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04-05-2018, 01:24 PM | #1 |
NASIOC Vendor
Member#: 141043
Join Date: Feb 2007
Chapter/Region:
MWSOC
Location: Cottage Grove, MN
Vehicle:2011 STI black af |
MAPerformance 15+ STi Hot Parts & Stage 2 Package Is HERE
We are excited for the official release of the MAPerformance Stage 2 Performance Package which, when combined with the MAPerformance Stage 2 OTS Tune, is a very powerful performance upgrade! Throughout the R&D, testing and calibration phases of this 2015+ STI platform, we have been thoroughly impressed with the performance gains with each hardware modification adding significant power, torque and agility. Better yet, the hardware was designed to support considerably higher power levels so no worries about future upgrades; these performance parts support all the power you'd like to make with any bolt-on turbo upgrade and related modifications!
When comparing the MAP Stage 2 package to a stock STI with the MAP Stage 1 OTS Tune, there are many advantages far beyond the improved sound and raw power. Not only are the power and torque gains inherently impressive, but it's also important to note how much less work required from the turbo and less stress on the engine to achieve the higher power levels. Below we'll look at some of the key benefits and advantages the Stage 2 hardware combined with the Stage 2 Tune. MAP DOWNPIPE UPGRADE (MAP STI-4G-DP) When the turbo compresses exhaust gas, its forced through a narrow OEM downpipe on its way through your exhaust system. This narrow pipe creates back pressure & reduces exhaust flow leaving your car short of its true power potential. MAPerformance has crafted the perfect solution to unleash this power and is proudly offering it to the eager 15+ Subaru STI market. Designed to last a lifetime, the MAPerformance 2015 - 2018 STi Downpipes are available with a high flow race catalytic converter, an optional GESI cat or in a catless version for those customers without any restrictions on emissions. Built in-house from 3" mandrel bent 304SS piping our semi-divided head pipe maximizes exhaust flow and helps to eliminate unwanted boost creep. Utilizing a thick 1/2" stainless steel turbo outlet flange, high-quality interlocking lined stainless steel flex section and sporting an additional O2 bung, this sti downpipe has been designed to outperform & outlast our competitor's offerings at a price point that won't break the bank. Features: Semi divided head pipe to maximize flow and eliminate boost creep! Divorced wastegate dump tube to increase turbine flow 1/2 thick stainless turbo outlet flange Extra o2 bung and plug Made from 304 stainless steel for superior corrosion resistance and enhanced appearance Mandrel bent tubing throughout optimizes exhaust flow Stainless steel flex section reduces stress from engine movement increasing longevity Designed to be used with your OEM turbo outlet gasket 100% Made in the USA MAP AIR INTAKE KIT W/ HEAT SHIELD (MAP STI-4G-IN) MAPerformance is proud to offer our USA Made cold air intake kit specifically for the EJ powered 15-17 STI. Like all MAP products, we've spent countless hours to design, test and build what we believe is the best all around 15+ STI air intake offering. Not only does this intake produce proven power gains it does it without breaking the bank, and that's not all. Pop the hood on your 2015-2017 Subaru STi and people are sure to notice your MAPerformance cold air intake system! Sporting a large 6" high flow Green Filters Air Filter with a raw stainless steel or wrinkle black coated finish, the question "are you stock" will be a thing of the past! During the design phase of this intake, we paid close attention to details to ensure customers get the most bang for their buck, like using 304ss & including a unique velocity stack. Your Subaru STI intake kit will feature a full 3" mandrel bent intake pipe for maximum velocity and charge potential. This design combined with our in-house manufacturing processes ensures a seamless transition of intake air flow beginning at the 6" high-flow cone air filter, flowing smoothly through our proprietary velocity stack and directly feeding your turbo inlet. Features: Full 3" tubing design reduces restrictions Made from 304 stainless steel for superior corrosion resistance and enhanced appearance Mandrel bent tubing throughout optimizes intake flow Velocity stack for increased airflow Made in the USA COMBINE IT ALL AND UNLEASH MAXIMUM POWER WITH MAP STAGE 2 PACKAGE Features: Capable of 331whp/347wtq (+59whp/+58wtq over STOCK!) 304 Stainless Steel Components 100% Mandrel Bent Piping 3" Piping For Improved flow Fully Tig Welded and Back-purged USA MADE We have what everyone wants to see! Dyno Graphs! Below we have our stock 2017 STi pull vs. MAP stage 1 OTS tunes (91 and 93 octane) as well as the MAP Stage 2 Kit (also 91 and 93). MAP OTS Stage 1 Tune (FREE with Accessport Purchase) VS Stage 2 Power Package (91 and 93 octane): STi Stage 2 Sound Clips and Review: These parts are currently in production and we are looking for a few select people for beta testing! Anyone interested will get a substantial discount on the Stage 2 kit, for third party feedback. PM me if you are interested! Please feel free to ask any questions! Email: [email protected] Ian with MAPerformance
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Last edited by maperformance; 04-05-2018 at 02:51 PM. |
04-05-2018, 01:46 PM | #2 |
NASIOC Vendor
Member#: 141043
Join Date: Feb 2007
Chapter/Region:
MWSOC
Location: Cottage Grove, MN
Vehicle:2011 STI black af |
NOTE: We are looking for some beta testers for the Stage 2 kit. Anyone interested will get a substantial discount on the Stage 2 kit, for third party feedback. PM me if you are interested!
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04-05-2018, 10:35 PM | #3 |
Scooby Newbie
Member#: 471078
Join Date: Jul 2017
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Hey Ian,
I would love to test this kit out and leave some feedback! I will send you a PM in regards to it, Kent |
04-06-2018, 08:58 AM | #4 |
NASIOC Vendor
Member#: 141043
Join Date: Feb 2007
Chapter/Region:
MWSOC
Location: Cottage Grove, MN
Vehicle:2011 STI black af |
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04-06-2018, 11:16 AM | #5 |
Scooby Newbie
Member#: 484100
Join Date: Apr 2018
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PM’d. Interested
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04-12-2018, 03:35 AM | #6 |
Scooby Newbie
Member#: 72938
Join Date: Oct 2004
Chapter/Region:
MWSOC
Location: Chicago area
Vehicle:16 STI Black |
Luv to test this out. I know how nice your evo parts so I'm so down to test 4 u.
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04-12-2018, 08:28 AM | #7 |
NASIOC Vendor
Member#: 141043
Join Date: Feb 2007
Chapter/Region:
MWSOC
Location: Cottage Grove, MN
Vehicle:2011 STI black af |
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04-19-2018, 09:32 AM | #8 |
NASIOC Vendor
Member#: 141043
Join Date: Feb 2007
Chapter/Region:
MWSOC
Location: Cottage Grove, MN
Vehicle:2011 STI black af |
Got all the beta spots filled up! Thanks everyone for participating. These should be shipping out soon, along with the tunes. Feel free to provide any feedback in this thread.
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05-21-2018, 11:50 AM | #9 |
Scooby Newbie
Member#: 483704
Join Date: Mar 2018
Vehicle:2015 STI WRB |
I just installed this kit and flashed the v1.02 tune file. I had to pick up an o2 sensor port plug from advanced since I wasn't using a wideband and initially installed the intake backwards (DOH!). Other than that the install went smoothly. I made sure to use PB blaster on ALL of the exhaust bolts the night before to ensure they would all come out fine. I mainly used other diy write ups on downpipe installs along with some YouTube videos ***55357;***56841;.
The car sounds AMAZING. You can really hear the turbo spool up and dump pressure. The car also feels A LOT quicker in the higher RPM range. There is some minor backfiring after letting off the accelerator at lower RPM. I'll be sending Ian a log as soon as I get back from a business trip this week to make sure everything is running as intended. DAM stays at 1, fine knock hit 1.40 which seems fine. Overall definitely worth the investment and I highly recommend this kit. I'm using the catless downpipe and oh man does it sound awesome! |
05-22-2018, 09:01 AM | #10 | |
NASIOC Vendor
Member#: 141043
Join Date: Feb 2007
Chapter/Region:
MWSOC
Location: Cottage Grove, MN
Vehicle:2011 STI black af |
Fantastic! Thanks for the feedback!
Quote:
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02-05-2021, 08:31 AM | #11 |
Scooby Newbie
Member#: 510500
Join Date: Jan 2020
Location: Western Massachusetts
Vehicle:2018 STI Dark grey |
Does stage 2 work without fuel system upgrades?
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12-26-2022, 09:12 AM | #12 |
Scooby Newbie
Member#: 532620
Join Date: Dec 2022
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I know this is late. But I just installed this package a few days ago. AFR stays solid, car definitely feels way more quicker....
With that said, I did over boost once, even though they claim their downpipe eliminates boost creep. Not a fun feeling... I've reached out to them to see if their tuner can address this, also I find it odd there are no map notes, I don't even know what the max boost is. As for knock, DAM so far has never went below one, I have seen Feedback knock hit -2.8 on a few occasions though, mostly all knock monitors stay at zero, so I don't worry too much. But that boost creep is a concern (major). Now I will say this, when I exceeded the boost threshold hold I was doing a WOT pull in 4th in 18 degree weather. Don't know if that's a factor. For the most part I'm a conservative driver, and rarely go about 11 to 12lbs of boost. Maybe they will get back in touch this week, I know they've been closed for the holidays. |
12-26-2022, 10:59 AM | #13 |
Scooby Newbie
Member#: 531555
Join Date: Sep 2022
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Fueling concerns have prevented me from installing the downpipe and re-flashing for stage 2 as I already am occasionally hitting 100% injector duty cycle on stage 1. I wish MAP would offer an OTS tune that included fuel upgrades. This would make me much more comfortable moving beyond stage 1. My next move will likely be to upgrade fueling, 3 port EBC, and a pro tune instead of simply bolting on the downpipe and flashing.
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