GrimmSpeed Catted Downpipe Limited Ceramic Coated Black 2008-2014 WRX 2008-2021 STI


NOT CARB LEGAL, No Shipping To California



The idea of upgrading an already-solid product like the GrimmSpeed V1 J-Pipe was a massive challenge, but by allowing our Engineering Team to focus meticulously on the details, we were able to make what we would confidently call the most refined 15-21 WRX J-Pipe on the market. The Version 2 GESI J-Pipe does retain the best qualities of the original: tough 3" 304 stainless steel construction, thick 1/2" flanges and the type of fit and finish that you've come to expect from GrimmSpeed, among all the added benefits we've already covered. This is your first taste of the next generation of GrimmSpeed Exhaust Products with a lot of exciting offerings to come

The inclusion of the GESI Catalytic Converter is one of the major changes for the V2 J-Pipe. While retaining the high-flow characteristics of our former high-flow cat, the GESI is a much more robust unit in its ability to clean particulate matter that is part of the combustion process, while retaining all the benefits which are expected from a GrimmSpeed Product. It also gives us the flexibility to insert it in a much more desirable and better operating location, mimicking OEM placement. This allows you to run this pipe without worrying about those pesky check engine lights due to its high efficiency and location.


- GESI Catalytic Converter - Comes as standard in all V2 J-Pipes
- 304 Stainless Steel Construction - Using the BEST materials in the industry
- Thick 1/2" Flanges - Added durability and longevity
- Cast Steel Collectors - Extremely strong with low restriction for optimized flow
- 2 Piece Design - Makes for much easier solo installation
- Standard 3rd 02 Bung - Allows for optional use of aftermarket sensors
- Grounding Strap Mount - Retains all factory functionality
- Custom Stainless Turbo Studs Included - Replaces cross-thread prone OEM versions
- Gaskets and Hardware Included - Everything you need for an easy install (will require 3"-to-OEM Exhaust Adapter to run on factory catback)
- No check engine light! Tuning recommended for optimum performance

2008-2014 WRX
2008-2014 STI
2015-2021 STI

More Information
Color Black
Manufacturer Grimmspeed
Price 859.00
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