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February 2024 by Joshua Hollister
Just wanted to take a minute and thank the team at HSP. Customer service was excellent. The piping kit fit like a factory made parts. I got the deluxe bundle kit for a 16 lml and it definitely increased my throttle response, I gained 4psi on the boost (I did add high flow exhaust manifolds with the piping.) Lastly these parts are worth the wait.
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December 2023 by Jakob Neufeld
I bought an lb7 intake kit and the hot side intercooler pipe didn't not fit I had to cut the pipe and then bend it and then reweld it
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October 2023 by Corny Bliggins
Ordered several times from HSP for my 2016 Chevy Silverado 2500HD. Always friendly and great customer service. Both my big orders were custom, and HSP was more than willing to work with me to get the products perfect for my build. 10/10 will be back!
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October 2023 by Ivan Cruz
Product is good
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October 2023 by Preston Martin
Great customer service and absolutely amazing products
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October 2023 by Patrick Solan
Great products quality workmanship and perfect fit. Always recommend to my friends
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October 2023 by Cameron Young
Great products and great customer service
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October 2023 by colton t. martin
The best diesel company I work with! Always help me get what I need and shipping is super fast
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October 2023 by Tyler Tunison
Great customer service!! Parts showed up on time and fit perfectly
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October 2023 by Ryan Robertson
Love it!!
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October 2023 by Matt Bud
HSP has always been one of the best companies around for your aftermarket truck needs (especially Duramax - equipped trucks). Their products always fit and look great, and customer service is second-to-none. Cannot recommend them enough!
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October 2023 by Dan Gillespie
Great company to do business with and stand by their work
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October 2023 by dakotacdy94
Used their traction bar kits and high flow kits on multiple trucks! The fitment is always on point and the bracket design for the traction bars I highly prefer over others.
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October 2023 by Danny Kyle
Good quality products, fast shipping! Highly recommend
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October 2023 by GhostThe14
Best LML parts on earth!!
