I had the now defunct SMA 3" system and did not notice any low end power loss. The theing pulled really good in the high rpms though

I dont think it is too big. It may not be optimal, but if you have all the bends already, I say go for it.

Simon new- '04 Dodge Dakota 4x4. V8, 5spd FOR SALE Black 98 SVT EO (#2119 of 6535)- SOLD! New project-'88 Ranger 302 swap.