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Grand Rock

Grand Rock

  • Grand Rock 5" Curved Exhaust Stack - 60"

    Grand Rock

    5" Curved Exhaust Stack - 60"

    The 5" Curved Exhaust Stack - 60" from Grand Rock is a genuine Grand Rock heavy-duty truck part you can count on. A great way to dress up your rig while keeping airflow where it should be — and built...

    $277.31
  • Grand Rock 5" Saddle Clamp - Chrome

    Grand Rock

    5" Saddle Clamp - Chrome

    The 5" Saddle Clamp - Chrome from Grand Rock is a genuine Grand Rock heavy-duty truck part you can count on. Finished for a clean, sharp look and designed for a straightforward bolt-on installation...

    $26.86
  • Grand Rock 5" Chrome Elbow - 90 Degree 18"x32"

    Grand Rock

    5" Chrome Elbow - 90 Degree 18"x32"

    The 5" Chrome Elbow - 90 Degree 18"x32" from Grand Rock is a genuine Grand Rock heavy-duty truck part you can count on. Engineered for the demands of heavy-duty diesel powertrains, it's built to...

    $256.03
  • Grand Rock Heat Shield Bracket

    Grand Rock

    Heat Shield Bracket

    The Heat Shield Bracket from Grand Rock is a genuine Grand Rock heavy-duty truck part you can count on. A great way to dress up your rig while keeping airflow where it should be — and built for an...

    $49.99
  • Grand Rock 90 Deg Elbow - 5" ID/OD

    Grand Rock

    90 Deg Elbow - 5" ID/OD

    The 90 Deg Elbow - 5" ID/OD from Grand Rock is a genuine Grand Rock heavy-duty truck part you can count on. A great way to dress up your rig while keeping airflow where it should be — and built for...

    $189.65
  • Grand Rock 5" Muffler - 44.5" x 10"

    Grand Rock

    5" Muffler - 44.5" x 10"

    The 5" Muffler - 44.5" x 10" from Grand Rock is a genuine Grand Rock heavy-duty truck part you can count on. A great way to dress up your rig while keeping airflow where it should be — and built for...

    $132.48
  • Grand Rock 4" Saddle Clamp

    Grand Rock

    4" Saddle Clamp

    The 4" Saddle Clamp from Grand Rock is a genuine Grand Rock heavy-duty truck part you can count on. Finished for a clean, sharp look and designed for a straightforward bolt-on installation.Fitment:...

    $7.97
  • Grand Rock 5" Curved Exhaust Stack - 60" Length

    Grand Rock

    5" Curved Exhaust Stack - 60" Length

    The 5" Curved Exhaust Stack - 60" Length from Grand Rock is a genuine Grand Rock heavy-duty truck part you can count on. A great way to dress up your rig while keeping airflow where it should be —...

    $247.35
  • Grand Rock 85*  Elbow with Pyro Grand Rock 85*  Elbow with Pyro Grand Rock 85*  Elbow with Pyro

    Grand Rock

    85* Elbow with Pyro

    The 85* Elbow with Pyro from Grand Rock is a genuine Grand Rock heavy-duty truck part you can count on. Finished for a clean, sharp look and designed for a straightforward bolt-on installation.85*...

    $145.42
  • Grand Rock 5" Chrome Exhaust Stack - 96" Length

    Grand Rock

    5" Chrome Exhaust Stack - 96" Length

    The 5" Chrome Exhaust Stack - 96" Length from Grand Rock is a genuine Grand Rock heavy-duty truck part you can count on. A great way to dress up your rig while keeping airflow where it should be —...

    $517.56
  • Grand Rock Turbo Flange - with Pyro

    Grand Rock

    Turbo Flange - with Pyro

    The Turbo Flange - with Pyro from Grand Rock is a genuine Grand Rock heavy-duty truck part you can count on. Engineered for the demands of heavy-duty diesel powertrains, it's built to deliver...

    $58.19
  • Grand Rock Turbo Flange 5"x6"x5.75"

    Grand Rock

    Turbo Flange 5"x6"x5.75"

    The Turbo Flange 5"x6"x5.75" from Grand Rock is a genuine Grand Rock heavy-duty truck part you can count on. Built to keep your diesel running strong through the daily grind of over-the-road and...

    $27.45
  • Grand Rock Tube ,7"X120,OD/OD ALZ

    Grand Rock

    Tube ,7"X120,OD/OD ALZ

    The Tube ,7"X120,OD/OD ALZ from Grand Rock is a genuine Grand Rock heavy-duty truck part you can count on. Finished for a clean, sharp look and designed for a straightforward bolt-on installation...

    $398.22
  • Grand Rock Elbow,7" 90 DEG Rubber

    Grand Rock

    Elbow,7" 90 DEG Rubber

    The Elbow,7" 90 DEG Rubber from Grand Rock is a genuine Grand Rock heavy-duty truck part you can count on. A great way to dress up your rig while keeping airflow where it should be — and built for an...

    $83.06
  • Grand Rock 7" x 7" Rubber Hump Hose

    Grand Rock

    7" x 7" Rubber Hump Hose

    The 7" x 7" Rubber Hump Hose from Grand Rock is a genuine Grand Rock heavy-duty truck part you can count on. Built to the standards heavy-duty truckers count on — dependable, durable, and ready to...

    $36.43
  • Grand Rock Clamp,7" Air T-Bolt

    Grand Rock

    Clamp,7" Air T-Bolt

    The Clamp,7" Air T-Bolt from Grand Rock is a genuine Grand Rock heavy-duty truck part you can count on. Finished for a clean, sharp look and designed for a straightforward bolt-on installation...

    $13.57
  • Grand Rock 90 Degree Elbow - 5", 12"x12" ID/OD

    Grand Rock

    90 Degree Elbow - 5", 12"x12" ID/OD

    The 90 Degree Elbow - 5", 12"x12" ID/OD from Grand Rock is a genuine Grand Rock heavy-duty truck part you can count on. Built to keep your diesel running strong through the daily grind of...

    $56.31
  • Grand Rock 5" Chrome Elbow ID/OD 90 Degree Bend

    Grand Rock

    5" Chrome Elbow ID/OD 90 Degree Bend

    The 5" Chrome Elbow ID/OD 90 Degree Bend from Grand Rock is a genuine Grand Rock heavy-duty truck part you can count on. Built to keep your diesel running strong through the daily grind of...

    $186.35
  • Grand Rock 5" Chrome Elbow ID/OD  45* Bend

    Grand Rock

    5" Chrome Elbow ID/OD 45* Bend

    The 5" Chrome Elbow ID/OD 45* Bend from Grand Rock is a genuine Grand Rock heavy-duty truck part you can count on. A great way to dress up your rig while keeping airflow where it should be — and...

    $137.05
  • Grand Rock 4" ID/OD/OD PLT Y-Pipe  (2 Bend)

    Grand Rock

    4" ID/OD/OD PLT Y-Pipe (2 Bend)

    The 4" ID/OD/OD PLT Y-Pipe (2 Bend) from Grand Rock is a genuine Grand Rock heavy-duty truck part you can count on. A great way to dress up your rig while keeping airflow where it should be — and...

    $218.03
  • Grand Rock Chrome 5" Curved Exhaust Stack 24" Long ID

    Grand Rock

    Chrome 5" Curved Exhaust Stack 24" Long ID

    The Chrome 5" Curved Exhaust Stack 24" Long ID from Grand Rock is a genuine Grand Rock heavy-duty truck part you can count on. A great way to dress up your rig while keeping airflow where it should...

    $129.99
  • Grand Rock Elbow - 5" - 90* - 18"x18"   ID/OD

    Grand Rock

    Elbow - 5" - 90* - 18"x18" ID/OD

    The Elbow - 5" - 90* - 18"x18" ID/OD from Grand Rock is a genuine Grand Rock heavy-duty truck part you can count on. A great way to dress up your rig while keeping airflow where it should be — and...

    $56.31