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Justin Grimm developed a passion for Subaru vehicles in 2002. He enjoyed taking them apart and improving their performance. After a few years of enjoying his passion for Subarus, he decided to make a career out of it. After realizing the niche market for aftermarket performance products, he founded GrimmSpeed out of his garage. He then later opened up his shop in St. Paul, MN where today the company produces innovative products for other nationwide Subaru enthusiasts.
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Improve style and Increase Flow! Most adjustability available on the market! Mounts in OEM tow hook location (No cutting...
High-quality replacement TMIC Y-Pipe Kit. Special Fitment Note: Supported fitments include only those vehicles running OEM STI and...
Your factory crank pulley is responsible for transferring energy from your crankshaft to your water pump, a/c compressor...
Meticulous engineering meets elegant design. For years you've been asking us for intakes, and for years we've silently...
With so many catback options available, our goal was to create a unique, refined sound in an extremely...
$110.00
Your Subaru’s cooling system is only as good as its weakest link, commonly that’s the old, dry-rotted OEM...
Your Subaru’s cooling system is only as good as its weakest link, commonly that’s the old, dry-rotted OEM...
With so many catback options available, our goal was to create a unique, refined sound in an extremely...
The beauty of the GrimmSpeed Staged Power Packages is that all of the included components were designed and...
The beauty of the GrimmSpeed Staged Power Packages is that all of the included components were designed and...
The beauty of the GrimmSpeed Staged Power Packages is that all of the included components were designed and...
The beauty of the GrimmSpeed Staged Power Packages is that all of the included components were designed and...
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