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My Porsche 911 (997)


Outcast
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So since I've seen Burbs and BCspeed with their build threads, I thought I'd do the same. At the same time I hope to get a lot of input and advice from you guys because I'm completely new at this. I'm just going to start by telling you what I plan to do with the car and then slowly update the thread with pics/vids as I go.

 

So far these have priority:

 

- Agency Power Exhaust w/ Fabspeed Deluxe Tips

- BMC Performance Air Filters

- EVOMS ECU Upgrade

- IPD Plenum <- What this does, I have no idea. Can anyone explain?

- Getty Ducktail Sport/RPM Technik Ducktail

- Silver Porsche Hood Emblem + 911 Rear Badge in Chrome

- 19" 997 Turbo Rims OR 19" BBS Motorsport in Black

- 997 Sports Classic Front Bumper

 

I plan to start off with all the performance (exhaust, ecu, filters) mods and badges first, then the wheels, ducktail, and front bumper afterwards.

 

Here, enjoy an artsy-fartsy photo from my instagram

user posted image

Edited by Outcast

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You decided to get the Getty ducktail?

Yeah, I really like the look of the Sport Classic ducktail. The Misha for me was too low, sort of like it wouldn't really matter if it was there or not.

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The plenum is basically an uprated inlet manifold.

 

I still vote RPM Technik for the ducktail. The Getty one is fibreglass reinforced plastic, the RPM one is dry carbon.

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How much of a difference will the plenum make? Is it worth getting?

 

Yeah, I spoke to RPM Technik today and I'm waiting for a shipping quote from them right now.

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According to their figures it won't make a huge difference in outright power but improves midrange and response. Probably a fairly significant difference in everyday drivability.

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- IPD Plenum <- What this does, I have no idea. Can anyone explain?

 

this is basically the exact same thing as a modified intake manifold; almost identical in function / design as the CAI I have on my Trans Am.

especially since it's a bolt-on. they're basically the same piece.

 

my CAI (by SLP) looks like this:

user posted image

 

it replaces the stock air fob which was bulky, clunky, and convoluted by factory design.

the stock air fob is designed to LIMIT airflow as part of emission reduction. these were introduced on most sports cars around the same time as the catalytic converter.

 

right above the CAI lies the air filter itself (mine also having been replaced with a performance K&N model and SLP carbon fiber lid).

user posted image

 

it won't provide extraordinary horsepower gains, but in tandem with other basic performance modifications (those that compliment intake / exhaust) it will be noticeable.

mostly on the front-end in lower gears during acceleration.

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Tbh, I‘d forget about the engine mods, would go for a techart exhaust or a PSE (I am fairly sure you can retrofit a PSE on a Carrera2), do something for the suspension to lower the frog (I am pretty sure techart has something) and went for a set of Fuchs (they are expensive but not as expensive as the PE catalogue Sportclassic wheels, and they are forged). ducktail and sportclassic or gt3 front bumper.

 

I still have somewhere deep in my head a project car similar to that (in terms of exterior styling) in the future, the only difference is I would go probably for a pre-facelift 997 bought off an insurance auction from the US, fit it with a GT3 suspension setup, partially strip down the interior and go for a welded (not bolted - English?) half rollcage similar to the ClubSport Porsche ones.

Edited by Pavlov

Signature soon.

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Probably a fairly significant difference in everyday drivability.

Would you say in a good way or a bad way?

 

 

it won't provide extraordinary horsepower gains, but in tandem with other basic performance modifications (those that compliment intake / exhaust) it will be noticeable.

mostly on the front-end in lower gears during acceleration.

From experience, how much of a difference has it made in terms of daily driving?

 

 

Tbh, I‘d forget about the engine mods, go for a techart exhaust or a PSE

I would, but I've been quoted over $5300 sans labour for the PSE.

Edited by Outcast

eLqskO3.png

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From experience, how much of a difference has it made in terms of daily driving?

well I didn't install the CAI in a vacuum, so-to-speak.

it was part of an intake/exhaust overall we did in the same weekend. the CAI went on at the same time as the Borla Catback pipes, K&N Mass Airflow Sensor, and SLP Catalytic Converter.

 

the immediate response was a looser feeling accelerator during low RPM's. like it jumped up a little faster.

believe it or not there was also a small but measurable gain in my city (stop and go; not highway) MPG. keep in mind this is a 5.7L V8 so the MPG's were never stellar to begin with. but replacing the sh*tty stock air fob - which like I said, are designed purposefully to limit airflow - will surely provide measurable power gains in conjunction with performance filters and new exhaust.

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Probably a fairly significant difference in everyday drivability.

Would you say in a good way or a bad way?

Hopefully in a good way, but that's subjective.

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I've been talking to someone at RPM Technik for the past couple days, I'm close to getting the ducktail like you recommended sivis, but the problem is I can't seem to find any reviews or anything online regarding their products.

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I've been talking to someone at RPM Technik for the past couple days, I'm close to getting the ducktail like you recommended sivis, but the problem is I can't seem to find any reviews or anything online regarding their products.

Pistonheads did a full review of their CSR ultimate-road-going-997 and rated it exceptionally highly. They're a relative newcomer in terms of Porsche modifiers but going down a storm.

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Well in any case I've spoken to RPM Technik and I plan to go up to Hertfordshire on Tuesday to take a look at it in person. To be honest the price is higher than Getty and Misha but the service is just exceptional. Barring any major problems, I'm pretty confident I will buy from RPM Technik.

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I've been talking to someone at RPM Technik for the past couple days, I'm close to getting the ducktail like you recommended sivis, but the problem is I can't seem to find any reviews or anything online regarding their products.

Pistonheads did a full review of their CSR ultimate-road-going-997 and rated it exceptionally highly. They're a relative newcomer in terms of Porsche modifiers but going down a storm.

Just got back from RPM Technik about the ducktail for my 997 and now I'm thinking of getting my exhaust from them too. Darren took me on a tour of the place, counted something like 30+ Porsches from the 911 Classic Targa to the 997 Turbo S. He was nice enough to take me for a blast down some beautiful backroads in their CSR. Also very accommodating when we got to the issue of shipping. I'm going to try to buy as many parts as I can off my list from RPM Technik.

 

user posted image

user posted image

 

EDIT: oops, sorry for double post. didn't notice i was the last poster.

Edited by Outcast

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Always good to hear about old fashioned brilliant customer service from specialists.

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Always good to hear about old fashioned brilliant customer service from specialists.

Thanks for the recommendation Sivis, couldn't be happier.

 

Also I'd just like to revise my earlier number of seeing 30+ Porsches. Thinking back they actually had closer to 50, all different generations. Would've loved to have taken more pictures but thought it a bit rude.

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  • 5 months later...

Sorry for the bump and double post but I thought I'd bring this back as I've just started on the mods for real now.

 

As I've said in the Car Talk Topic I've ordered a set of 19" Work Wheels Brombacher Porsche Mesh Step Lip + Michelin Pilot Sports. Ducktail is in the works but I haven't heard back from RPM Technik in a couple weeks so still seeing where thats at regarding shipping and whatnot.

 

I'm ordering a new exhaust this week. Going to go with Sharkwerks Centre Muffler Bypass coupled with a set of Fabspeed Maxflo mufflers. Still waiting to hear back if everything will be compatible, and if it's all good then order will be placed before Friday and exhaust items should arrive in another week or so.

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please tell me you're taking before and after videos on the exhaust install.

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yes that would be awesome.

 

I don't suppose you're going to visit a dyno when all is said and done?

see exactly how much power you've gained.

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I don't know about going to a dyno as I haven't ever seen one around here before. I wouldn't say it's high on my list of priorities but if I do happen upon one then I don't see why not.

 

Right now I'm worried about the loss of low end torque once I've fitted an aftermarket exhaust. Is there any way I can get back the low end torque through other mods?

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I doubt you'll lose torque outright. Maybe there would be a drop-off in low-end torque compared to the increase in power but the difference should be incredibly minor.

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Right now I'm worried about the loss of low end torque once I've fitted an aftermarket exhaust. Is there any way I can get back the low end torque through other mods?

Unless you swapped out the manifold, aftermarket exhaust should cause no loss of low end torque. Absolutely everything behind the manifold is going to reduce back pressure across the RPM range. Even if the muffler is designed to operate better at high RPM, it won't do worse than stock at the low RMP. A manifold designed for higher RPM, on the other hand, can result in a bit more back pressure at the low end. Only way to offset that is to reduce drag on the intake, which basically means going with the short ram or cold air intake. Won't make much difference on low end, but neither does exhaust, so it's enough to offset any losses. And if you didn't touch the manifold, then there are no losses to worry about.

Prior to filing a bug against any of my code, please consider this response to common concerns.

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  • 3 weeks later...

Thanks for the info, and just to clarify, when you say manifolds I'm assuming thats the exhaust headers? Anyway I've gone ahead and ordered up the parts and they've been shipped today. Just got the FedEx tracking numbers from Fabspeed. Initially I wanted to go with a Tubi exhaust but it was pretty expensive and on the 6speed Porsche forums a lot of members seemed to have good things to say about Fabspeed. It should be good enough for me but if it isn't then I'll probably switch them out for a set of Tubis.

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Thanks for the info, and just to clarify, when you say manifolds I'm assuming thats the exhaust headers?

Yep, these bits.

 

OasmFQd.jpg

9H7Sj34.jpg


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I just spent an hour sitting by the pond with my dog looking at my car and I've come to the conclusion that I'm going to probably need some lowering springs and spacers to give the car the look I want. Also need a front splitter to go with the ducktail. By my estimates I'm going to be sinking $10k easily into mods. :cry:

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I just spent an hour sitting by the pond with my dog looking at my car and I've come to the conclusion that I'm going to probably need some lowering springs and spacers to give the car the look I want. Also need a front splitter to go with the ducktail. By my estimates I'm going to be sinking $10k easily into mods. :cry:

Are you still thinking about getting the Lambo?

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No, I've decided to wait for prices to drop before I get one. Otherwise I'm just going to regret it in a year or two when I see how cheap I could have gotten an LP560 for if only I had been patient.

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