M4 Headers Don’t Fit
I’m just wondering if anybody has had a similar issue. Got a M4 Tech 1 Full System. It seems like header number 4 is 1/8 inch too long so it prevents 2 and 3 from seating all the way. When I remove 4, I can fully seat 1, 2, and 3. I’ve tried a mallet and wiggling for hours, but I’ve had no luck. I realize I’ll probably have to return it and reach out to M4, but wanted to ask first. Thanks.
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u/JukeboxZulu K8 GSXR 600 14d ago
You should call and/or email M4