I hate this problem, even going up a hill the car will go in 6th and just start shaking looking for power. I always feel like the car is just constantly shifting in and out of 6th everywhere i go at any speed.
Performance: Stainless Works LT 1 7/8 Headers - Stainless Works Retro Chambered Catback - CAI Intake - Ported Throttle Body - Dyno Tune - DSS One Piece Aluminum Driveshaft - BMR 1.4" Lowering Springs
Cosmetics: Heritage Grill - LED Dome/License Plate/and Fog Lights - Upgraded to 8000K HID Headlight - Painted Engine Cover - BMR 4 Point Strut Tower Brace - Front Splitter
Audio: Scosche Dash Kit - Kenwood DNX6990HD w/Nav - Prefabbed Ported Box with 1 12" Alpine Type R - Alpine PDX M12 Amp