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"&amp;quot;If only...&amp;quot;   These two words are often uttered privately when we allow our consciousness to fantasize about what life could be like in an ideal world.         For aftermarket tuners, &amp;quot;if only&amp;quot; is their stock in trade. So, we rounded up four examples of the breed, each representing a different price category and each an interpretation of its creator&amp;#039;s ideal car. The D3 Cadillac CTS-V is the value leader of the group, offering excellent performance and driveability at a price considerably south of the $100,000 mark. The GReddy G43 GT-R is all about high performance, happily sacrificing everyday practicality for the sake of pure unbridled speed. The GMG Audi R8 Le Mans TT represents the most well-rounded example of the group, with a flawless combination of performance, civility and head-turning good looks. And then there&amp;#039;s the stunning CEC Mercedes-Benz SLS, a car that&amp;#039;s more about impressing the in-crowd at a Beverly Hills restaurant than racing on a track. The cars are presented here according to asking price, from low to high. You&amp;#039;ll notice that with the exception of the decals on the GReddy GT-R, visual modifications to the cars were kept to a minimum, with the focus instead placed on perform\u00ADance\u2014keeping the classy aura of the cars intact. After your virtual stint behind the wheel of these four automobiles, we&amp;#039;re hoping that at least one of them will have you whispering to yourself, &amp;quot;If only...&amp;quot;          "^^<http://www.w3.org/2001/XMLSchema#string>
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