Very impressive design. It's nit picking, but I'm not a huge fan of the way the manifold looks from the exterior. Not sure how to improve it, but it has a very unfinished/after-thought look to it.
E92 M3: BPM Stg. 2 | MRF Velaforza w/ Akrapovic Slip | Brembo GT | KW Clubsport | BBS E88