2008 Impala SS with 40 series Flowmasters
LS4 with 40 series Flowmasters, Gibson double wall tips and K&N Cold Air running with Royal Purple 5W30.
2008 LS4 Impala SS | Flowmaster 44s (Broken In)
Update on the Flowmaster 44s as well as my Spectre short ram intake.
'08 Impala SS
K&N Intake | Hogan down-pipe with QTP electric cutout | Superchips Cortex