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  1. #1
    Veteran Member Four Rings RLB6's Avatar
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    '18 S5 SB // '05 MV Agusta F4-1000
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    MD

    Intercooler Review: Rev9

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    I've seen a few posts regarding the Rev9 intercooler option for the B9 S4/5 (I, myself, have brought it up as well) and even a few posts where some mentioned making the purchase. Well, I thought to give a very quick and high level review of the product, why I chose it, the install, and show the results/improvements over the factory intercooler in a FAQ/Q&A -ish fashion. Here we go....

    Why did I purchase the product?

    Mandatory: if you're going beyond the factory tune. Any option besides the OEM unit will most likely yield better results. Nearly 100% of the time. Heat soak is not your friend.
    Size: It is roughly the same size as the other offerings from AWE,APR,IE, etc. I believe the only unit aftermarket unit that is smaller is the CTS unit and perhaps the ECS unit
    Design: It's the only option, besides the Wagner unit (which this unit's design maybe nearly and entirely based off) that is anodized in black for a stealth look. Granted the other options look great and show off nicely behind the grille but I wanted something that could easily hide in the shadows. Built-in internal louvers that direct airflow even throughout the core. Only one downside is that it's core is also offset towards the passenger side as the CTS unit but since it's black and hides almost completely, you would never know.
    Price: At $349, why not???

    The install:

    Pretty straightforward and involves the usual steps - which is good cause this unit does not come with any installation instructions. Couldn't find anything online either. Anyways, the procedure:

    1. Remove the bumper
    2. Remove the crash bar
    3. Remove inlet and outlet intercooler pipes.
    4. Remove the OEM intercooler
    5. Install Rev9 unit in its place
    6. Secure the intercooler to the crash bar bolts using the supplied brackets
    7. Attach the intercooler pipes and tighten the hose clamps
    8. Button everything back up

    Some comparison photos to the OEM unit:










    The results:

    Data points:
    Ambient temps: 92F
    JB4 with BCM
    Custom map (Map 6)
    E40 (e85/93) mix - a bit too much e85 in the mixture which caused a slightly higher fuel trim reading


    Current: '18 S5 | SportBack | Prestige

    Previous: S4 | Stage ++ | PLM


  2. #2
    Established Member Two Rings ywang98's Avatar
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    Nov 02 2018
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    Orange County, California

    Thanks for the quick review. I think this is what I will go with when I am ready.

  3. #3
    Established Member Two Rings Jezek's Avatar
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    Jul 10 2017
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    402560
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    CT

    Nice! Do they make it in silver? Cause I love how it looks behind the grille...
    ______________
    IG: @esfoquattro

  4. #4
    Veteran Member Four Rings RLB6's Avatar
    Join Date
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    '18 S5 SB // '05 MV Agusta F4-1000
    Location
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    Black only. If you get a FMIC in silver, make sure you stay away from the CTS unit as it's off centered.

    Current: '18 S5 | SportBack | Prestige

    Previous: S4 | Stage ++ | PLM


  5. #5
    Senior Member Two Rings Mr. Three's Avatar
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    Nov 27 2012
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    Aptos, California

    Dude that actually looks pretty good! I thought this intercooler would have some hidden downfall but it looks like the IATs are good!
    2018 Audi S4 Premium Plus / Nav / Black Optic / S Sport / Fine Nappa / Carbon / EMD Springs / EMD Rear Bar / ECS 10 / 12.5 mm spacers / ECS Transmission Mount / Painted Markers / Laminex Rear Smoked Reflectors / Hardwired V1 / DT Tuning Box
    Cars of the past: 83 A1 GTI / 83 Callaway stage 2 A1 GTI / 86 951 Turbo Porsche Autothority K-27 / 98 Dinan M3 / 95 3.2 OBD1 M3 / 02 E39 M5 / 88 E28 528i / 08 RS4 / 13 S5 / 14 S5 / 15 S5 GIAC Stage 2 / 16 APR tuned S6 /
    01 996 911 Turbo ByDesign Stage 4

  6. #6
    Veteran Member Four Rings RLB6's Avatar
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    Sep 20 2006
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    My Garage
    '18 S5 SB // '05 MV Agusta F4-1000
    Location
    MD

    Quote Originally Posted by Mr. Three View Post
    Dude that actually looks pretty good! I thought this intercooler would have some hidden downfall but it looks like the IATs are good!
    I'm definitely satisfied with all aspects - quality, fitment, performance.

    Current: '18 S5 | SportBack | Prestige

    Previous: S4 | Stage ++ | PLM


  7. #7
    Senior Member Two Rings Mr. Three's Avatar
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    Nov 27 2012
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    104855
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    Aptos, California

    Thanks for being the guinea pig!
    2018 Audi S4 Premium Plus / Nav / Black Optic / S Sport / Fine Nappa / Carbon / EMD Springs / EMD Rear Bar / ECS 10 / 12.5 mm spacers / ECS Transmission Mount / Painted Markers / Laminex Rear Smoked Reflectors / Hardwired V1 / DT Tuning Box
    Cars of the past: 83 A1 GTI / 83 Callaway stage 2 A1 GTI / 86 951 Turbo Porsche Autothority K-27 / 98 Dinan M3 / 95 3.2 OBD1 M3 / 02 E39 M5 / 88 E28 528i / 08 RS4 / 13 S5 / 14 S5 / 15 S5 GIAC Stage 2 / 16 APR tuned S6 /
    01 996 911 Turbo ByDesign Stage 4

  8. #8
    Active Member Two Rings LaZyB0ne's Avatar
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    Mar 16 2019
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    464114
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    San Diego, CA

    Nice! Thanks for the write up and logs!

    I hope to get mine installed early next week.

    Any chance you captured any before logs?

  9. #9
    Veteran Member Four Rings RLB6's Avatar
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    Sep 20 2006
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    My Garage
    '18 S5 SB // '05 MV Agusta F4-1000
    Location
    MD

    Welcome and no, no logs beforehand. Was anxious to get this installed after seeing other installs and results from more of the bigger players with significantly more expense products in the game. I'd say the Rev9 units are right there with them.

    Current: '18 S5 | SportBack | Prestige

    Previous: S4 | Stage ++ | PLM


  10. #10
    Active Member One Ring S3gaz's Avatar
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    Jun 19 2019
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    494143
    Location
    England

    Nice work mate well done looks a good peace of kit. guess there has been no back to back tests on these units u mention with it been so early in the B9 tuning game.


    Sent from my iPhone using Tapatalk

  11. #11
    Senior Member Three Rings
    Join Date
    Aug 31 2011
    AZ Member #
    80609
    My Garage
    17 Audi Q7 Prem+
    Location
    Blue Bell, PA

    Show us some back to back runs.

  12. #12
    Established Member Two Rings samwisemueller's Avatar
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    Nov 12 2007
    AZ Member #
    22509
    My Garage
    '18 S4, '18 Tiguan
    Location
    Alexandria, VA

    Does this unit have the inlet fins in the end tanks to direct flow into the upper portions of the intercooler? If not I would think that the improvements may not be measured as highly as the higher dollar units since it would still be pushing the air across the bottom of the unit. Just my non-engineering background thinking out loud...

  13. #13
    Established Member Two Rings samwisemueller's Avatar
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    Nov 12 2007
    AZ Member #
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    My Garage
    '18 S4, '18 Tiguan
    Location
    Alexandria, VA

    Oops, just saw that you mentioned there were some fins inside..

  14. #14
    Veteran Member Four Rings bhvrdr's Avatar
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    Jul 21 2004
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    South Florida

    Curious what is the iat measued in? It seems like it's flatlined at "11"? What is 11?

    Thanks
    Mike

    2013 Audi S5 DSG - Unitronic ECU & TCU, 3.17pr, Revo Hx, 74mm TB, S4Matty Ported Blower
    11.07 at 123.62mph - draggy - 93 octane - (-407ft DA)

    2010 Audi A4 Avant - Unitronic Tuned - Stock Hardware
    13.665 at 97.71mph - 93 octane - +1250DA
    --------------------------Gone------------------------
    '13 S5 -- '16 A6 -- '15 S4 -- '09 A4 -- '04 S4 -- '06 A4 -- '03 A4 -- '00 A4

  15. #15
    Senior Member Three Rings HurrayFive's Avatar
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    Seattle

    Quote Originally Posted by bhvrdr View Post
    Curious what is the iat measued in? It seems like it's flatlined at "11"? What is 11?

    Thanks
    Mike
    True IAT is 10^2 of the graph numbers in this case, floating around 100-110F, which is pretty solid for 92F ambient. I hit 150F+ on the stock intercooler in 55F ambient weather after a few track runs.

    2019 P+ SQ5 - 13.00 @ 105MPH
    2017 Colorado V6 Z71 4x4 - SOLD
    2018 P+ S4 - SOLD
    2015 P+ S3 - SOLD
    2013 Premium A5 - SOLD

  16. #16
    Veteran Member Four Rings bhvrdr's Avatar
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    Quote Originally Posted by HurrayFive View Post
    True IAT is 10^2 of the graph numbers in this case, floating around 100-110F, which is pretty solid for 92F ambient. I hit 150F+ on the stock intercooler in 55F ambient weather after a few track runs.
    That makes sense now thanks. Yes thats awesome for those ambient temps. Fantastic

    Sent from my SM-G935V using Tapatalk

    2013 Audi S5 DSG - Unitronic ECU & TCU, 3.17pr, Revo Hx, 74mm TB, S4Matty Ported Blower
    11.07 at 123.62mph - draggy - 93 octane - (-407ft DA)

    2010 Audi A4 Avant - Unitronic Tuned - Stock Hardware
    13.665 at 97.71mph - 93 octane - +1250DA
    --------------------------Gone------------------------
    '13 S5 -- '16 A6 -- '15 S4 -- '09 A4 -- '04 S4 -- '06 A4 -- '03 A4 -- '00 A4

  17. #17
    Senior Member Three Rings HurrayFive's Avatar
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    Jul 21 2013
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    Seattle

    Quote Originally Posted by bhvrdr View Post
    That makes sense now thanks. Yes thats awesome for those ambient temps. Fantastic

    Sent from my SM-G935V using Tapatalk
    NP! The Forge and Wagner units (also anodized black) have both been installed in and shown to fit a B9 SQ5 without any trouble but are each 3x as expensive, might have to be the guinea pig for this one for $350!

    2019 P+ SQ5 - 13.00 @ 105MPH
    2017 Colorado V6 Z71 4x4 - SOLD
    2018 P+ S4 - SOLD
    2015 P+ S3 - SOLD
    2013 Premium A5 - SOLD



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