Our Top Categories

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Chrome

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OE Aftermarket

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Emissions Solutions

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Stainless

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Universal Replacement Parts

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Mufflers

Welcome to Grand Rock Company

At Grand Rock, we promote and work hard every day to provide our customers with the highest possible solutions, while maintaining good business values. We value our People, encourage their development and reward their performance. Our improved environmental outcomes can ride the coattails of our lean culture change; there is a win for our business, our customers and a win for environmental improvement.

We have the widest selection of the exhaust products and for over 40 years our quality, dedication, customer service and efficiency are put to a test, and after all those years we can proudly say that we are ready to take another step with our customers toward promising future.

Thank you,
Grand Rock Team.

About UsContact Us

Quality Since
1977

Quality
Value
Relationships
Service

3,000
SKUs of
catalog items

Advanced
Search Bar

Use our advanced search bar to find the Grand Rock item you need. Keywords, description, cross reference numbers or Grand Rock numbers can all be used!

Custom Part Request &
RFQ Service Page

Click here if you have a custom or obsolete part that requires a quote.

Grand Rock
Returns Service

Need to return an item? Click here to see the returns policy and submit a return request.

Why Choose Us

U.S. Manufacturer

Grand Rock produces over 95% of our product line in North East Ohio using steel made in tube mills found in Ohio and across the USA.

Broadest Catalog Selection

Grand Rock hosts one of the broadest catalog selections in the industry, along with fast delivery, ensures your one stop shop for exhaust needs.

Customer Driven

Using our VOC (Voice of Customer) approach Grand Rock focuses and listens to what matters to the customer. From our industry leading packaging to our Lean Culture which enables Grand Rock to react much quicker to customer(s) changing demands.

Inquire Now

Why Choose Us

U.S. Manufacturer

Grand Rock produces over 95% of our product line in North East Ohio using steel made in tube mills found in Ohio and across the USA.

Broadest Catalog Selection

Grand Rock hosts one of the broadest catalog selections in the industry, along with fast delivery, ensures your one stop shop for exhaust needs.

Customer Driven

Using our VOC (Voice of Customer) approach Grand Rock focuses and listens to what matters to the customer. From our industry leading packaging to our Lean Culture which enables Grand Rock to react much quicker to customer(s) changing demands.

Inquire Now

Quality Products for Over 40 Years

What Our Customers Think

“We’ve been selling Grand Rock exhaust products for over 30 years, the quality and service from them has always been top notch.”

Berube's

“Big Rig Chrome Shop is a leader in semi-truck parts and accessories, specializing in chrome, stainless, collision, lighting and more. We have a great partnership with Grand Rock for OE replacement exhaust as well as chrome plated exhaust to help make your truck shine.”

Big Rig Chrome Shop

“Grand Rock is our Primary Manufacturer for Exhaust Products for over 15 years and Miami Star Truck Parts will be still growing together with High Quality controls that create a long-lasting relationship and product satisfaction with our Customers with the Great Teamwork from Grand Rock!”

Thank You! From the Miami Star Family

“Quality products with great service!”

Sanchez Muffler

“Grand Rock, they have a solid team, quality products, and reliable service. To me, those are the key ingredients to success!”

4 State Trucks

Same Day Shipping Guarantee

Order must be specified as a "TRUCK DOWN SHIPMENT" or "RUSH SHIPMENT"

  • Orders MUST be phoned in BEFORE 2:00 PM EST Monday - Friday.
  • Must be an authorized Grand Rock Distributor.
  • Guranteed same day shipping. NOT ACTUAL DELIVERY!
  • Orders and stock MUST be confirmed by Customer Service.
  • ALL orders will be shipped "Pre-Paid & Add" in the most economical method.

PHONE-IN ORDERS ONLY
Additional Shipping Cost and Minimum Order amounts may apply.
Contact your Grand Rock Representative for more inforamtion.

Find Out More

Truck Down Program

Same Day Shipment,
Next Day Delivery

Rush Program

Same Day Shipment,
Standard Delivery

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