Quote:
Originally Posted by needexhaust
I have the 135 m performance exhaust on my 128i, sounds great and no issues at all installing it. First I had it clamped but then got it welded on so everything is 100% sealed.
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That's good to know. I think the 135i PE will be available longer because they didn't sell out as quickly. There are many options for the 135i other than the PE. With the 128i, our options are limited and none sound as good to me as the PE.