Re: Lost horsepower. Need help!
To see advantages from the intake/plenum/throttle body you really need a tune. I'm pretty sure your computer doesn't know what to do with the added air which is causing alot of issues.
"I'm not driving too fast...just flying too low"
-03 SB Cobra vert- 2552 of 5082 Born 02/25/03
90 7up vert - new project-07 DSG Focus -DD