Fast Guppy’s Speed Shop


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We are an Authorized Dealer for GrimmSpeed, while we are working to get their full catalogue on our site, please call so our expert staff can recommend part numbers to you and get the product YOU need to your door! We offer loyalty discounts based on volume at our store! 

GrimmSpeed was founded in 2006 to provide customers with innovative and highly engineered aftermarket products. In short, they are a small group of highly dedicated car nuts who work in Minneapolis, Minnesota. Their bread and butter started out anything Subaru. However, after growing their team and engineering they started developing products for: Mitsubishi, MazdaSpeed, and Hyundai markets. They are a true garage start-up and we've been lucky enough over the years to be able to turn it into exactly the business I had dreamed....probably a lot more actually. They have a wide breadth of expertise consisting of exhaust design, gaskets, pullies, phenolic spacers, porting and polishing(services that our company was actually founded on), boost controllers, and many more.

Most of the decisions at GrimmSpeed are based on 3 basic principles:

1. Innovation
Their engineers need to innovate before they get green light on a project. They know if they propose a project there has to be at least one new innovative feature. It may be a completely new idea or an innovation to a current product on the market(IE, using better materials, thicker flanges, thicker piping, etc). GrimmSpeed truly loves creating products that really work. This is the funnest part of the job without a doubt(those copy cat companies have to be boring places to work at).

2. Keeping Jobs in Minnesota
Lets face it, manufacturing in the US has been lost for a long time. Its sad because manufacturing is what this great country was founded on. GrimmSpeed's goal is to do their part in bringing it back to the US. Lets show the rest of the world that we do still 'have it'. Almost all of their partners are right here in Minnesota(most of which are within an hour of us). We'd rather help keeps jobs here and make less profit than sending jobs overseas and making more. Its not always about the $ and they are here to help prove that.

3. Customer Service You Deserve
What flies for customer service these days just continues to astonish us. I don't have to tell you guys, I'm sure you are all well aware of some of the BS customer service that goes on these days, especially in our industry. Their goals are to be honest with you, be there when you need them, and to keep their word. If something is going to be delayed, they aren't going to give you some BS date when it will be ready....they will tell you exactly the most current info we have. If you need help installing their products(even after our written install guides and install videos), they will be there on the phone/email/instant message ready to help until you have figured out the issue. Last but not least, they will keep their word. This seems like common sense but these days its just not. Plain and simple, if they say they are going to do something, they will. If they say we are going to call you back, they actually will. Novel idea we know