Installed Power Steering Plus
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Joined: Jan 2024
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From: Greenville, SC
Installed Power Steering Plus
I had the dealer install PSP on my 991S. It took three visits to the dealer to do it but they finally got it working. Only charged me $250 since I had to bring in my car three times. I had PSP a while back on my 2013 Boxster and when I got the 991 without it the steering seemed very heavy at slow speeds. I read lots of comments pro and con but decided to get it. I'd like to dispel some of the rumors/comments I read:
1. Makes your 911 feel like a Lexus. Total BS! It adds some assist at slow speed but doesn't change the feel of the steering beyond that.
2. PSP is for weak people with arm problems. While this will help those people it makes the car easier to maneuver at slow speed in tight situations. Who wouldn't want that?
I'm much happier with my car and glad I got it. Would I have gotten it if it cost $2,000...probably not, but for $500 software fix its definitely worth it to me. If you do it and don't like it you can uninstall it, but I doubt you will.
1. Makes your 911 feel like a Lexus. Total BS! It adds some assist at slow speed but doesn't change the feel of the steering beyond that.
2. PSP is for weak people with arm problems. While this will help those people it makes the car easier to maneuver at slow speed in tight situations. Who wouldn't want that?
I'm much happier with my car and glad I got it. Would I have gotten it if it cost $2,000...probably not, but for $500 software fix its definitely worth it to me. If you do it and don't like it you can uninstall it, but I doubt you will.
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You can have someone with PIWIS code it for you. Find your someone local at your PCA club. For reference https://rennlist.com/forums/718-gts-...l#post19612893
Race Car
Joined: Mar 2013
Posts: 4,424
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From: Northern Virginia
I have had it on all three 991s that I have owned. Best thing since sliced bread and an option that will be valued decades from now by collectors. Name another option that will let you autocross with your pinky finger? Truly a game changer. 
* It is nice to have at low speeds, like maneuvering around a parking lot.
* It is nice to have at low speeds, like maneuvering around a parking lot.
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From: Portland, Oregon
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Drifting
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PSP drives me nuts coming from 4 911s without it. Totally numbs the steering feel. Cruising on the highway is where it bothers me the most. You have to try hard to keep your car from swaying within the lanes.
Hope my dealer can delete it. Its far too assisted. Worse than a cadillac.
Hope my dealer can delete it. Its far too assisted. Worse than a cadillac.
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From: New York
PSP drives me nuts coming from 4 911s without it. Totally numbs the steering feel. Cruising on the highway is where it bothers me the most. You have to try hard to keep your car from swaying within the lanes.
Hope my dealer can delete it. Its far too assisted. Worse than a cadillac.
Hope my dealer can delete it. Its far too assisted. Worse than a cadillac.
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Burning Brakes
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Race Car
Joined: Mar 2013
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From: Northern Virginia
Standard Power steering Plus is a speed sensitive power steering system. At high speeds, the steering firms up and responds with greater precision, while steering comfort remains outstanding. At low speeds, the steering ratio adjusts for easy maneuvering and parking.
Three Wheelin'
Joined: Jul 2007
Posts: 1,808
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From: MA -
PSP drives me nuts coming from 4 911s without it. Totally numbs the steering feel. Cruising on the highway is where it bothers me the most. You have to try hard to keep your car from swaying within the lanes.
Hope my dealer can delete it. Its far too assisted. Worse than a cadillac.
Hope my dealer can delete it. Its far too assisted. Worse than a cadillac.
Rennlist Member
Joined: Jun 2021
Posts: 680
Likes: 341
From: Winchester MA
It does not provide extra assist at speed. Only at low speeds, i.e. parking lot.
The steering is still quite firm at highway speeds.
Having to muscle the steering wheel while parking is not something I miss from my cars from the '80s.
The steering is still quite firm at highway speeds.
Having to muscle the steering wheel while parking is not something I miss from my cars from the '80s.