High Quality
while I cannot attest to it's performance just yet, as bought for the down pipe to converter flange pipe on a Mertop racing high flow cat setup for my 1.8t Audi TT, and have not installed it yet. The quality is fantastic, and the Grimspeed service was great as well, I have a second 2 bolt flange on my Malian rear catback system for the same car, should have ordered one for it, so will be doing that before the exhaust is installed for sure
THICCCCCCCCC GASKETS FOR YOUR TYPICAL RUST BELT CAR
LIVE IN THE RUST BELT OF THE UNITED STATES OR EVEN OUTSIDE OF THE USA? YOUR STATE OR PROVINCE LOVE TO POUR SALT ONTO THE ROADS LIKE MCDONALDS POURS SALT ON THEIR FRIES AND THEN YOUR GASKETS KEEP RUSTING OUT? GET YOUR TOP OF THE LINE THICCCC BOY GASKET THATLL REPLACE THE OLD BROKEN RUSTED POS GASKET THAT CAME WITH YOUR LOUD TIN CAN OF AN EXHAUST. AFTER TAKING 3 HOURS LONGER THAN YOU THOUGHT JUST TO SHEAR THE BOLTS THAT CAME OFF THE EXHAUST, SLAP THIS BAD THICCCC BOY ON AND TORQUE IT TO A GOOD 2 UGGA DUGGAS AND YOURE ALL GOOD TO GO.
Only option
If your looking at this, just buy it. Fel-pro gaskets will disintegrate, this will not.
GASKET
Best gasket out there for my Lexus RCf Invidia Q300 exhaust.. 12 layered gaskets. Installed no more leaks and no more codes. Couldn't be happier. 2 day delivery so arrived quick and install immediately. Thank you so much @ grimmspeed..
Gasket
Thick & sturdy for peace of mind against annoying leaks, what more could you ask for?! Buy it.
Gasket
Product is built with high quality, way better than oem. If you're replacing parts because of mods, I highly recommend their products.
Quality stuff!
Sealed perfectly. They take pride in their builds. Have other goodies from grimmspeed and very impressed with their stuff
Very good gasket
Twice as thick as normal. Very solid. I would recommend
3" gasket
I kept blowing out my exhaust gaskets at higher boost and with all the back pressure from back fires on my WRX. I installed a 3" heavy duty gasket a couple months ago and it's still holding strong. Just wish I bought another to go between the down pipe and cat back!!
Amazing quality piece!
As usual, anytime I need a gasket I turn to the folks at grimmspeed. The option to get a double thick or regular thickness gasket has always impressed me. This time was no different. The double thick gasket helped to seal up a slightly leaky exhaust gap between a downpipe and a catback made by two different companies. Worked perfect as usual and has nearly completed my collection of grimmspeed gaskets abundant on my STi swapped forester.
Thanks for the great quality! Ill undoubtedly be back for more.
Based on Customer Service Alone
The GrimmSpeed customer service I received was top-notch! And while the gasket I received will not fit what I bought it for (2012 Mazdaspeed3), I will take the $30 hit just because I think that the service was worth it alone and I learned that this universal gasket will not work with my car. I really do hope that GS looks into supporting the Mazdaspeed3 platform more in the future.
Great product
No leaks exactly as described.
03 WRX
I recently bought and installed Grimmspeeds extra thick catback exhaust gasket, no leaks, well made. Also bought and installed a Grimmspeed electronic boost controller for an open source tune at Outback Automotive, Auburn, Wash.
Upon reading the dyno sheet after the tune I noticed that a considerable percent of the power gain was a direct result of the Grimmspeed boost controller, the remainder was down pipe and laptop to ecu parameters paring the boost controller with the system of my 03 WRX. I also noticed that the tuner, who is well known for his Subaru work, uses Grimmspeed boost controllers exclusively in this application.
Robert, Advanced Arbor Care
Monroe , Wash
Leak fixed
I had a nasty exhaust leak from my downpipe to cat-back that would not seal with gasket sealer. After a week of driving with the annoying leak I remembered that grimmspeed sold a 7-layer gasket with fire ring for a replacement. I installed it today and it worked, no leak. It was amazing how much it cleaned up the sound of my car. It's back to being aggressive.
