Review on Crawford Performance B0400 Billet Power by Jeff Sorensen

Faulty item will raise your engine 1-2 inch, many spacers will not fit after installation, poor instructions. Worst Seller MAPPerformance strongly discourages lengthy returns of outbound subtractive shipping. I'm not sure if Mario Rotundo is looking at the seller himself. The increase in performance is true, but many spacers don't fit, it's about raising the engine. The instruction is not very clear, you have to remove or move the wire to have some slack. I'm not sure if this is a good product, some people on the forum ended up selling it. help at low revs but fall off at high revs in exchange for replacement. The average range is the same