Invidia HS02SW1G3S Q300 Exhaust

Invidia Q300 Exhaust (HS02SW1G3S) for a 2002-2007 Subaru Impreza WRX / STi. WRX / STi - Piping Dia.:76mm / Tip Dia.:101mm.

Invidia Q300 Exhaust HS02SW1G3S  image 1
General product image. Actual product may vary from image(s).

Category: Exhaust Systems
Product Review: 5 Star Rating

Invidia Q300 Exhaust
Part #:
* Paid Link. Pricing last checked at Ebay on 06/11/2021
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Invidia Q300 Stainless Steel Cat-Back Exhaust System for 06-07 WRX / WRX STI Invidia Q300 Stainless Steel Cat-Back Exhaust System for 06-07 WRX / WRX STI
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Fitment Information:


WRX / STi - Piping Dia.:76mm / Tip Dia.:101mm

2002 - 2007SubaruImprezaWRX / STi See Notes Above

See partnumber notes and applications notes above for specific product information.

The Invidia Q300 exhaust is made of mandrel bent SUS304 polished stainless steel piping with CNC machine made flanges which is then robot TIG welded to give a great appearance and provide outstanding durability. The bottom of the muffler is flat which is designed to help improve high speed aerodynamics. Inside the muffler contains continous piping and Advantex material resulting in a free-flow exhaust with optimized back pressure which gives horsepower and torque gains as well as a rich deep sporty sound. The tips come in either double wall polished stainless steel or titanium depending on the application. 

California Residents:
WARNING: Cancer & Reproductive Harm
5 Star Rating Q300 on 2016 Forester XT by john
Installation was rather easy, but the Y junction of the exhaust touches the rear anti roll bar. Sound wise, it is lovely at cold start, and it is not too loud at idling and during driving. A little bit of drone is present but really manageable. Overall, I am loving it!

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