GrimmSpeed Downpipe to Catback 3

GrimmSpeed Downpipe to Catback 3" Gasket (Double Thickness)

MODEL # GRM 076001
Manufacturer Part # 076001


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This extra thick gasket lies between the downpipe and catback on a 3" exhaust system. At 12 layers this gasket is twice as thick as most gaskets, and provides unsurpassed leak protection. Ideal for imperfect, and perfect flanges due to its thickness.
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Brand: Grimmspeed
Gasket Layers: 12
Material: Stainless Steel
QTY: 1

Mfgr. Warranty: Limited 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.



Thick like an ice cream shake
NotoriousBIB 5 months ago
Does its job, doesnt need a resume, hired to be your boss. I have an Invidia N1 on a 2005 WRX. Replaced my downpipe and these are what i use

Gasket. It fits.
guest55c53d7bcaae52790b8fd390 2 years ago
Just as described, a very thick gasket. Both great for DP to mid-pipe, as well as mid-pipe to rear section.

tylertc 3 years ago
If anyone cares - this will fit the Greddy Evo 2 / Evo 3 exhausts. Really just about any 3 aftermarket exhaust. Great product, definitely nice and thick. Can take up small discrepancies in flange flush-ness.
Verified Purchase

sealed up well
matthew0002996269 3 years ago
My exhaust had a slight leak when I used the Invidia gasket provided with my downpipe. I then changed my catback from the greddy hi-power to a tomei expreme ti then used this gasket with grade 10 bolts. Absolutely no leaking what so ever. I am very happy.
Verified Purchase

Great product!
schubachuk94743 3 years ago
Had a leak after installing my downpipe, bought this gasket fixed the leak right away. Extra thick!

  • Q: Gasket Sizes for Invidia Catback in 2013 WRX Premium Sedan  RJones 9 months ago


    I have a 2013 Subaru WRX Premium Sedan with Invidia Catback. I need 3 2-bolt gaskets. On chat, the tech said I needed 2 -2.5inch and 1- 3inch GrimmSpeed gaskets. While on page with 2.5 inch gasket, I get red message that gasket will not fit my car. What are proper gasket sizes for this exhaust? I don't believe these are returnable so don't want wrong sizes. Thanks.

    • A: The gaskets that the tech over chat recommended is correct. You will need 2 of part GRM 020031 and 1 of GRM 076001.

      Tyler G. 9 months ago
  • Q: fitment  ford75932106 1 year ago


    Will this gastket fit my 2014 wrx. I have a invidia catted downpipe with a spt exhaust.

    • A: Although it would work, we recommend running part GRM 077044. The SPT exhaust has a 2.5 inch flange just like the stock catback exhaust.

      Tyler G. 1 year ago
  • Q: 2014 WRX Hatch  Aaron 1 year ago


    Just bought a used Q300. No bolts or gaskets came with it. Do I need 1 of these or 3? Regular thickness or double? Do you also know the bolt sizes for the Q300 setup?

    • A: You would need 3 of these and either will work fine. The bolts are M10x1.25 and you would need 6 of them.

      Tyler G. 1 year ago
  • Q: Bolt Size   LukeBradley 2 years ago


    I was wondering what size the bolts are for these gaskets? I don't have any bolts for my evo2 catback.

    • A: A 3/8" bolt will work fine. The factory bolts are M10x1.25.

      Tyler G. 2 years ago
  • Q: Perrin catted DP  jasonkn18 2 years ago


    I have a Perrin catted DP for the 2005 WRX. Will this fit with a Borla catback exhaust?

    • A: This will fit any 3 inch 2 bolt exhaust flange. As long as its not a donut gasket or slip joint, it will work.

      2 years ago
Universal Product
This item is non application specific.
Please verify compatibility before purchase. May require some modification for proper installation.