Quote:
Originally Posted by ADVANT123
The 1M has the same intercooler as the 135/335/335is. Berk Technologies said they gained 10HP on the dyno by changing out the stock 1M midpipes to their aftermarket option. I think I'm going to do a Helix IC and Berk Mid-Pipes on my 1M(along with an Accessport)..
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That's what I plan to do first too. Already got the Mids, just waiting on the other pieces to find there way to me
After that I'll do the DPs and last will be the catback. Talking to one of the Cobb guys up here it sounds like they may be working on their own designed DPs. I'll wait for those to come out before deciding who to go with. If there really is a big restriction at the back end then maybe the plan will change.