Originally Posted by davidwanj

I was finally able to do it like 4 days later after I started this thread, like everyone said, I guess my car just wasn't warm enough yet at the time

but if I really want to increase to 100 oct, I'll just get those bottle from advances auto part, they sell those booster all over the place and are featured in nopi and stuff....I assume they work, may also kill your engine I guess

Originally Posted by chancejat

i dont think you can if you have a cat of any kind..........but stock exhaust and racepipe yes....