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Matthew K.
Verified Buyer
5 star rating 09/27/19
Easy install. Sounds amazing!!
Review by Matthew K. on 27 Sep 2019 review stating Easy install. Sounds amazing!!
Easy install. Sounds amazing!!
Amber J.
Verified Buyer
5 star rating 07/06/19
Works great and awesome sound
Review by Amber J. on 6 Jul 2019 review stating Works great and awesome sound
Works great and awesome sound can definitely tell a difference
Josue C.
Verified Buyer
5 star rating 06/28/19
great
Review by Josue C. on 28 Jun 2019 review stating great
great
James B.
Verified Buyer
5 star rating 07/08/18
Love it
Review by James B. on 8 Jul 2018 review stating Love it
Love it
Felix K.
Verified Buyer
5 star rating 08/28/17
PERFECT
Review by Felix K. on 28 Aug 2017 review stating PERFECT
PERFECT
Andrew S.
Verified Buyer
5 star rating 08/06/17
Great sound on my Hyundai
Review by Andrew S. on 6 Aug 2017 review stating Great sound on my Hyundai
Great sound on my Hyundai Tuscon easy install direct fit!!
Steven H.
Verified Buyer
5 star rating 04/22/16
Sounds so darn good!
Review by Steven H. on 22 Apr 2016 review stating Sounds so darn good!
Sounds so darn good!
Pierre-luc T.
Verified Buyer
4 star rating 05/13/18
I appreciate the sound plate
Review by Pierre-luc T. on 13 May 2018 review stating I appreciate the sound plate
I appreciate the sound plate but the spring that came with is too stiff, so the bypass valve doesn't open at low boost. That problem makes my check engine open..
Otherwise the original spring is too soft, so the bypass valve stay open as long as airflow's passing.
What can i do to solve my problem ASAP?
Otherwise the original spring is too soft, so the bypass valve stay open as long as airflow's passing.
What can i do to solve my problem ASAP?
Comments by Store Owner on Review by Pierre-luc T. on 13 May 2018 
K5 Optima Store
05/15/18
Hello there,
Thank you for your business with us. Glad we were able to help you get this installed now, without any issues.
Thanks,
K5 Optima Store
Thank you for your business with us. Glad we were able to help you get this installed now, without any issues.
Thanks,
K5 Optima Store
Colby K.
Verified Buyer
4 star rating 06/22/17
Fast shipping excellent products
Review by Colby K. on 22 Jun 2017 review stating Fast shipping excellent products
Fast shipping excellent products
Jay W.
Verified Reviewer
5 star rating 03/19/19
Just what I was looking for
Review by Jay W. on 19 Mar 2019 review stating Just what I was looking for
So this is my first turbo vehicle and I know I've always wanted that blow off sound, and this is just what I was looking for. The install took less than 20 minutes. And the quick responses from David really smoothed it out even more. He advised me to still use the stock bypass spring just as a heads up for future purchases. For the 2019 the port you need to block off is 25 mm so make sure you pick up some rubber chair tips. They cost like $2 at Wal-Mart. You will definitely be happy with this purchase, I can't wait to pair it with the intake. I've posted a video on YouTube of the sound I got in park, so not super loud not enough boost built in park but, it gets pretty loud when driving inside the car. I'll try to post that up later as well. Again thanks K5Optimastore and thank you David for your excellent customer service.
