Great recommendations above as always We have the Megan Racing O2 housings in stock, and we have several exhaust manifold cores so we can get started on your porting project as soon as you would like. We also have the Kelford 272's in stock and the GSC S1's are just a few days away, as always we guarantee the best pricing I look forward to hearing from you!
__________________ Chris Carey, President
Modern Automotive Performance
P: 763-545-3800
E: chris@maperformance.com
We want your business! Please contact me directly for a quote or stop by the facility for a quick tour!
We have the Megan Racing O2 housings in stock, and we have several exhaust manifold cores so we can get started on your porting project as soon as you would like. We also have the Kelford 272's in stock and the GSC S1's are just a few days away, as always we guarantee the best pricing 
I look forward to hearing from you!
Threaded Mode