Austrailia's Walksinshaw Performance continues to tease use with super Holden Commodores, this time debuting the 617-hp ultimate Series II Supercar. She's a brick house. She's letting it all hang out. [...]

Two common Mercedes C63 AMG complaints are: The lack of grip and understated appearance. The RENNtech C74 "Konzept" fixes both problems with a wide-as-Jennifer Lopez rear track and a widebody aero kit that makes the U.S.S. Enterprise look inconspicuous. [...]

The AMS GT-R Alpha 9 already broke the 10-second barrier, and now the 900 AWHP Alpha 10 just hit a remarkable 9.33 at 153 mph in the quarter-mile for a new R35 GT-R record. Does this count as gauge porn? [...]

For the gentleman drag racer: the 600 HP, 8.4-liter V10 from the Dodge Viper has been shoehorned into the surprisingly capacious engine bay of the 2011 Dodge Challenger Drag Pak. A snip at $85,512. [...]

If you were interested in proof the Switzer R1K Nissan GT-R lives up to its 1000 hp claim, here it is exceeding it, returning 1005 hp and 811 lb-ft of torque. Monumental dyno chart below. [...]

 

 

The Aston Martin DB9 has already received a major update for the 2011 model year, but one lucky tuner in Miami, Fl got the chance to make the supercar even better with a tuning package of their own. RSC Tuning have already started working on the exterior modifications for their super project, with engine mods to follow in the near future.

Changing it up a little for the Aston Martin DB9 is new RSC clear rear tail lights, a new RSC sports exhaust, RSC performance air filters, COR wheels, RSC lowering springs, RSC custom floor mats, and Vantage Collection rear diffuser. Future updates will make the kit much better as RSC Tuning is planning on performing an ECU update and using RSC 100 Cell secondary sports catalysts.[...]

 

 

Fiat’s decision to return to the US after a long and hard absence was set in motion with the 2012 500 and, just as expected, the mini car has already begun to attract the attention of tuning firms ready to pump it up. One such tuner is the famous Mopar, whose new tuning package will be on display at the Detroit Auto Show in just a few days time.[...]

The Mercedes CLK has already been replaced by the E-Class Coupe, but surprisingly, it is still catching the attention of plenty of tuners. One such tuner is Renntech who have announced a new carbon aero package for the CLK 63 Black Series. The package includes a full carbon fiber front splitter, rear diffuser, DTM rear wing, carbon air box with vacuum chamber, and front carbon brake air ducts. The price for the entire package is $15,290. [...]

Chrysler's aftermarket parts provider Mopar bringing several tuned models to the Detroit auto show next week.[...]

U.S. tuner offering a new aerodynamic kit that includes front splitter, rear diffuser and a DTM rear wing.[...]