Grimmspeed 3" exhaust gasket
Thread Starter
Joined: Aug 2004
Posts: 4,786
Likes: 146
From: Colorado Springs, CO
Grimmspeed 3" exhaust gasket
I wasn't sure of the best place to put this but since this mainly refers to single turbo cars I figured this was the best place.
I didn't see this come up when I searched and I've seen a few different people looking for 3" exhaust gaskets. I've been using these for several years now and they've held up great. The only reason I got new ones again was because I needed to get an extra one anyway to use between the two pieces of my RB dual tip exhaust I'm putting in, and I'm doing a new turbo and that forces me to do a new downpipe also.
The flanges on those two pieces of the exhaust made me modify the gasket a bit. I needed to widen the holes outward. But with all other flanges I've used them on (including the end of the RB exhaust that bolts to the midpipe) the holes line up perfectly.
These things are very heavy duty and you won't be having to replace them so often as with the pressed gaskets.
These are seven layers thick and Grimmspeed also offers gaskets that are twelve layers thick now too.
GrimmSpeed Downpipe to Catback 3" Gasket - GrimmSpeed


I didn't see this come up when I searched and I've seen a few different people looking for 3" exhaust gaskets. I've been using these for several years now and they've held up great. The only reason I got new ones again was because I needed to get an extra one anyway to use between the two pieces of my RB dual tip exhaust I'm putting in, and I'm doing a new turbo and that forces me to do a new downpipe also.
The flanges on those two pieces of the exhaust made me modify the gasket a bit. I needed to widen the holes outward. But with all other flanges I've used them on (including the end of the RB exhaust that bolts to the midpipe) the holes line up perfectly.
These things are very heavy duty and you won't be having to replace them so often as with the pressed gaskets.
These are seven layers thick and Grimmspeed also offers gaskets that are twelve layers thick now too.
GrimmSpeed Downpipe to Catback 3" Gasket - GrimmSpeed


Thread Starter
Joined: Aug 2004
Posts: 4,786
Likes: 146
From: Colorado Springs, CO
Indeed, as long as the flanges aren't bent too bad like mine was lol. I didn't even hear an exhaust leak before, but when I was looking at my midpipe (RX-7 store Magnaflow model) one of the flanges was quite bent on one end and you could see where it was leaking. So maybe the gasket at least quieted the leak? I'm not sure lol.
Does look like a nice gasket, But check this out - $28,000 exhaust header - GrimmSpeed Super-Loop Header - GrimmSpeed
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Thread Starter
Joined: Aug 2004
Posts: 4,786
Likes: 146
From: Colorado Springs, CO
No worries! I wasn't sure if some folks hadn't heard of them so I figured it wouldn't hurt posting it.
Thread Starter
Joined: Aug 2004
Posts: 4,786
Likes: 146
From: Colorado Springs, CO
It certainly is. I trust these way more than the pressed versions.
I haven't hit the track yet, but I have no worry with these. They're a little more expensive, sure, but I feel it's definitely worth the money.
I haven't hit the track yet, but I have no worry with these. They're a little more expensive, sure, but I feel it's definitely worth the money.
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