Invidia 08+ Subaru WRX/ 05-09 STI / 02 Legacy High Flow Cat Extra 02 Bung

Invidia 08+ Subaru WRX/ 05-09 STI / 02 Legacy High Flow Cat Extra 02 Bung

Marsoni

M251S

$439.98

Get it in 3 business days with 1 day shipping. Friday, May 29

Invidia 08+ Subaru WRX/ 05-09 STI / 02 Legacy High Flow Cat Extra 02 BungSKU: HS08SW1DOC Invidia 08+ Subaru WRX 05 09 STI 02 Legacy High Flow Cat Extra O2 Bung The Invidia HS08SW1DOC high flow catalytic converter downpipe fits 2008+ Subaru WRX, 2005 2009 STI, and 2002 Legacy models with precise compatibility up to 2014 variants. This direct bolt on upgrade uses a metallic substrate cat to reduce backpressure for sharper throttle response and added horsepower across the RPM range. Crafted from 3 inch T304 stainless steel

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I won’t actually use these for a few days when my mattress arrives. Unboxed this morning and they are not as plump and full as I expected but they’re laying out to expand. Overall first impression is they felt comfortable and I could adjust them with my hands. They seem well made and durable. Cant say anything yet about firmness or shape retention since I’ve not used them. They feel like they will be soft. So time will tell but so far I’m loving what I see.

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Reviewed in the United States on April 28, 2026