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Invidia Gemini R400 Single Layer Cat Back Exhaust w/Stainless Steel Tips - Subaru WRX 2010-2014 / STI 2011-2014
Invidia Gemini R400 Single Layer Cat Back Exhaust w/Stainless Steel Tips - Subaru WRX 2010-2014 / STI 2011-2014
Invidia Gemini R400 Single Layer Cat Back Exhaust w/Stainless Steel Tips - Subaru WRX 2010-2014 / STI 2011-2014
Invidia Gemini R400 Single Layer Cat Back Exhaust w/Stainless Steel Tips - Subaru WRX 2010-2014 / STI 2011-2014
Invidia Gemini R400 Single Layer Cat Back Exhaust w/Stainless Steel Tips - Subaru WRX 2010-2014 / STI 2011-2014
Invidia Gemini R400 Single Layer Cat Back Exhaust w/Stainless Steel Tips - Subaru WRX 2010-2014 / STI 2011-2014
Invidia Gemini R400 Single Layer Cat Back Exhaust w/Stainless Steel Tips - Subaru WRX 2010-2014 / STI 2011-2014
Community Media
User Media for: Invidia Gemini R400 Single Layer Cat Back Exhaust w/Stainless Steel Tips - Subaru WRX 2010-2014 / STI 2011-2014
User Media for: Invidia Gemini R400 Single Layer Cat Back Exhaust w/Stainless Steel Tips - Subaru WRX 2010-2014 / STI 2011-2014
User Media for: Invidia Gemini R400 Single Layer Cat Back Exhaust w/Stainless Steel Tips - Subaru WRX 2010-2014 / STI 2011-2014

Invidia Gemini R400 Single Layer Cat Back Exhaust w/Stainless Steel Tips

Subaru WRX 2010-2014 / STI 2011-2014

Read 4 Reviews | 6 Q&As
Part # HS11STIGM4SS
$1,029.44
On Sale
msrp: $1,548.00

Ships within 27 days

Features & Product Details

If you're in the business of adding artwork, sound, performance, and value to your vehicle, then you will be pleased with the Invidia Gemini Stainless Steel Tip Cat-Back Exhaust System. This exhaust system will provide your vehicle with a pronounced exhaust note throughout the entire RPM band, and the design improves performance from the increased piping diameter, to the smooth bends that reduce exhaust flow under acceleration. This means that you will have improvements in throttle response, and you will have increases in both horsepower and torque. 

This is a great exhaust system for those of you who enjoy the occasional weekend track day, or who enjoy the spirited drive. With the blue tip finish, this exhaust system will look great on the exterior of your vehicle. 

Exhaust hangers are welded onto the OEM locations of this exhaust system so you don't have to worry about making further modifications to the body. New hardware and gaskets will be included with this exhaust system to make it ready for installation. 

Specifications

Brand: Invidia
Exhaust Orientation: Straight Exit
Installation Hardware Included: Yes
Piping Coating: No
Piping Flex Joint: Yes
Piping ID: 3.00in
Piping Material: 304 Stainless Steel
Piping Taper: No
Silencer Included: No
Tip Material: Stainless Steel
Tip Qty: 4
Tip Shape: Round
Tip Size: 4.00in
Mfgr. Warranty: 1 Year
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.
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REVIEWS & CUSTOMER MEDIA

4 Reviews
4.8 out of 5 Stars
5 Stars
(3)
4 Stars
(1)
3 Stars
(0)
2 Stars
(0)
1 Stars
(0)
Customer Photos and Videos
Invidia Gemini R400 Single Layer Cat Back Exhaust w/Stainless Steel Tips ( Part Number: HS11STIGM4SS)
Invidia Gemini R400 Single Layer Cat Back Exhaust w/Stainless Steel Tips ( Part Number: HS11STIGM4SS)
Invidia Gemini R400 Single Layer Cat Back Exhaust w/Stainless Steel Tips ( Part Number: HS11STIGM4SS)
Sounds great 9 months ago
5out of 5stars

Installed this on my built 2012 WRX sedan with catless down pipe perrin equal header with egr and tvg deletes with grimmspeed uppipe and blouch 20g turbo and it sound great wanted to see how much louder it would be than the q300 is a little louder than the q300 but not that much it is just really deep sounding if you the sound of the n1 but do not have to worry about getting pulled over than this is the exhaust you want. Also this midpipe is like inch longer than the one that comes with the q300 exhaust since there is a less of a bend in the flex joint and take some adjusting to get the q300 mufflers to sit right with out sticking out too much.
  
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Sounds great, fitment with grimspeed stock downpipe bracket not so great. 1 year ago
4out of 5stars

After installation (2013 wrx) with the stock downpipe and the grimmspeed bracket to attach a 3" exhaust to the stock downpipe, the tips stick out the back about 1.5" and the driver side sticks out just a little bit more, causing it to look a little uneven. Really bugs me, as I am extremely OCD about lining things up and having them look perfect. You cant really tell if you are just glancing at the car, but if you look at it from the rear or angle for awhile you can definatly notice it. I attempted to lossen and re-align everything at least 4 times, and still no movement to tuck the tips in further. I assume without the grimmspeed bracket, and a 3" downpipe you could achieve perfect fitment, but as of right now I dont plan on going stage 2, so in the future i will give it a try when I do up/down pipes. But as for the sound it is unbelievable, I ordered the exhaust and was worried about "what if this exhaust only sounds a little better than my spt exhaust, is it really worth the money" hands down i completely underestimated the exhaust, my spt had a nice little grumble to it, but this one is like 3x louder (I like em loud) when I am in a higher gear it is hardly noticeable, but when I step on the gas, woohoo! The spt was very subtle compared to the r400. It is LOUD but not obnoxiously loud, it's the perfect kind of loud! Anyone debating getting this exhaust, stop thinking, breakout that credit card and get this baby ordered. Just be aware that if you are mating the stock downpipe to this CBE you will need the grimmspeed bracket (and new donut gasket) and will have slight fitment issues. I would have liked to have known this before ordering/installing so I didnt waste like 2 hours trying to get it to fit right, just a heads up to all ordering this exhaust.
  
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Grumble  3 years ago
5out of 5stars

I had to replace my clutch on my 2013 WRX and figured I’d do the turbo back exhaust. The R400 paired with the Invidia catted downpipe are beautiful. The sound is amazing but LOUD. Cruising on the pkwy at 70mph in 5th gear there is minimal drone but she grumbles as soon as you get on her. I am going to install 80mil sound deadening with 394 mil insulated sound deadening in the really troublesome areas to keep the grumble outside of the car. Overall, sounds awesome and looks great. Thanks to Joe at Redline Autosports in Floral Park, NY for another great installation.
  
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This exhaust is such a good investment 4 years ago
5out of 5stars

I got this catback in hopes of finding something that had a nice loud rumble to it, but wasnt too obnoxious (like the invidia N1). This exhaust did just that. It looks great, sounds great, and there is NO DRONE on the highway. Immediately after install, I took my car on an 8 hour drive and I had no complaints. but trust me, it sounds f***ing sweet from the outside!!!
  
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QUESTIONS & ANSWERS

  • Q: fitment  neil1 year ago

    I have a Cobb 3" downpipes will this fit directly to it or do in need an adpater
  • Q: HS11STIGM4SS  W663N1 year ago

    HS11STIGM4SS -Does this model fit into Impreza WRX STI 2013 Sedan 2.5 and do we have set anything in it’s CPU after installing it.
    • 0 of 0 people found the following answer helpful

      A:  Yes this will work with your vehicle and you will not need any sort of tuning after installation.

      Tylo R @ RallySport Direct
        
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  • Q: Exhaust Setup  13 STI2 years ago

    This set up comes with a downpipe right?
  • Q: Fitment  619sti2 years ago

    Hey. Will this fit a 15sti as well? If not, what’s the difference?
    • 0 of 0 people found the following answer helpful

      A:  This is not confirmed to fit as they are a different body style the exhaust bends and hangars will be in different locations.

      Devan M. @ RallySport Direct 2 years ago  
        
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  • Q: Hangars  richmparry158523 years ago

    Have a 2011 Wrx sedan. Do the stock exhaust hangars provide the best fit? Or should I get Kartboy XL or Grimmspeed aftermarket hangar bushings?
    • 0 of 0 people found the following answer helpful

      A:  Stock exhaust hangars will work just fine or you can upgrade to the Kartboy ones if you would like a little more clearance.

      Devan M. @ RallySport Direct 3 years ago  
        
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    • 0 of 0 people found the following answer helpful

      A:  Please use the OEM Rubber hangers for the best fitment.

      [email protected] @ Invidia 3 years ago  
        
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