Kartboy Short Throw Shifter 6MT Subaru STI 2004-2021

Rated 5.0 out of 5
Based on 12 reviews
SKU: kbyKB-20-STi
Availability: 23 In Stock Learn more
Type: Interior Short Shifters
Regular price
$180.00
Regular price
$180.00
Sale price
$180.00
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Subtotal: $180.00

Delivery Options:

  • Economy $4.97
  • 2 Days or Less $6.95
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Next Day Delivery Eligibility
  • Order in-stock items before 3:30 PM EST with 'Fastest' delivery for next-day arrival.
  • Orders from Friday to Sunday arrive by the following Tuesday.

Delays can happen. Contact us if your order doesn't arrive on time for a $20 credit on your next purchase. Minimum order must be $99

Part #: KB-20-STi

For you Subaru STI owners looking for improvements in the shifter throw, the Kartboy unit will reduce movement by 40% providing a noticeable difference and a solid feel. Also note that your shift knob height will be reduced by 1” as well. Constructed from CNC and TIG welded 4130 Cr-Mo steel, these can be installed on average about 30 minutes with simple hand tools.



average rating 5.0 out of 5
Based on 12 reviews
  • 5 Stars
    12 Reviews
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  • 3 Stars
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92% of reviewers would recommend this product to a friend
Customer photos and videos
Review posted
Reviewed by robert j.
Verified Buyer
Rated 5 out of 5

Kartboy STI shortshift

Great addition 2 the daily drive. Love the short throw between gears. Noticeably smaller then the oem shifter...about an inch different. Easy sit down install.

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Reviewed by Jason T.
Verified Buyer
Rated 5 out of 5

KARTBOY short throw shifter

Amazing product , really a big improvement from the factory shirt throw ! No slop inch shorter going into gear/gears haven’t felt more smoother , 30 min install thank you iir !!

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Review posted
Reviewed by Jason
Rated 5 out of 5

5 Stars

Best purchases rid of sloppy play in the shifter! Import racing and their team and kartboy thank you for the help , support for the Subaru community , fast shipping and great feed back !

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Reviewed by Jansen D.
Verified Buyer
Rated 5 out of 5

Kartboy STS

Amazing shifter. Took about 45 minutes to install and feels great. “Clicks” into gear and eliminated a lot of the slop. Only regret is I should have purchased the Kartboy full kit with rear bushings. Great product and highly recommend.

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Reviewed by Nick C.
Verified Buyer
Rated 5 out of 5

There's a reason why this is the one everyone gets.

I replaced my Cobb short shifter with the Kartboy. Shifts are much more satisfying and crisp. One of the best upgrades you can do.

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Reviewed by Ian W.
Verified Buyer
Rated 5 out of 5

best shifter out there

for a subaru it doesnt get any better than the original kartboy. feels great and is USA made from a real enthusiast

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Reviewed by Mike K.
Verified Buyer
Rated 5 out of 5

Beautiful piece

Super fast shipping, as always.. thanks IIR team!

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Reviewed by Gino
Verified Buyer
Rated 5 out of 5

Kartboy shortshifter

at first i didn’t think it was that short when I was shifting in my driveway, then i drove it, crazy short and makes a satisfying click

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Reviewed by cato, from United States
Rated 5 out of 5

20 sti

fast delivery and it is way better than the sti short shifter.

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Reviewed by chantz v., from United States
Rated 5 out of 5

FEELS GREAT

The throw is significantly decreased and there is a much notchier feel to it. overall i would recommend this shifter to anyone along with the kartboy bushings.

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