SharkWerks GT3/GT3RS Muffler Bypass Released (with videos)
GT3/GT2/GTPerformance and Track Discussion on the Porsche GT3, GT2, and the Carrera GT Sponsored by Autodynamica
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Just one quick question.. would putting on the bypass change the power delivery if I remain on the stock ECU? Such as more lag etc? I experienced a change when I put on a 3" exhaust on my previous turbo car.. but not so sure about a NA car like the GT3.
No. If you remove all the mufflers and go full straight pipes you might experience a noticeable torque loss in the lower RPM's as these n/a motors are very sensitive to back pressure, exhaust pulses, etc, but you wont notice any improvement or decline in performance with just deleting the center muffler. With the exception of being able to constantly hear one of the greatest noises know to man!
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__________________ Colby
04 996 GT3: GMG prepped(Custom rollbar & exhaust, euro seats, etc)-gone
02 996 Turbo: GMG prepped (BBS, Brembo, Moton, etc...)-gone ~Conquering the problem of circumstance with hope, through faith, in Him who died for me.-Romans 8:37
No. If you remove all the mufflers and go full straight pipes you might experience a noticeable torque loss in the lower RPM's as these n/a motors are very sensitive to back pressure, exhaust pulses, etc, but you wont notice any improvement or decline in performance with just deleting the center muffler. With the exception of being able to constantly hear one of the greatest noises know to man!
That's comforting to hear. In the promo vids, I also noticed the exhaust would gurgle and pop upon the lifting of the throttle. IMO i prefer a clean smooth sound.. does the gurgle happen everytime you lift?
That's comforting to hear. In the promo vids, I also noticed the exhaust would gurgle and pop upon the lifting of the throttle. IMO i prefer a clean smooth sound.. does the gurgle happen everytime you lift?
It depends on the load and RPM but yes you will get more gurgle and pop. You're the first i've heard of that doesnt like it...? I love it!
__________________ Colby
04 996 GT3: GMG prepped(Custom rollbar & exhaust, euro seats, etc)-gone
02 996 Turbo: GMG prepped (BBS, Brembo, Moton, etc...)-gone ~Conquering the problem of circumstance with hope, through faith, in Him who died for me.-Romans 8:37
Just one quick question.. would putting on the bypass change the power delivery if I remain on the stock ECU? Such as more lag etc? I experienced a change when I put on a 3" exhaust on my previous turbo car.. but not so sure about a NA car like the GT3.
There's literally no difference in routing/back pressure the way we did ours so it's not like you need an to do an ECU nor will you loose anything down low. We worked with EVO to get software done for it but it's not "required" or anything. We're dealing with an NA car here vs a turbo car so it's completely different There's no change in throttle response/low-end torque etc... by changing out to the center bypass. It's still being routed just the same as it would via the factory unit except that you don't have all of the surrounding muffler/chamber....
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With the exception of being able to constantly hear one of the greatest noises know to man!
Cheers very much Colby!
Quote:
Originally Posted by prodigue
That's comforting to hear. In the promo vids, I also noticed the exhaust would gurgle and pop upon the lifting of the throttle. IMO i prefer a clean smooth sound.. does the gurgle happen everytime you lift?
Actually the stock set up with the sport button pressed can induce that too... it depends on what you're doing in terms of driving (letting off etc...). If you drive normally then it won't really do that but if you back-off the throttle quickly/suddenly and aren't warmed up etc.. you'll see
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There's literally no difference in routing/back pressure the way we did ours so it's not like you need an to do an ECU nor will you loose anything down low. We worked with EVO to get software done for it but it's not "required" or anything. We're dealing with an NA car here vs a turbo car so it's completely different There's no change in throttle response/low-end torque etc... by changing out to the center bypass. It's still being routed just the same as it would via the factory unit except that you don't have all of the surrounding muffler/chamber....
Quote:
Originally Posted by sharkster
Actually the stock set up with the sport button pressed can induce that too... it depends on what you're doing in terms of driving (letting off etc...). If you drive normally then it won't really do that but if you back-off the throttle quickly/suddenly and aren't warmed up etc.. you'll see
From the master himself. Do it, your wont regret it!
__________________ Colby
04 996 GT3: GMG prepped(Custom rollbar & exhaust, euro seats, etc)-gone
02 996 Turbo: GMG prepped (BBS, Brembo, Moton, etc...)-gone ~Conquering the problem of circumstance with hope, through faith, in Him who died for me.-Romans 8:37
Actually the stock set up with the sport button pressed can induce that too... it depends on what you're doing in terms of driving (letting off etc...). If you drive normally then it won't really do that but if you back-off the throttle quickly/suddenly and aren't warmed up etc.. you'll see
Cool.. thanks for the insight. Btw, could you tell me the advantages/disadvantages (if any) about upgrading to a full system (header back) like Cargraphic to a simple muffler bypass swap?
Does the significantly extra cost of the full system actually produce significant gains or it's marginal to a certain degree?
I chose wrong exhausts for my previous cars and it really taught me a lesson to do my homework.. so your advice would be much appreciated thank you!
Cool.. thanks for the insight. Btw, could you tell me the advantages/disadvantages (if any) about upgrading to a full system (header back) like Cargraphic to a simple muffler bypass swap?
Does the significantly extra cost of the full system actually produce significant gains or it's marginal to a certain degree?
I chose wrong exhausts for my previous cars and it really taught me a lesson to do my homework.. so your advice would be much appreciated thank you!
These motors are extremely efficient and trying to get meaningful hp out of them is pointless and lots of $$$$$$$. I'd say at best with a proper tune and full exhaust you may get 30 hp and that will run you close to 10k. Your money is much better spent else where, like safety equipment, lighter wheels, track time, etc... And with those, you'll notice increased performance in more than just the straights (ie: cornering and braking). Especially with lighter wheels and losing significant weight (~150lbs). If you want a lot of hp get a turbo or GT2.
I'm sure Shark will chime back in and confirm or correct.
__________________ Colby
04 996 GT3: GMG prepped(Custom rollbar & exhaust, euro seats, etc)-gone
02 996 Turbo: GMG prepped (BBS, Brembo, Moton, etc...)-gone ~Conquering the problem of circumstance with hope, through faith, in Him who died for me.-Romans 8:37
These motors are extremely efficient and trying to get meaningful hp out of them is pointless and lots of $$$$$$$. I'd say at best with a proper tune and full exhaust you may get 30 hp and that will run you close to 10k. Your money is much better spent else where, like safety equipment, lighter wheels, track time, etc... And with those, you'll notice increased performance in more than just the straights (ie: cornering and braking). Especially with lighter wheels and losing significant weight (~150lbs). If you want a lot of hp get a turbo or GT2.
I'm sure Shark will chime back in and confirm or correct.
Excellent wheels! I had the RS98 wheels on another car and loved them. Most of the GT3/RS cars here are running the Sharkworks Bypass and I don't know anyone who wasn't blown away with the sound.
Cool.. thanks for the insight. Btw, could you tell me the advantages/disadvantages (if any) about upgrading to a full system (header back) like Cargraphic to a simple muffler bypass swap?
Does the significantly extra cost of the full system actually produce significant gains or it's marginal to a certain degree?
I chose wrong exhausts for my previous cars and it really taught me a lesson to do my homework.. so your advice would be much appreciated thank you!
Colby has it right, the full systems can be really, really expensive and it'd be one thing if you were dealing with a Turbo car where the gains are at least worth it. You're going to spend a lot of $ for very little gain (maybe 10-12hp?) and the other thing that you will notice is a lot of resonance/drone. Anytime you start messing with the side mufflers the GT3/RS and its lack of sound deadening is going to give you heach aches on a street car... You could also do software if you're wanting more HP but again it's not going to be the same type of gains as on a turbo car for obvious reasons. You'll get better throttle response and about 10-15hp. I hear you on the lesson and if it's any consolation if for some reason you don't like it you can always send it back etc...
Quote:
Originally Posted by CarNerd
These motors are extremely efficient and trying to get meaningful hp out of them is pointless and lots of $$$$$$$. I'd say at best with a proper tune and full exhaust you may get 30 hp and that will run you close to 10k. Your money is much better spent else where, like safety equipment, lighter wheels, track time, etc... And with those, you'll notice increased performance in more than just the straights (ie: cornering and braking). Especially with lighter wheels and losing significant weight (~150lbs). If you want a lot of hp get a turbo or GT2.
I'm sure Shark will chime back in and confirm or correct.
Spot on Colby... 10K for 12hp which is worth it to some but not everyone. Plus there's the drone etc... Light weight wheels, some safety equipment etc... I think for a GT3/GT3RS that's where you're best served.
Quote:
Originally Posted by prodigue
Understood.
Speaking of wheels.. what about Champion RS171?
Really good/strong/light wheel. We had similar Champions our Cayman S.
Quote:
Originally Posted by 03-turbo911
Excellent wheels! I had the RS98 wheels on another car and loved them. Most of the GT3/RS cars here are running the Sharkworks Bypass and I don't know anyone who wasn't blown away with the sound.
Hehe thanks Khalid, you folks are kindly representin'! The RS98 is exactly what we used on our Cayman S too. Great choice.
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Great choice! Of the Champion wheels the 171's and 98's are my favorite. If they made them in 18 I would already have a set. If you're going to track the car though, get a good set of 18's (BBS E88's or Mags, CCW C10-C14's, HRE C-series, or any Fikse Profil)
Quote:
Originally Posted by sharkster
That is one bad@ass Cayman! How would that thing hold up against a stock 6 GT3 on track?
__________________ Colby
04 996 GT3: GMG prepped(Custom rollbar & exhaust, euro seats, etc)-gone
02 996 Turbo: GMG prepped (BBS, Brembo, Moton, etc...)-gone ~Conquering the problem of circumstance with hope, through faith, in Him who died for me.-Romans 8:37
... and the other thing that you will notice is a lot of resonance/drone. Anytime you start messing with the side mufflers the GT3/RS and its lack of sound deadening is going to give you head aches on a street car...
Yup, real drone is a b****! Completely not worth the extra weight loss (especially b/c 99% of most DE'ers wont even notice it) and it's not going to sound all that much more racey. Also, if you're not into the whole barks, gargle, snap-crackle-pop thing, a full system is going to be even worse.
Quote:
Originally Posted by sharkster
I hear you on the lesson and if it's any consolation if for some reason you don't like it you can always send it back etc...
You couldn't have asked for a better deal!
__________________ Colby
04 996 GT3: GMG prepped(Custom rollbar & exhaust, euro seats, etc)-gone
02 996 Turbo: GMG prepped (BBS, Brembo, Moton, etc...)-gone ~Conquering the problem of circumstance with hope, through faith, in Him who died for me.-Romans 8:37
if you want to add power to gt3, buy a turbo, it's much cheaper that way.
if you want to lose wt on gt3, rip everything out just keep the seat and steering wheel. the instrument pod and dash are all dead wt as well.
if you want to lose torque overall, use aftermkt header and straight pipes.
if you want the car to sound like it's on steroids, install shark bypass. it doesn't drone.
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if you want to add power to gt3, buy a turbo, it's much cheaper that way.
if you want to lose wt on gt3, rip everything out just keep the seat and steering wheel. the instrument pod and dash are all dead wt as well.
if you want to lose torque overall, use aftermkt header and straight pipes.
if you want the car to sound like it's on steroids, install shark bypass. it doesn't drone.
Hehe thanks Mooty and so glad you like it... Now this is your _last_ RS, correct?
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There's no change in throttle response/low-end torque etc... by changing out to the center bypass. It's still being routed just the same as it would via the factory unit except that you don't have all of the surrounding muffler/chamber....
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