aFe Race Header (Downpipe) Catless 12-15 Civic Si


Twisted Steel Pipe by aFe®. aFe Power’s introduces Elite Twisted Steel down-pipes. The down-pipes are 100% TIG-welded and constructed of mandrel-bent, 2.75" into 2.5", 304 stainless steel tubing with thick flanges to ensure a leak-free seal. This high performance race pipe delivers pure, race-inspired raw power and also produces an aggressive and exciting exhaust sound during hard throttle.

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