Originally Posted by E90Company
You sure about that?
- The Akra's are 2.75" (compared to the full 2.5" URs; also common knowledge all DPs taper back down to 2.5" anyhow)
- A quality tune will easily overcome the ~5 HP "lost"
If we're gonna waste our time arguing over 5-10 HP, the power/weight is going to have a more significant impact. My car is a street/DD 335, not a racecar/track build
If it was a race build, I've spend the money & have a custom build straight pipe setup instead of buying "off the rack" parts.