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Old 12-03-2019, 02:09 AM   #1
mpv314
Scooby Newbie
 
Member#: 431318
Join Date: Oct 2015
Chapter/Region: NESIC
Location: Westchester, NY
Vehicle:
2016 WRX STi Limited
Lapis Pearl Blue

Default X Force VAREX (Valvetronic) Exhaust Cat-Back 2015+ STi & WRX

Hello,

Does anyone now have the 15+ STi (or WRX ) X force cat-back exhaust with VAREX muffler system? This is an electronic valved exhaust system allowing for variable volumes. I have some questions about fitment, wiring, SMARTBOX Bluetooth app usage for variable positions, and sound.

I’m interested in this one from Rallysport Direct (clickable) Part number: ES-SW26-VMK-CBS

However I just learned about their “new louder update”, this model link (clickable) has a slightly differing part number: ES-SW27-VMK-CBS.

No idea on differences and which is better to get.

Any feedback would be appreciated from anyone with experiences on this, or any previous X force Varex exhaust systems. Thanks!

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Old 12-04-2019, 12:10 PM   #2
kingsalami
Scooby Newbie
 
Member#: 206257
Join Date: Mar 2009
Chapter/Region: MWSOC
Location: Yukon, OK
Vehicle:
2009 WRX 5-door
White

Default

I don't have their Varex catback, but I've been really happy with the quality-to-expense ratio of their 'regular' catback for my '09 hatch. Great fitment and construction for the $.

https://forums.nasioc.com/forums/sho....php?t=2800617

The only issue I had was the cheap, smallish muffler packed out and got pretty obnoxious after about 8 months. I had a local muffler shop swap out the muffler for a larger Magnaflow, and I've been happy with the mellower exhaust tone.
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