Sheepey Exhaust for 991.2 GT3RS
#1
Drifting
Thread Starter
Sheepey Exhaust for 991.2 GT3RS
Owner of car claims 600hp.
Shop claims 30whp gain over stock.
Design looks... different. Not sure what's going on with those smaller tubes up top. Are they blocked off or do they dump to atmosphere up under the rear bumper? Seems strange. Also looks like the two halves of the exhaust slip-fit together at that merger pipe?
Click the arrows in the IG post to see more photos.
Shop claims 30whp gain over stock.
Design looks... different. Not sure what's going on with those smaller tubes up top. Are they blocked off or do they dump to atmosphere up under the rear bumper? Seems strange. Also looks like the two halves of the exhaust slip-fit together at that merger pipe?
Click the arrows in the IG post to see more photos.
#5
Nordschleife Master
Unless there’s more to this no way do you get 30 hp with just cat back bypass.
Shop and owner can claim whatever they want.
I claim my 3RS has 625 hp. There.
Shop and owner can claim whatever they want.
I claim my 3RS has 625 hp. There.
#6
Drifting
Thread Starter
That's what I'm thinking too. But then again... a few companies here on the forums claim relatively big hp gains with just center bypass and posted the dynos. I don't believe a center bypass increases power/torque in any meaningful way. So I also find it hard to believe this one gets a 30hp boost. But the shop says they also remapped the ECU...
#7
Drifting
Thread Starter
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#9
Rennlist Member
I sent them a DM on IG, they said the exhaust retails for $6k but they will talk price with you if you send them a message. I didn't ask about the HP gain claims. Seriously one of the nicest looking exhausts I've ever seen though, on par with the $12k Ericcson exhausts....they also said no drone, no valves, exhaust is "always on"
#10
Drifting
Thread Starter
#11
Nordschleife Master
That's what I'm thinking too. But then again... a few companies here on the forums claim relatively big hp gains with just center bypass and posted the dynos. I don't believe a center bypass increases power/torque in any meaningful way. So I also find it hard to believe this one gets a 30hp boost. But the shop says they also remapped the ECU...
#12
Drifting
Thread Starter
I sent them a DM on IG, they said the exhaust retails for $6k but they will talk price with you if you send them a message. I didn't ask about the HP gain claims. Seriously one of the nicest looking exhausts I've ever seen though, on par with the $12k Ericcson exhausts....they also said no drone, no valves, exhaust is "always on"
#13
Rennlist Member
I'm willing to bet there are minimal gains without the tune. And honestly, I don't trust any shop to retune such a high-strung engine as these. They are already pushing the reliability limits with 520hp out of a 4L 6 cyl. The actual race engine Porsche uses gets rebuilt often. So yeah, there's definitely room for more power from a tune, but at what cost...
#14
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I'm willing to bet there are minimal gains without the tune. And honestly, I don't trust any shop to retune such a high-strung engine as these. They are already pushing the reliability limits with 520hp out of a 4L 6 cyl. The actual race engine Porsche uses gets rebuilt often. So yeah, there's definitely room for more power from a tune, but at what cost...
Agreed.
Let's be honest; the car is already ridiculously fast for what it is.