Description
GFB Respons T9007 uses an adjustable venting balance between the recirculation and atmospheric outlets, allowing the sound level to be changed.
GFB lists Subaru WRX MY14-21 with FA20 engine. The manufacturer model-year notation is retained here; model-year conventions vary by market.
Confirm the exact engine, chassis and original valve arrangement against the official installation instructions before purchase. This listing does not establish fitment for WRX STI or other engine versions. Check applicable emissions requirements before ordering.


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