Soul PP vs. OEM Porsche Headers - Porsche 911 (991.1)
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- Опубликовано: 24 сен 2020
- Having enjoyed the new performance headers from Soul Performance that were installed on my Porsche 911 just over a week ago, it's time for the Pepsi taste test. Can you tell the difference between the OEM headers and the Soul headers working with the valved exhausted system in either closed or open position? In this video we hear the comparison. Also, lots of people ask me all the time... Should I get headers? Will the noise be overpowering? Is there a drone inside the cabin? In this video we answer these questions and more. Let's check it out!
As ever, thanks so much for watching my videos and supporting my channel. Keep the comments and chat coming! More videos coming soon. Cheers!
#SoulPerformance #StreetHeaders
soulpp.com/product/porsche-99...
Soul Performance Products 991.1 Long Tube Street Headers are built around large diameter, free flowing HJS 200-cell catalytic converters with long tube runners for maximum gains in power, throttle response, and flat-six engine tone.
DETAILS:
+ Fits all Porsche 991.1 Carreras (2012-2016)
+ Designed and built in-house at our Willow Grove, PA facility
+ Power gains of over 25 whp and ft-lbs of torque!
+ All Soul components are backed by a renowned Lifetime Warranty for both street and track use
DEVELOPMENT & SOUND: The factory header design is a very simple, mass produced component not suited for performance. By creating a unique application for the 991.1 platform, we’ve focused on sizing the runners (2”) correctly to extract maximum power from the 3.8L engine while producing great gains from the 3.4L as well.
POWER: Verified independent dyno testing at Apex Autowerks on a Mustang dyno revealed real, repeatable peak gains of 9 whp and 13 ft-lbs of torque with a noticeable improvement in the mid RPM range, well over 25 whp and ft-lbs of torque at 3,000 RPM for a boost where you’ll be at most during normal driving. Even greater power can be realized with an ECU tune, especially after 5,000 RPM where adjusting timing would make a significant difference.
CONSTRUCTION: Each 991.1 header set is assembled out of T304L stainless steel. Merge spikes are incorporated to smooth exhaust flow into the collector and increase power. Thick water jet cut flanges cut to ISO 9001:2015 standards ensure perfect fitment and product longevity. Each exhaust is tested in a fixture to guarantee fitment and then foam packed to ensure they arrive in perfect condition.
HJS CATALYSTS: The highest quality catalytic converters available, known for their industry leading flow and durability. They are efficient enough to meet strict EURO 4 emission standards while still allowing for an increase in flow - all without a check engine light. The HD design uses premium triple foil winding for maximum strength. The brazing stripe is an extra feature in the interest of durability - it prevents the core from moving or experiencing any damage from sustained high horsepower abuse. We use a large and appropriately sized catalyst to allow for maximum gains - no compromises here!
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Aha-woooooo; totally worth it. Great effort to demonstrate the upgrade exhaust and boost in power.
Thanks so much!!
Soul headers for the 991.1 carrera changed my life. Thats all I can say.
HA! Perfect. ME TOO!!
Cheers! - Mike
Competition or street?
No debate really, James...........well put together as always pal 👍
Cheers Christopher!! 🤩🙌
Your title should be edited as (991.1) vs (911.1). Amazing sound though! just incredible. I think the exhaust actually made the biggest difference. Your little grin while you were lettings us listen in the cabin is priceless. You are clearly happy with them. Congratulations on the upgrade.
Thanks David!!
Love your consistent enthusiasm James and I am really looking forward to seeing the reveal on the project car. Keep it coming buddy!
Thanks John!!
Thank you for making this. I am considering both and honestly like the sound profile with stock headers so I’ll prob start with just the rear section. That said, your car sounds amazing both ways and again, thanks for making this
You’re very welcome! Thanks so much. Honestly, that was the same approach I took. I was a little hesitant about the headers at first so I just went with the valve exhaust. It’s a good way to go about the journey. Good luck!
Great video! I do have to say, the Soul exhaust sounds so much better in person. I met a guy who has a 991 Carrera with the Soul exhaust (not sure about headers) and it sounded amazing. IMO, it sounded better and louder than my 997 Turbo which has Supersprint headers and Fabspeed exhaust. Plus, having the option to open or close valves makes the Soul a very versatile exhaust. Thanks for the video!
Well done mate!! That was a lot of work to get that together! Thank you and enjoy...it does really sound great.
Thanks so much! Appreciate it!!
In a word: EPIC!! 💨
Haha. Thanks Clive!
Great comparison video. I wish others were so thorough!!
Cheers Graham! Appreciate it!
love this review. thank you. the street take off with the valves open and soul headers is where it's at!
Glad you enjoyed it! Cheers.
Another great comparison. Nice, subtle differences across all the settings.
Thanks Alan!!
James, love all the work you have done to your 911. I kind of miss the original color, but perhaps I am a bit biased. Thanks for sharing all of your passion.
FYI I put a couple short videos on my channel of my SpeedTech exhaust on my 997.1 Turbo. I know you like the 997 Turbos so just sharing. Cheers!
Sounds amazing! Its a classy sound almost GT3 like 👍
Cheers Martin!!
Sounds amazing James! I just went fully catless on my 997. 2 C4S (along with Gundo and Sharkwerks Cross Pipe) and love it! Like you said it's not crazy loud unless you are in the higher revs.
Right on!
Great Video! I just talked to the guys @ Soul, Ifinally made up my mind to order the Exhaust, I was hesitant about the headers, but after seeing your video I'm gonna pull the Trigger on the Full Set Up! so i'll be getting the Headers Also !!!! I also have the 2013 S 991.1 :)
Good for you Danny!!!!!
Another great video - cheers
Cheers Jimmy!
Ohh yeah baby!!! It’s amazing James! Jealous, I’ve got a lot to think about over the winter!!!
Hey did you comment on my “Ultimate Comparison Test” Soul vs Stock video I just put out? I saw something pop up from AutoAmateur today at work but now I can’t find it. It happened to me before that I missed entire sections of comments because the disappeared under my mobile app - found them when logged onto the laptop dashboard!
Anyways another great video!
You know what you have to do Mike!! GO GET YOUR HEADERS!! 😆🔥🔥🔥🔥🔥
I saw your video. It was epic!!! Well done!!
Great mod
Cheers!!
What?! I thought valves were hige upgrade, had no idea headers made that much difference! OEM is like listening to someone with mask on and Soul without. Only Soul doesnt just remove the mask, it freaking turns the speaker into an absolute beast! I am tentatively planning on finally tackling my 996 in next month and once engine is sorted, definitely going to be looking into any soul products. I have the fab x which is pretty amazing, but would definitely prefer soul if they have the valve product for 996...ugh, miss my baby. Shes been collecting dust over last year...literally,. I’d say it’s about .2mm thick dust shell. I know, I am a horrible human being. James, the real thrill is lowry hill tunnel;). Oh, so many memories in that tunnel and in all of them there is this crazy grin on my face-hehehe.
Haha. I know that very tunnel!! 😆😆😆 Now project 996 is coming to an end, if you need any help with yours let me know! Happy to help. Cheers Sam!
Thank you for the kind words! We're always here to chat about your upgrades if you have any questions! - Mike
a few weeks ago I got my 991.2 Cabrio Agate grey from 2017 with beige interior and equiped with the original Porsche soundsystem..I am quit sure I have a big small on my face when downshifting ,(and upshifting and always when behind the wheel of this car)...not sure (I hope though) my smile is as big as yours.😀👍. I am new to your channel so I have some catching up to do but keep up the great work.. Enjoying your video’s and just subscribed.. regards from a Belgian guy but living in Italy.
Hi Eddy! Thanks for commenting and following my channel! I’m a huge fan of Belgian. Spent many trips and long weekends in Brussels and the surrounding area over the years. Welcome!! 🤩👍
Awesome video. Love the rapid replay. That is the new standard. I need to see if headers pass California emissions. If so I'm down. Got the OBD port in the mail today 👍🏎
Cool!! Cheers Tom.
Excellent video! Thank you. Been searching exhaust for turbo s and you made excellent videos. For me, at least from outside, header and cat upgrade is too much. Especially with valves open, it does not sound like Porsche anymore. I wonder how the sound differs in the cabin in terms of loudness and pitch.
Inside the cabin it sounds like HEAVEN! 🏆🏆🏆
I just did the exact same mod on my 2014 991 C2S. I absolutely love it! Any chance you could do another comparison video between your 991 and your friends GT3 now that you have added the headers?
That’s a great idea but unfortunately my friend sold his GT3 since I made that video. 🤦🏼♂️ Congratulations on your modification!
All I know is I want it!
Sold!
🙌🙌🙌
And SOUL performance for the WIN! Very nice work! Did you already make that the ringer for your cell phone?
Haha. No but I should!!
991.1 3.4L with PSE here. Looking for a louder idle. From your (helpful) video, it seems the SOUL PP Headers increase the idle noise. Would you say there an accurate assessment? I’m trying to get more of that GT3 sound at startup and idle without losing PSE, as it sounds wonderful when driving.
I might get the competition headers also rather than the street. Thoughts for my goals?
Get the street headers and they’ll give you what you’re looking for. Louder idle and that more raw sound on start up like the GT3. You’ll love them!
Thank you for the reply. Do you think if I went with the competition (catless), I’d get the same idle sound result? They’re about $1K less and my state doesn’t care. Thanks!!
Nice up grades, sounds good. I can't remember, have you gotten a tune installed yet?
Hey mate! Yes, I have a stage 2 tune from EuroCharged.
For me soul headers + closed was best. Interested in the low down torque increase too which I want having come out of a 997 turbo. At the moment me Cayenne S diesel puts you back in your seat more at low revs than my 991.1S 🙁
No way! Time to trade up David! 😜👍
I bet your neighbours loved you making this video! Typical scouser 😁. Sounds great 👍
🤣🤣🤣🤣🤣🤷♂️
Lovely video! However PSE sounds kinda better IMHO
Thanks Hector! Appreciate it!
Sounds great - where did you get the PORSCHE letters on your wall from?
Thanks! They’re from customgaragedecor.com
Another great video James. I thought the sound was great with and without the headers. The question is, is it worth $3500 for the extra horses.
The difference in response is very noticeable - more important than the sound IMO! - Mike
@@SoulPerformanceProducts hi Mike, I am very interested in doing the headers. Is this the best way to squeeze more power out of a 991.1?
@@markbudreau1410 you could also experience good power gains with an ECU tune at half the price without changing the sound at all. Headers are the best exhaust mod to unlock more power. -Mike
Is this the 3.4L?
That's right.
Unless there is something wrong with the sound, I believe the OEM’s sound better.
With the Soul headers on that car doesn't sound like a Porsche anymore. More like a 2 liter vtec Honda !
HAHAH!