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karletto66 says: I take these kats for my new 2009 350Za few months ago and recently put-in-place. -Excellent product, very well built and well finished. Moun-ted without problems by the official Nissan dealer where i ..
5 of 5 Stars!

Steve says: I just got this header up-pipe combo installed yesterday, The part itself was in good shape, however it did not fit properly, there was a leak when i got it put on, the installer had to put on two gas ..
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Korey Swanson says: For the price i think the is the best product on the market. Its quite cheap and adds a KILLER sound! Deff a solid buy for me. A+ ..
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Geoff Meeker says: Great Product! we are a high line New car Dealer that specializes in performance tuning. This was our first experance with Agency Power products and we are well impressed not only with the quality of ..
5 of 5 Stars!

Victor Aguilera says: Ordered a single KYB AGX strut from Vivid. They had the best price I could find on it so I thought I'd give them a try. There was a minor problem with my paypal account but Vivid was quick to email me ..
5 of 5 Stars!


RennTech ECU Upgrade Mercedes-Benz CL550 07-11
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  Product Information
Price: $1,490.00   Sale: $1,445.30
  Model: ECU:54.216.CL550
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With custom software that is at the cutting edge of tuning technology, RENNtech has inspired some of the most advanced software upgrades on the market today. RENNtech customers experience improved throttle response, more aggressive transmission shift patterns, increased speeds, and (of course) more power. Designed to optimize every aspect of a vehicles performance, increasing low-end torque for better off-the-line performance and enhancing fuel economy in some applications.

Features:
  • 20 HP gain
  • 14 LB-FT gain
  • Gains across entire power band
Fitment:
  • Mercedes-Benz, CL550, C216, 2007-2011
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About Manufacturer: RennTech
RENNTECHs philosophy has always been to produce products without compromise, and that dedication continues to this day. True to Mercedes-Benz quality, RENNTECH cars are designed to be fast yet refined. Regardless of specification, they run faultlessly, idle smoothly, and have reliability and ease of maintenance comparable to the stock Mercedes-Benz. This attention to detail has made RENNTECH the choice of some of the most discriminating enthusiasts in the world.


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