STI

STI Performance Muffler

5.0 from 2 reviews
The STI Performance Muffler has been designed to lower exhaust back pressure and increase vehicle performance with improved exhaust layout. 

The STI Performance Muffler has been designed to lower exhaust back pressure and increase vehicle performance with improved exhaust layout. 

Features

  • Designed for greater flow, reducing exhaust back pressure
  • Aggressive but pleasant sound suitable for street driving
  • Can be installed with genuine Subaru rear diffuser
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Vehicle Tail Size   Price Order
ST44300AS010
BRZ - ZC6
A-D before 7/2016
2x 120 mm
USD $ 1,258.31
199,386 JPY
ST44300AS020
BRZ - ZC6
E+ after 7/2016
2x 120 mm
USD $ 1,258.31
199,386 JPY
902330011
Subaru - Self Lock Nut
Optional
Subaru - BRZ - ZC6 - Jan-2011 - Dec-2016 - R - 2-door coupe - 2W - 6-speed automatic transmission - Right hand - FA20 Subaru - Impreza Sports - GT2 - Jan-2016 - 16ILEYE - Wagon - 2W - Torque converter type double-header transmission - Right hand - 16A Subaru - Impreza Sports - GT7 - Jan-2016 - 20ISEYE - Wagon - 4W - Torque converter type double-header transmission - Right hand - FB20D Subaru - Legacy Outback - BS9 - Jan-2014 - OBKL - Wagon (outback) - 4W - Torque converter - Right hand - FB25 Subaru - WRX S4 - VAG - Jan-2014 - GTL - Sedan - 4W - Torque converter - Right hand - FA20 Subaru - WRX STI - VAB - Jan-2014 - Dec-2017 - STIS - Sedan - 4W - 6-speed manual transmission - Right hand - EJ20Y Subaru - WRX STI - VAB - Jan-2014 - STI - Sedan - 4W - 6-speed manual transmission - Right hand - EJ207 Subaru - WRX STI - VAB - Jan-2014 - STI - Sedan - 4W - 6-speed manual transmission - Right hand - EJ20Y Subaru - WRX STI - VAB - Jan-2017 - S208 - Sedan - 4W - 6-speed manual transmission - Right hand - EJ207 Subaru - WRX STI - VAB - Jan-2017 - STISL - Sedan - 4W - 6-speed manual transmission - Right hand - EJ20Y
USD $ 1.95
309 JPY
44011CA000
Subaru - Gasket
Optional
Subaru - BRZ - ZC6 - Jan-2011 - Dec-2016 - R - 2-door coupe - 2W - 6-Soku Manual Transmission - Right hand - FA20 Subaru - BRZ - ZC6 - Jan-2011 - Dec-2016 - R - 2-door coupe - 2W - 6-speed automatic transmission - Right hand - FA20
USD $ 3.27
518 JPY
Vehicle Part Tail Size Tail Type   Price Order
STPKG40G2010
Impreza - GU6
Performance Muffler & Garnish Kit
2x 70 mm
Dual Center
USD $ 1,107.95
175,560 JPY
Vehicle Part Tail Size Tail Type   Price Order
STPKG40G2010
Impreza - GU7
Performance Muffler & Garnish Kit
2x 70 mm
Dual Center
USD $ 1,107.95
175,560 JPY
Tail Size   Price Order
ST44300VV030
4x 95 mm
DISCONTINUED
This part is no longer available

About STI

STI

STI, Subaru Tecnica International, was founded on April 2, 1988 by Subaru (then Fuji Heavy Industries) to bring Subaru's motorsport work under one company, and is based in Mitaka, Tokyo. Its first public outing was a world speed endurance record run in the Legacy in 1989.

STI prepared Subaru's cars for the World Rally Championship with Prodrive, which made the Impreza WRX STI famous, and it races at the Nurburgring 24 Hours and in Super GT. Its road parts, developed alongside Subaru's own cars, include suspension, brakes, exhausts, chassis bracing, aero and interior parts for the WRX, Impreza, BRZ, Levorg, Forester and more.

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