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Grimmspeed TMIC Y-Pipe Kit Red - Subaru Models (inc. 2002-2007 WRX / 2004+ STI)
Grimmspeed TMIC Y-Pipe Kit Red - Subaru Models (inc. 2002-2007 WRX / 2004+ STI)
Grimmspeed TMIC Y-Pipe Kit Red - Subaru Models (inc. 2002-2007 WRX / 2004+ STI)
Grimmspeed TMIC Y-Pipe Kit Red - Subaru Models (inc. 2002-2007 WRX / 2004+ STI)
Grimmspeed TMIC Y-Pipe Kit Red - Subaru Models (inc. 2002-2007 WRX / 2004+ STI)
Grimmspeed TMIC Y-Pipe Kit Red - Subaru Models (inc. 2002-2007 WRX / 2004+ STI)
Grimmspeed TMIC Y-Pipe Kit Red - Subaru Models (inc. 2002-2007 WRX / 2004+ STI)
Grimmspeed TMIC Y-Pipe Kit Red - Subaru Models (inc. 2002-2007 WRX / 2004+ STI)

Grimmspeed TMIC Y-Pipe Kit Red

Subaru Models (inc. 2002-2007 WRX / 2004+ STI)

Read 4 Reviews | 4 Q&As
Part # 090095
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7 hrs 20 mins

Features & Product Details

The Grimmspeed Top Mount Intercooler Red Y-Pipe Kit has been designed to work with factory or aftermarket top mount intercoolers. This is a single piece developed from aluminum casting that has been machined after the casting process to ensure for flat flanges, and a precision fitment. This Y-pipe perfectly distributes and balances the airflow to evenly distribute charged air across the inlet, as well as the tank on the TMIC. 5-ply silicone couplers are included to prevent expansion under high boost settings, but still, offer flexibility which absorbs the vibrations caused by the engine. The 90-degree coupler included in the kit will come a little oversized to accommodate those with aftermarket turbocharger setups in the stock location, however, it can be trimmed to fit your application. 

Additionally, worm clamps, as well as zinc plated hardware will be included to make this Y-pipe ready for the installation. 

Note: Fitment is for STI or Grimspeed TMIC only. The elbow coupler is sized to fit multiple turbo setups, some trimming may be required.


Brand: GrimmSpeed
Color: Red
Includes New Clamps: Yes
Material: Aluminum/Reinforced Silicone
Number of Hoses: 2
Mfgr. Warranty: Lifetime
Condition: New Product
Return Policy:

RallySport Guarantee - 30 Days

Items that are covered under the RallySport Guarantee offer a 30 day no questions asked return policy.

RallySport Guarantee items may be returned within 30 days of the original invoice date and must include all the original parts and contents for a refund.

The RallySport Guarantee does not apply to products that have been modified, damaged, misused or abused. All returns require an RMA (Return Merchandise Authorization) Number, and freight charges are strictly non-refundable. For more information regarding our freight refund policy, please refer to our return policy page found HERE.
RallySport Guarantee



4 Reviews
4 out of 5 Stars
5 Stars
4 Stars
3 Stars
2 Stars
1 Stars
Customer Photos and Videos
No user media. You can upload a photo or video of your install by posting a review.
Grimmspeed Y pipe - Fail. 8 months ago
2out of 5stars

Could be a great product however two factors seriously effect this, first off, the mounting holes to attach to the bottom of my stock TMIC did not align correctly....3 of the 4 lined up perfectly, but the 4th hole was a complete hole diameter "off" I could not believe it, but sadly true. Secondly and just as important, this is supposed to be a performance upgrade, right? Well fact of the matter is upon even casual examination only a blind person could miss the very obvious rough surface on the insides of the Grimmspeed Y pipe itself, very rough!!! The internal flow surface of my stock Y pipe was markedly SMOOTHER than the Grimmspeed Y pipe. The fact here is both air and fluids travel easier and faster thru pipes and hoses that have smooth internal walls. There is NO way the the flow rate of the Grimmspeed Y pipe I received could come anywhere close to my stock unit. Impossible. So maybe it was divine intervention, but That hole mis-alignment gave me an opportunity to stop, and really check out the Grimmspeed Y pipe, So it was a complete No Brainer....I reinstalled my stock Y pipe, using the Grimmspeed hoses, and they are really great...seriously. But since I "broke up a pre-packaged kit" I'm now stuck with the Y pipe....I called and spoke with the Cust Svc rep and that's what he told me....unless I include the hoses with the return as well....umm. not going to take my IC off to return the only usable (and good) part of this kit. I noted an earlier review where the buyer "could tell by just looking at it" that it would flow much better than stock......If that is the case then I surely got one that Grimmspeed Q.C. completely missed. I'm no newbie....Im 60 yrs old and have been tracking and hot rodding my 911 Porsche for 20 years. Peace Out.
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2006 STI 3 years ago
5out of 5stars

After comparing this to the stock Y-Pipe you can tell the GrimmSpeed one will flow way better. Super easy to install. I installed this on my stock STI intercooler. I know GrimmSpeed sells the Y-Pipe and BOV gaskets separate but I wish they included them in the kit.
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2 of 2 people found the following review helpful
Fits good. But the supplied 90 degree hose will require trimming. 3 years ago
5out of 5stars

Overall, this is a very good product with its affordable price and quality casting. I bought this to replace my OEM 2011 WRX STI Y-pipe due to busted WMI bung. As stated on the manual, the supplied Grimmspeed 90 degree silicone hose will require trimming (to match the STI OEM 90 Degree hose) when paired with OEM turbo. What I did was re-use the OEM 90 degree hose because it is still in good shape, but I did have to eye ball how deep should the 90 degree hose be inserted into the Y pipe. It ended up to be a very snug fit, which is great. If I may provide a suggestion, it will be great if Grimmspeed supplied a measurement of how much to trim because I can imagine the difficulties of trimming the 90 degree hose if I do not have the OEM 90 degree hose as template.
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1 of 1 people found the following review helpful
2004 WRX Wagon 3 years ago
4out of 5stars

As much of a PITA as you'd expect, but it wasn't that hard. Patience and time goes a long way. Installation took about 2 hours. I had to trim the silicone that connects to the turbo outlet.
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  • Q: STi Intercooler on WRX fitment  SubiMashinTime2 years ago

    Would there be any issue with using this to fit an STi intercooler on a 06 WRX? Besides trimming some hoses of course. Still using stock WRX turbo, I don't have y-pipe from STi intercooler so I need a solution.
  • Q: Grimmspeed y-pipe   Jordan3 years ago

    Are the intercooler gaskets included with the y-pipe or do they need to be purchased separately?

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