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Customer Reviews

Metra 99-9721 Dash Kit

Metra 99-9721 Dash Kit Install a new car stereo in 2015-17 Polaris Slingshot models — single- or double-DIN radios (Black)

MFR # 99-9721

2.5 out of 5 stars
3 reviews
View this product
Metra 99-9721 Dash Kit

Edward from Carson City, NV on 5/21/2025

2015 Polaris Slingshot

Verified customer (What's this?)
Verified employee review (What's this?)

kit is flimsy and doesnt line up well with dashboard. no adhesive came with felt strips. And kit was missing 4 screws..

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Crutchfield response on 5/28/2025
Once we saw this review, our Tech Support specialist, JC, reached out to Edward to help. Whenever you encounter a problem with anything you purchase from Crutchfield, please contact our Tech Support team right away. Lifetime tech support comes with every Crutchfield purchase.

0 of 0 found this helpful

Slingshot stereo upgrade

Laurie from GALT, CA on 7/6/2022

2016 Polaris Slingshot

Verified customer (What's this?)
Verified employee review (What's this?)

A decent kit to fit aftermarket devices into the Slingshot. Instructions were not very clear but the puzzle did come together after examining all of the parts.

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Crutchfield response on

1 of 1 found this helpful

Metra 99-9721 Dash Kit

Crutchfield customer from Sugarcreek , OH on 2/11/2019

2015 Polaris Slingshot

Verified customer (What's this?)
Verified employee review (What's this?)

Unfortunately this kit is for a Slingshot with a factory system and mine is a base model so it doesn't have all the brackets I needed. How ever I have ordered speakers and a new head unit that I am in the process of installing, haven't had a chance to hear it or get pics, will send when when finished.

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Crutchfield response on

0 of 1 found this helpful

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