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Customer testimonials
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I just came off a 2500 mile tour of the Southwest. The car always drew a crowd, pulled hard regardless of altitude or temperature, and provided many 'fast' car owners with a nice view of the rear of the car and the sound of your marvelous exhaust system. It definitely thunders when you call up all the horses in the barn.
Z06 'Vette owners universally had a terrible time dealing with the reality of being blown off by a very quick, very fast MB being driven by a grandfather - yuk yuk.
Thanks for the good work! Best regards,
Archie
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As you may remember, I have a '92 E500 with the 6.0 conversion. The reliability of that car, and the fact that after 4 years no Renntech part has given me any difficulty, have led me back to your door.
I just ordered and install the ECM upgrade and pulley kit on my new SLK32. The whole process worked well, from the quick turn around to very good instructions with pictures that showed how to install it. The preformance improvment is very good with no noticable downsides except perhaps rapid rear tire wear ... but that can be addressed with a driver upgrade!
Anyway, I would be happy to speak to anyone about this upgrade and am pleased to install this or other upgrades in my shop.
Thanks again and the 1/4 mile improvment was from 13.01@107 to 12.72@109, despite a 30 degree higher temp.
Jake
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Thought you all might be interested, gentlemen, I am ecstatic over the quality of the work you performed on my E55 high boost supercharger upgrade. The performance
thus far has exceeded my expectations greatly ...
RENNtech went above and beyond their job scope to resolve a problem I had with some aftermarket wheels and tires. The 19" wheel offsets were incorrect and Mr. Hartmut Feyhl identified and resolved the problem without having to modify the wheel wells, fender flares, or ride height. My E55 is wearing the same 245/35 ZR19 Bridgestone tires up front and 285/30 ZR19 Bridgestone tires on the rear. When initially installed, the rear tires would occasionally rub the fender on rough roads, but not anymore. I recently drove around a local road race course with three passengers and never heard a tire rub, although the tires did complain rather loudly!
Amazingly, anyone familiar with the car before the RENNtech upgrade will agree that it does not sound any louder and you cannot tell it is supercharged. What a sleeper! Thanks again to Mr. Hartmut Feyhl, Bob Brady and all the crew at RENNtech for the service and quality they provide to Mercedes Benz owners and enthusiasts.
To any doubters, I say "See me at No Problem Raceway in Belle Rose, La."
Sincerely,
James F. Cannon
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Gentlemen, thanks for getting me in and taken care of so quick. The car really gives a nice push in the back now. It's startling the way this car builds up speed and awfully deceptive.
Thanks again,
Jason Nunemaker
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