The Next GNX Buick Could Build

A Buick GNX is coming, but it's not coming from Buick. Performance company SLP plans to build their own GNX, pictured above, with output above 300 horsepower and a more aggressive look. Unless they make one key improvement I don't think this is the GNX Buick should build. » 2/29/12 1:30pm 2/29/12 1:30pm

SLP Performance Pontiac G8 Firehawk Reveals Flaming Birds Will Never Die

SLP Performance is resurrecting a moniker from Pontiac's recent past, planning to introduce the Pontiac G8 » 9/24/08 10:40am 9/24/08 10:40am Firehawk. Though details are thin at the moment, the newly foor-doored Firehawk will come with your choice of tuned V6 or V8 and best of all, a supercharged model. The exterior will be tarted up as well with new…