2 hourly 1 By: steve(from Pa) http://www.modernracer.com/news/hennessey-tunes-cadillac-cts-v-v600-v800-tuning-modified/493/comment-page-1/#comment-566 steve(from Pa) Sat, 10 Oct 2009 02:34:21 +0000 http://www.modernracer.com/news/?p=493#comment-566 Dear James, how much will ECU and Cold air add to my 2009 CTS-v? already have cold air intake from you guys! how much is ECU, and how do i do it to prevent Dealer to reflash, or void warranty?? tel: 484 883 8728 Dear James,

how much will ECU and Cold air add to my 2009 CTS-v?
already have cold air intake from you guys!
how much is ECU, and how do i do it to prevent Dealer to reflash, or void warranty??

tel: 484 883 8728

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