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952 Posts
Discussion Starter · #1 ·
Hi all,

I'm thinking of getting the HKS Downpipe from RHD for my upcoming -5 setup.

However the outlet diameter is 3.5inches. I cannot find any 3.5 inch decat pipes and I dont really want to put a 3inch decat as the exhaust gases will hit a small wall of restriction when they come to the flange I guess.

Does anyone if I can get a 3.5inch decat pipe without having to fabricate one myself?

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