MY ACS is dual in an ddual ou. My ACS is made by remus and im really drunkk right now. anywyas so thats a remus thats dual in and dual out. my custom exhaust is oging to be 1 3" piep direct from turbo down all the day to y pipe into my acs/remus mufflers dual inlets.
No I live in The Netherlands so no need to ship
Drove 350km's for it to pick it up... but is one of the best things you can buy for this money with this amount of gain.. 15pk is quite much to gain
But I believe you guys if you say it wouldn't fit properly.. and also that a US M3 pipe wouldn't help out, your M3 exhaust manifolds are the same as 328i (at least the european 328i's) so that wouldn't help one bit...
i posted an FAQ in the performance upgrades forum it has good exhaust thread
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BMW Werkz
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