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Invidia Q300 Catback Exhaust (Part Number: )
Invidia Q300 Catback Exhaust (Part Number: )
Invidia Q300 Catback Exhaust (Part Number: )
Invidia Q300 Catback Exhaust (Part Number: )
Invidia Q300 Catback Exhaust (Part Number: )
Invidia Q300 Catback Exhaust (Part Number: )
Invidia Q300 Catback Exhaust (Part Number: )
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Invidia Q300 Catback Exhaust (Part Number: )
Invidia Q300 Catback Exhaust (Part Number: )
Invidia Q300 Catback Exhaust
Subaru Legacy GT 2005-2009
Read 13 Reviews | 14 Q&As
Part # HS05SL1GT3
msrp: $1,081.00

In stock! Ships same day

Features & Product Details

If you are looking for a great way to squeeze a little extra performance from your vehicle, then you will be pleased with the Invidia Q300 Cat Back Exhaust System. There are several performance attributes that makes this an excellent upgrade. This exhaust system has been made from 304 stainless steel and features between 60 to 76MM piping. The exhaust has also been designed with minimal bends to reduce the amount of turbulence during acceleration, allowing the engine to exhale the exhaust gasses with less restrictions. This means you will have improvements in throttle response, along with increases in both horsepower and torque. 

This exhaust will come with a pair of beautiful 60MM polished tips, and the exhaust hangers are welded onto the stock location of the pipes so you don't have to perform further modifications.

 New gaskets and hardware will be included to make this exhaust system ready for installation.


Brand: Invidia
Exhaust Orientation: Straight Exit
Installation Hardware Included: Yes
Piping Coating: No
Piping Flex Joint: Yes
Piping ID: 76mm - 60mm
Piping Material: 304 Stainless Steel
Piping Taper: Yes
Silencer Included: No
Tip Material: Stainless Steel
Tip Qty: 4
Tip Shape: Round
Tip Size: 60mm
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.



13 Reviews
4.5 out of 5 Stars
5 Stars
4 Stars
3 Stars
2 Stars
1 Stars
Customer Photos and Videos
Invidia Q300 Catback Exhaust ( Part Number: HS05SL1GT3)
Invidia Q300 Catback Exhaust ( Part Number: HS05SL1GT3)
Sounds perfect! 9 months ago
5out of 5stars

Recommend removing the center pipe rubber hanger from the car and placing it on the pipes hanger. Made it easier for me.. had that and the Y-pipe bolted together already though. Didnt really know what to expect after install. (Also had the catted invidia dp with a base tune) but the sound was phenominal! First time actually upgrading a vehicle, id have to say im satisfied. Very bassy tone
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No proper review yet 9 months ago
3out of 5stars

Have both invidia catted 3” dp and the Q300 cat back which neither are installed though im impatiently waiting to finally put them on. Im writing this reveiw so that rallysport stops the email hassle on getting me to make a review! Be patient rally sport! 👌🤪 (1star on a few because like i said havent installed yet) 👍 im gettin there rallysport i promise
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1 of 1 people found the following review helpful
In Love All Over Again 3 years ago
5out of 5stars

I purchased my Legacy GT wagon last August. It was well worn and needed some love to get it road worthy again. The previous owner had an aftermarket exhaust system on it (don't know what brand), but removed it with the sale, replacing it with a stock system. It was disgustingly ugly and way too quiet. Anyway, I agonized over what system to go with. I wanted a sporty sound, but nothing that was obnoxiously loud and raspy. I chose the Invidia Q300 after a friend recommended it to me, since he had the system installed on his STI. i voiced my concerns and he assured me I'd be ok with the Invidia. Well the bottom line is, I couldn't be happier. Great sound, great looks, great price and a lot of compliments. The ground clearance is tight where the piping routes around the rear suspension and differential, so have to drive carefully on rough roads with a lowered car. Otherwise all smiles. Will try to upload a Video/Audio clip in the near future
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Love it! 3 years ago
5out of 5stars

It looks really nice. Really throaty sound for a bolt on! Overall I love it and I would recommend it it anyone!
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Absolutely Fantastic 3 years ago
5out of 5stars

There's not much else to say. Sounds great on my 2007 Legacy GT. A quality product.
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  • Q: Exhaust Hangers  Slade-Runner2 months ago

    What size/brand exhaust hangers do you suggest for a good fit with this?
  • Q: 2005 Outback XT Fitment  acrazydood8 months ago

    I know the Legacy GT and the Outback XT are essentially the same with the exception of ride height and the rear bumper on the Outback doesn't have the exhaust cutouts and has down swept tips. Has anyone tried or know if this exhaust would work on an Outback using longer hangers so it sits under the bumper? Thanks!
  • Q: Fitment on 2005 Subaru Legacy GT Wagon with Automatic Tranny  McDermott3311 months ago

    I have the Q300 on a 2011 WRX hatch and it sounds GLORIOUS. I'm looking for the same thing for my daily LGT wagon. I see many exhausts and downpipes that specifically say that they **don't** fit LGT's with auto trannys but this one doesn't specifically say that it does or doesn't. Does this exhaust directly fit a 2005 Subaru Legacy GT Wagon with an Automatic Transmission?
    • 0 of 0 people found the following answer helpful

      A:  Some products will specify in a note that they will not fit the wagon version, however, this exhaust doesn't and will fit your 2005 Legacy GT Wagon.

      Karsten B. @ RallySport Direct 9 months ago  
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  • Q: invidia exhaust that fits subaru legacy station wagon (kombii) 2005 2.0l 137KM (non turbo)  BetterSoundOnly11 months ago

    Is there any invidia exhaust that improves sound of my car and fits subaru legacy IV 2.0liter 137KM station wagon , 2005? This is a non-turbo version, SOHC. If there is no invidia exhaust that could fit my car, can you recommend any other exhaust systems? I need just a better sound
    • 0 of 0 people found the following answer helpful

      A:  This exhaust is designed for a turbo models. If you fill out the "Set Your Car" on our website it will sort out all the parts that will fit on your vehicle.

      Luis L. @ RallySport Direct 9 months ago  
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  • Q: Fitment   Kodiak Bear 2 years ago

    I was wondering why this won't fit a 2005 Subaru legacy i?
    • 0 of 0 people found the following answer helpful

      A:  Invidia designs this exhaust for the turbo models only and we cannot confirm any fitment for non turbo models.

      Brady R @ RallySport Direct 2 years ago  
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