Grand Rock


Grand Rock Co. has been building exhaust systems for over 30 years, specializing in heavy-duty trucks. Today, Grand Rock offers their experience and craftsmanship for diesel pick up trucks to give you that "BIG RIG" look. XDP offers Grand Rock stack kits that give you the choice of 4 types of chrome stacks in various diameters to choose from so you can get the look, sound, and quality you want. Grand Rock's Powerflow systems fit perfectly and include zinc-plated hangers as well as AccuSeal(tm) clamps to join the pipes together.
Displaying products 1 - 15 of 15 results
AccuSeal Aluminized Band Clamps
From $5.72 to $6.05
Universal - 3.5",4",5" x 1.25" Wide
AccuSeal Polished Stainless Steel Band Clamps
From $10.05 to $27.99
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Universal - 4"-7" x 1.25" Wide
AccuSeal Stainless Steel Band Clamps
From $8.57 to $9.44
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Universal - 4",5" x 1.25" Wide
Grand Rock Chrome Exhaust Stack Tip
From $71.04 to $321.10
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Universal - Multiple Lengths, Cuts & Diameters (Sold Individually)
Grand Rock Hood Stack Mounting Kit
From $106.46 to $109.57
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Universal - All Makes & Models (Fabrication Required)
Grand Rock Hood Stack Tips
From $26.94 to $103.32
Universal - Multiple Diameters & Styles
Grand Rock Powerflow "Big Rig" Dual Stack Kit
From $266.54 to $397.20
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Universal - All Makes & Models (Fabrication Required)
Grand Rock Powerflow "Big Rig" Single Stack Kit
From $152.71 to $343.44
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Universal - All Makes & Models (Fabrication Required)
Grand Rock Rubber Hump Hose HH-X90
From $10.12 to $17.78
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Universal - 4"-6"
Grand Rock V-Band Clamp VB-384F
$22.31
1994-1997 Ford 7.3L Powerstroke
Grand Rock V-Band Clamp VB-384G
$16.39
2001-2007 GM 6.6L Duramax
Grand Rock V-Band Clamp VB-429F6
$16.09
2003-2007 Ford 6.0L Powerstroke
Grand Rock V-Band Clamp VB-429F7
$19.40
1999-2003 Ford 7.3L Powerstroke
Grand Rock V-Band Clamp VB-450
$18.62
2003-2004 Dodge 5.9L Cummins
Grand Rock V-Band Clamp VB-532
$20.09
2004.5-2007 Dodge 5.9L Cummins