Grand Rock is a major manufacturer and warehouse of superior exhaust systems for the aftermarket. Since 1970 Grand Rock has had its sights set on providing the customer with only the best parts and material in the industry. Through excellent customer service, rapid delivery, damage free packing and competitive pricing Grand Rock has grown to become the best in the industry.
Many of their products are manufactured in North America and this is something they are proud of. Working out of a 53,000 sq. ft. facility, Grand Rock maintains an inventory of over 3000 sku's of catalog items. This provides rapid turnaround on parts for a wide variety of makes and models.
The transport industry is such an integral portion of business and the world economy. Grand Rock is proud to provide the exhaust services needed to keep you on the road! When trucks and buses move, so does the world!
Please check below for any recent Tech Bulletins available.
Complete Exhaust Systems PDF Catalog 14th Jun, 2018
How to Cut & Install Flex Tubing 17th Feb, 2014
Engine Size Conversion Chart 1st Mar, 2013