Product images and videos are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Exhaust› Exhaust Pipes, Systems and Components
Invidia
Invidia 15+ Subaru WRX Manual Trans Down Pipe w/ High Flow Cat
SKU: I007 HS15SWMDOC
Moderate — 2–4 hours
Overview
Show original supplier description
Part #: HS15SWMDOC
Vehicle Symptoms
- Check engine light on (catalyst efficiency)
- Reduced power and turbo lag
- Exhaust smell or rotten egg odor
- Poor fuel economy
- Sluggish acceleration
Diagnostic Codes
- P0420 – Cat Sys Efficiency Below Threshold (B1)
Relevant Conversations
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- WRX downpipe for tune package
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- Subaru WRX sluggish acceleration fix
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | Invidia |
| Part Number | I007 HS15SWMDOC |
Videos
INSTALLING MY INVIDIA HIGH FLOW CATTED DOWNPIPE ON MY STI!!
Subaru WRX STI Invidia Catted Downpipe + Tomei Expreme Comparison
Invidia J-Pipe install | Guzman's Random Review | 2015+ Subaru WRX
Invidia J Pipe / Downpipe Exhaust Tech Review fits 2015-2016 WRX
2015-2021 Subaru WRX Invidia Exhaust & J Pipe Install
Things I Wish I Knew BEFORE Modifying My Subaru WRX
Invidia J Pipe / Downpipe Exhaust Tech Review fits 2015-2016 WRX
WRX MAPerformance Catted downpipe/ Invidia r400 Exhaust
Invidia Catless Divorced Downpipe Install! (2017 WRX STI Stage 2)
Invidia Down-pipe/Dump/J-pipe with High Flow Cat | The HOLY Whistle
Making My WRX QUIETER?!? - Invidia Q300 + GrimmSpeed Jpipe
Invidia R400 & MAPerformance catted Jpipe | 2018 WRX
2015 Subaru WRX Invidia Catless J Pipe Downpipe DIY Install
15XSTI | Subaru EXHAUST SOUND!! 2015 WRX STI INVIDIA R400 DOWN PIPE TURBO BACK
The BEST 2015+ WRX Exhaust Combo! Tomei CBE/Invidia Catted Downpipe!
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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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