Add to Cart 6" Universal Chrome Muffler CM-55C GrandRock MSRP: Now: $519.07 Was: 6" Universal Chrome Muffler CM-55C High Quality Chrome Muffler Universal Fitment Internal Louvered Core Body Diameter: 6" Body Length: 38.4" Overall Length: 51" ID/ID: 5"/5" Sold Individually Quality Made Product If you should need... MSRP: Now: $519.07 Was: Add to Cart
Add to Cart Universal 5" x 300" 409 Stainless Steel Flex Pipe GrandRock MSRP: Now: $596.32 Was: Universal 5" x 300" 409 Stainless Steel Flex Pipe High Quality Flex Pipe Universal Fitment Sturdy 409 Stainless Steel Construction ID/ID Dimensions: 5" D x 300" L Sold Individually Quality Made Product *This product ships LTL Freight and the shipping... MSRP: Now: $596.32 Was: Add to Cart
Add to Cart Universal 4" x 300" Stainless Steel Flex Pipe GrandRock MSRP: Now: $596.74 Was: Universal 4" x 300" Stainless Steel Flex Pipe High Quality 304 Stainless Steel Flex Pipe Universal Fitment Dimensions: 4" D x 300" L Sold Individually Quality Made Product *This product ships LTL Freight and the shipping quotes are based on commercial... MSRP: Now: $596.74 Was: Add to Cart
Add to Cart Peterbilt 387 Aluminized Elbow Y Pipe 14-25077 GrandRock MSRP: Now: $491.88 Was: Peterbilt 387 Aluminized Elbow/ Y Pipe *Please Verify OEM Number Before Purchase Aluminized Y Pipe Fits Peterbilt 387 Trucks Direct Aftermarket Replacement For OEM # 14-25077 Sold Indiivdually Quality Made Product Call us at 1-888-888-7990 for... MSRP: Now: $491.88 Was: Add to Cart
Add to Cart 11" Resonator For Peterbilt 387 M111062 GrandRock MSRP: Now: $478.01 Was: 11" Resonator For Peterbilt 387 *Please Verify OEM Number Before Purchase Resonator Fits Peterbilt 387 Models Equipped With DPF Unit (2007 & Newer) 11" Body Diameter 5" I.D. Inlet Diameter 5" I.D. Outlet Diameter Shell Length: 55" Overall Length:... MSRP: Now: $478.01 Was: Add to Cart
Add to Cart 10" High Flow Replacement Muffler Fuel Saver GrandRock MSRP: Now: $559.38 Was: 10" High Flow Replacement Muffler Fuel Saver *Please Verify The Dimensions Of The Muffler To Ensure Fitment High Flow Replacement Muffler Studies Have Shown A Minimum Of 3% Increase In Gas Mileage Replaces 10" Diameter Stock Mufflers Works On All... MSRP: Now: $559.38 Was: Add to Cart