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2" Shift Knob Extender - 6-Speed WRX/STI Fitment

These shift knobs extenders are a necessity for comfortable and ergonomic shifting. The added height allows for a shorter reach from the steering wheel to the shift knob and also allows for more leverage when shifting. These extenders perform even better with an installed short shifter!

Each Extender is CNC machined, polished, and anodized for a perfect, scratch-resistant finish.

Confirmed fitment for 6-Speed Subaru’s (includes proper clearance for factory reverse lockout).

Customer Reviews

Based on 19 reviews
100%
(19)
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(0)
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Z
ZR
Makes me laugh and functional

When I first got it and put it on it made me laugh every time I got in the car because it just looked so funny. I felt like a trucker with those huge shifters. But when I started to drive… my transmission has had problems (Scion FR-S, first gen BRZ problems), but I felt like a little more leverage helped just to get the damn thing into gear better. It was really enjoyable to drive with the stock shifter. It just felt good. I don’t really know how to describe it. Not sure how the 4 inch feels like, but to me the 2 inch has the correct height. (But if I had a friend with the 4 inch, I would try it immediately for the laughs.) The car is always fun to drive, but it freshened her up a bit. I wish I would have bought this sooner. But now I have on the Billetworkz short throw shifter… but you’ll have to wait for that review.

Overall: It looks great, makes the shifts feel good (maybe objectively, maybe subjectively), and it still makes me giggle when I “wake up” and go “oh yeah, this thing looks ridiculous and it’s fantastic”. Definitely worth the buy. It earns 5 stars with ease.

(Note: the picture is with the stock shifter. In my short shifter review, whenever that will be, I’ll post the picture with the red lockout on. Spoiler alert: it’s pretty damn sexy)

A
Anthony Maldonado
Wish I came here first

I have tried numerous shift knobs and multiple height variations. Wish I would have tried this extension first, would have saved me a lot of money in knobs. I have the factory short throw shifter, with Group N rear mount and Kartboy front mount. I have paired the assembly with the optional factory delrin knob and 2" extension and wow. You get the crisp shifts still while have that bit more leverage. Something often overlooked, but I am 6'3" and I need to sit further back. You need that extra reach on the shifter but you don't want too much extra that makes it feel like shifting mush. This 2" extension bridges that gap beautifully.

Z
Zander
Must buy!!

I've had the full Billetworkz short throw shifter kit installed in my car for about three months. This extender is an absolute game changer! I wish I would have bought it right away... Looks awesome and makes my shifts feel smooth as butter! 100% would recommend!

S
Sean R
Quality

Amazing product, perfect fit and finish!

S
Sean R
Quality product!

Perfect fit and finish, looks like it came factory in my 2021 wrx. Must have option if you’re tired of hitting drinks in cup holders while shifting. Billetworkz never disappoints!

Customer Reviews

Based on 19 reviews
100%
(19)
0%
(0)
0%
(0)
0%
(0)
0%
(0)
Z
ZR
Makes me laugh and functional

When I first got it and put it on it made me laugh every time I got in the car because it just looked so funny. I felt like a trucker with those huge shifters. But when I started to drive… my transmission has had problems (Scion FR-S, first gen BRZ problems), but I felt like a little more leverage helped just to get the damn thing into gear better. It was really enjoyable to drive with the stock shifter. It just felt good. I don’t really know how to describe it. Not sure how the 4 inch feels like, but to me the 2 inch has the correct height. (But if I had a friend with the 4 inch, I would try it immediately for the laughs.) The car is always fun to drive, but it freshened her up a bit. I wish I would have bought this sooner. But now I have on the Billetworkz short throw shifter… but you’ll have to wait for that review.

Overall: It looks great, makes the shifts feel good (maybe objectively, maybe subjectively), and it still makes me giggle when I “wake up” and go “oh yeah, this thing looks ridiculous and it’s fantastic”. Definitely worth the buy. It earns 5 stars with ease.

(Note: the picture is with the stock shifter. In my short shifter review, whenever that will be, I’ll post the picture with the red lockout on. Spoiler alert: it’s pretty damn sexy)

A
Anthony Maldonado
Wish I came here first

I have tried numerous shift knobs and multiple height variations. Wish I would have tried this extension first, would have saved me a lot of money in knobs. I have the factory short throw shifter, with Group N rear mount and Kartboy front mount. I have paired the assembly with the optional factory delrin knob and 2" extension and wow. You get the crisp shifts still while have that bit more leverage. Something often overlooked, but I am 6'3" and I need to sit further back. You need that extra reach on the shifter but you don't want too much extra that makes it feel like shifting mush. This 2" extension bridges that gap beautifully.

Z
Zander
Must buy!!

I've had the full Billetworkz short throw shifter kit installed in my car for about three months. This extender is an absolute game changer! I wish I would have bought it right away... Looks awesome and makes my shifts feel smooth as butter! 100% would recommend!

S
Sean R
Quality

Amazing product, perfect fit and finish!

S
Sean R
Quality product!

Perfect fit and finish, looks like it came factory in my 2021 wrx. Must have option if you’re tired of hitting drinks in cup holders while shifting. Billetworkz never disappoints!