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Brand: Grand Rock Part Number: VB-384G
The Grand Rock V-Band Clamp VB-384G is a replacement for the factory clamp your 2001-2015 GM 6.6L Duramax. This clamp joins the bottom of your downpipe, to the front-pipe in your exhaust system. The factory clamp is exposed to extreme conditions from constant heat cycles, and being exposed to t...
$24.43

Brand: Grand Rock Part Number: VB-429F7
Fits: 1999-2003 Ford 7.3L Powerstroke  Grand Rock V-Band Clamp for turbo to downpipe connection. Grand Rock: VB-429F7 ...
$28.76

Brand: Grand Rock Part Number: HDT-5A
Grand Rock 5 Inch Exhaust Diverter Valve Part number HDT-5A...
$365.13

Brand: Grand Rock Part Number: HDT-4A
Grand Rock 4 Inch Exhaust Diverter Valve 10.5" x 13" Part number HDT-4A...
$327.43

Brand: Grand Rock Part Number: IM-518
Slide-In, Straight through muffler helps reduce harsh exhaust tones. This item is designed to fit by first REMOVING your stack from the connection, setting the muffler in place, then set the stack back on top of the muffler. You can accomplish more exhaust muffling by squeezing/crimping the ends ...
$63.89

Brand: Grand Rock Part Number: HSK-6
Universal Hood Stack Kit This kit does not include the stack, or the piping under the hood! Grand Rock: HSK-6 ...
$197.36

Brand: Grand Rock Part Number: HSK-7
Universal Hood Stack KitThis kit does not include the stack, or the piping under the hood! Grand Rock: HSK-7  ...
$194.19

Brand: Grand Rock Part Number: IM-418
Slide-In, Straight through muffler helps reduce harsh exhaust tones. Aluminized Steel This item is designed to fit by first REMOVING your stack from the connection, setting the muffler in place, then set the stack back on top of the muffler. You can accomplish more exhaust muffling by squeezing/c...
$60.84

Brand: Grand Rock Part Number: P7-20SBC
Grand Rock 7" Hood Stack Universal Competition Stacks: Intended for Race/Competition Off-Road Use ONLY!  *Lowers your EGT's! Universal Grand Rock Hood Stack Kits and Hood Stacks are available in 5", 6" and 7". Hood Stack Styles include Mitre or Straight Cut 20 inch Hoo...
$212.99

Brand: Grand Rock Part Number: P6-20SBC
Grand Rock 6" Hood Stack Universal Competition Stacks: Intended for Race/Competition Off-Road Use ONLY!  *Lowers your EGT's! Universal Grand Rock Hood Stack Kits and Hood Stacks are available in 5", 6" and 7". Hood Stack Styles include Mitre or Straight Cut 20 inch Ho...
$182.56

Brand: Grand Rock Part Number: DPU-4SK-KIT
4" Stack Pickup Truck T-Pipe Kit By Grand Rock The 4 inch T-Pipe sits in the bed, and only one hole needs to be cut in the bed of the truck. It is designed to fit full-size Ford, Chevy, & Dodge pickup trucks. This kit fits 4" OD Stacks. There is a 2-3 day lead time on this p...
$536.70

Brand: Grand Rock Part Number: A5-xxSBC
5 Inch Chrome Aussie Cut Stack. This stack is available in 36, 48, and 60 inch lengths. Please choose your length in the drop down menu.Bottom OD is 5 Inch.Please note that for dual stacks, you need to order a quantity of 2.This is for the individual stack ONLY. Grand Rock part numbers: A5-36SBC, A...
$177.99

Brand: Grand Rock Part Number: P5-xxSBC
5 Inch Chrome Mitre Cut Stack. This stack is available in 36, 48, and 60 inch lengths. Please choose your length in the drop down menu.Bottom OD is 5 Inch.Please note that for dual stacks, you need to order a quantity of 2.This is for the individual stack ONLY. Grand Rock part number:P5-36SBC,P5-4...
$167.34

Brand: Grand Rock Part Number: SA6-xxSBC
6 Inch Chrome Aussie Cut Stack. This stack is available in 36, 48, and 60 inch lengths. Please choose your length in the drop down menu.Bottom OD is 5 Inch.Please note that for dual stacks, you need to order a quantity of 2.This is for the individual stack ONLY. Grand Rock part numbers: SA6-36SBC,S...
$380.34

Brand: Grand Rock Part Number: SPU-4SK
4" Single Stack Pickup Truck S-Pipe KitBy Grand Rock The 4" S-Pipe sits in the bed, and only one hole needs to be cut in the bed of the truck. This allows you to mount a single 4" stack on the right side of the pickup bed. The S-pipe kit is designed to fit full size Ford, Chevy, & Dodge pickup truc...
$277.88

Brand: Grand Rock Part Number: SP6-xxSBC
6 Inch Chrome Mitre Cut Stack. This stack is available in 36, 48, and 60 inch lengths. Please choose your length in the drop down menu.Bottom OD is 5 Inch.Please note that for dual stacks, you need to order a quantity of 2.This is for the individual stack ONLY. Grand Rock part number:SP6-36SBC,SP6...
$289.06

Brand: Grand Rock Part Number: HSK-5
Universal Hood Stack KitThis kit does not include the stack, or the piping under the hood! Grand Rock: HSK-5  ...
$188.67

Brand: Grand Rock Part Number: PS-xxxx-5SK
Turbo-Back Stack Kit 94-05 Ford 7.3L or 6.0L Powerstroke By Grand RockGives your Ford Diesel Pickup that "Big Rig" look! Great flow-improved performance. Functional-Routes exhaust fumes above and away from livestock, car haulers, and cargo where diesel smoke is unwanted. Complete turbo-to-sta...
$727.11

Brand: Grand Rock Part Number: SP7-xxSBC-5
7 Inch Chrome Mitre Cut Stack. This stack is available in 36, 48, and 60 inch lengths. Please choose your length in the drop down menu.Bottom OD is 5 Inch.Please note that for dual stacks, you need to order a quantity of 2.This is for the individual stack ONLY. Grand Rock part number:SP7-36SBC-5,S...
$532.49

Brand: Grand Rock Part Number: SBH7-xxSBC-5
7 Inch Chrome Bullhauler Cut Stack. This stack is available in 36, 48, and 60 inch lengths. Please choose your length in the drop down menu.Bottom OD is 5 Inch.Please note that for dual stacks, you need to order a quantity of 2.This is for the individual stack ONLY. Grand Rock part number: SBH7-36S...
$626.55

Brand: Grand Rock Part Number: BH5-xxSBC
5 Inch Chrome Bullhauler Cut Stack. This stack is available in 36, 48, and 60 inch lengths. Please choose your length in the drop down menu.Bottom OD is 5 Inch.Please note that for dual stacks, you need to order a quantity of 2.This is for the individual stack ONLY. Grand Rock pert numbers: BH5-36...
$178.26

Brand: Grand Rock Part Number: P4-xxSBC
4 Inch Chrome Mitre Cut Stack. This stack is available in 36, 48, and 60 inch lengths. Please choose your length in the drop down menu.Bottom OD is 4 Inch. Please note that for dual stacks, you need to order a quantity of 2. This is for the individual stack ONLY. Grand Rock part number:P4-36SBC,P...
$141.77

Brand: Grand Rock Part Number: P5-20SBC
Grand 5" Rock Hood Stack Universal Competition Stacks: Intended for Race/Competition Off-Road Use ONLY!  *Lowers your EGT's! Universal Grand Rock Hood Stack Kits and Hood Stacks are available in 5", 6" and 7". Hood Stack Styles include Mitre or Straight Cut 20 inch Ho...
$136.91

Brand: Grand Rock Part Number: SP8-xxSBC-5
8 Inch Chrome Mitre Cut Stack. This stack is available in 36, 48, and 60 inch lengths. Please choose your length in the drop down menu.Bottom OD is 5 Inch.Please note that for dual stacks, you need to order a quantity of 2.This is for the individual stack ONLY. Grand Rock part number:SP8-36SBC-5,S...
$608.56

Brand: Grand Rock Part Number: SA8-xxSBC-5
8 Inch Chrome Aussie Cut Stack. This stack is available in 36 and 48 inch lengths. Please choose your length in the drop down menu.Bottom OD is 5 Inch.Please note that for dual stacks, you need to order a quantity of 2.This is for the individual stack ONLY. Grand Rock part numbers:SA8-36SBC-5,SA8-4...
$739.87

Brand: Grand Rock Part Number: SA7-xxSBC-5
7 Inch Chrome Aussie Cut Stack. This stack is available in 36, 48, and 60 inch lengths. Please choose your length in the drop down menu.Bottom OD is 5 Inch.Please note that for dual stacks, you need to order a quantity of 2.This is for the individual stack ONLY. Grand Rock part numbers: SA7-36SBC-...
$608.56

Brand: Grand Rock Part Number: S7-20SBC
Grand Rock 7" Hood Stack Universal Competition Stacks : Intended for Race/Competition Off-Road Use ONLY!  *Lowers your EGT's! Universal Grand Rock Hood Stack Kits and Hood Stacks are available in 5", 6" and 7". Hood Stack Styles include Mitre or Straight Cut 20 inch H...
$212.99

Brand: Grand Rock Part Number: K5-xxSBC
5 Inch Chrome Turnout Cut Stack. This stack is available in 36, 48, and 60 inch lengths. Please choose your length in the drop down menu.Bottom OD is 5 Inch.Please note that for dual stacks, you need to order a quantity of 2.This is for the individual stack ONLY. Grand Rock part number:K5-36SBC,K5...
$177.99

Brand: Grand Rock Part Number: RC-500
Grand Rock zinc plated rain cap - 5 Inch Part number: RC500 There is a 2-3 day lead time on this part before item ships....
$30.41

Brand: Grand Rock Part Number: S5-20SBC
Grand Rock 5" Hood Stack Universal Competition Stacks: Intended for Race/Competition Off-Road Use ONLY!  *Lowers your EGT's! Universal Grand Rock Hood Stack Kits and Hood Stacks are available in 5", 6" and 7". Hood Stack Styles include Mitre or Straight Cut 20 inch Ho...
$121.70

Brand: Grand Rock Part Number: SBH6-xxSBC
6 Inch Chrome Bullhauler Cut Stack. This stack is available in 36, 48, and 60 inch lengths. Please choose your length in the drop down menu. Bottom OD is 5 Inch.Please note that for dual stacks, you need to order a quantity of 2.This is for the individual stack ONLY. Grand Rock part number:SBH6-3...
$358.85

Brand: Grand Rock Part Number: IM-560
Slid-In, Straight through muffler helps reduce harsh exhaust tones. Aluminized Steel Please Allow Up To 2 Weeks Ship Time on this part.  Grand Rock part #: IM-560...
$244.93

Brand: Grand Rock Part Number: S5-xxSBC
5 Inch Chrome Straight Cut Stack. This stack is available in 36, 48, and 60 inch lengths. Please choose your length in the drop down menu.Bottom OD is 5 Inch.Please note that for dual stacks, you need to order a quantity of 2.This is for the individual stack ONLY. Grand Rock part number:S5-36SBC,S...
$163.67

Brand: Grand Rock Part Number: SK7-xxSBC-5
7 Inch Chrome Turnout Cut Stack. This stack is available in 36, 48, and 60 inch lengths. Bottom OD is 5 Inch.Please choose your length in the drop down menu.Please note that for dual stacks, you need to order a quantity of 2.This is for the individual stack ONLY. Grand Rock part number:SK7-36SBC-5...
$562.91

Brand: Grand Rock Part Number: SK6-xxSBC
6 Inch Chrome Turnout Cut Stack. This stack is available in 36, 48, and 60 inch lengths. Bottom OD is 5 Inch.Please choose your length in the drop down menu.Please note that for dual stacks, you need to order a quantity of 2.This is for the individual stack ONLY. Grand Rock part numbers:SK6-36SBC,...
$304.27

Brand: Grand Rock Part Number: S4-xxSBC
4 Inch Chrome Straight Cut Stack. This stack is available in 36, 48, and 60 inch lengths. Please choose your length in the drop down menu.Bottom OD is 4 Inch.Please note that for dual stacks, you need to order a quantity of 2.This is for the individual stack ONLY. Grand Rock part number:S4-36SBC,S...
$136.41

Brand: Grand Rock Part Number: M-465
Grand Rock M-465 5” in / 5” out, 10” diameter , body length 44” There is a 2-3 day lead time on this part before item ships....
$124.74

Brand: Grand Rock Part Number: K4-xxSBC
4 Inch Chrome Turnout Cut Stack. This stack is available in 36, 48, and 60 inch lengths. Please choose your length in the drop down menu.Bottom OD is 4 Inch.Please note that for dual stacks, you need to order a quantity of 2.This is for the individual stack ONLY. Grand Rock part numbers:K4-36SBC,K...
$166.04

Brand: Grand Rock Part Number: SS6-xxSBC
6 Inch Chrome Straight Cut Stack. This stack is available in 36, 48, and 60 inch lengths. Please choose your length in the drop down menu.Bottom OD is 5 Inch.Please note that for dual stacks, you need to order a quantity of 2.This is for the individual stack ONLY. Grand Rock part number:SS6-36SBC,...
$310.51

Brand: Grand Rock Part Number: IM-672
Slid-In, Straight through muffler helps reduce harsh exhaust tones. Aluminized Steel Please Allow Up To 2 Weeks Ship Time on this part.  Grand Rock part #: IM-672...
$284.49

Brand: Grand Rock Part Number: SS7-xxSBC-5
7 Inch Chrome Straight Cut Stack. This stack is available in 36, 48, and 60 inch lengths. Please choose your length in the drop down menu.Bottom OD is 5 Inch.Please note that for dual stacks, you need to order a quantity of 2.This is for the individual stack ONLY. Grand Rock part number:SS7-36SBC-...
$532.49

Brand: Grand Rock Part Number: GM-0004-5SK
Turbo-Back Stack Kit 01-06 Chevy/GM 6.6L Duramax DieselBy Grand RockGives your Chevy Diesel Pickup that "Big Rig" look! Great flow-improved performance. Functional-Routes exhaust fumes above and away from livestock, car haulers, and cargo where diesel smoke is unwanted. Complete turbo-to-stac...
$913.00

Brand: Grand Rock Part Number: DC-9402-4SK
Dual Turbo-Back Stack Kit 94-02 Dodge 5.9L Cummins DieselBy Grand RockGives your Dodge Diesel Pickup that "Big Rig" look! Great flow-improved performance. Functional-Routes exhaust fumes above and away from livestock, car haulers, and cargo where diesel smoke is unwanted. Complete turbo-to-st...
$930.37

Brand: Grand Rock Part Number: IM-772
Slid-In, Straight through muffler helps reduce harsh exhaust tones. Aluminized Steel Please Allow Up To 2 Weeks Ship Time on this part. Grand Rock part #: IM-772...
$319.49

Brand: Grand Rock Part Number: IM-572
Slid-In, Straight through muffler helps reduce harsh exhaust tones. Aluminized Steel Please Allow Up To 2 Weeks Ship Time on this part.  Grand Rock part #: IM-572...
$263.19

Brand: Grand Rock Part Number: GM-0004-7SK
Turbo-Back Stack Kit 01-06 Chevy/GM 6.6L Duramax DieselBy Grand RockGives your Chevy Diesel Pickup that "Big Rig" look! Great flow-improved performance. Functional-Routes exhaust fumes above and away from livestock, car haulers, and cargo where diesel smoke is unwanted. Complete turbo-to-stac...
$923.11

Brand: Grand Rock Part Number: SS8-xxSBC-5
8 Inch Chrome Straight Cut Stack. This stack is available in 36 and 48 inch lengths. Bottom OD is 5 Inch.Please choose your length in the drop down menu.Please note that for dual stacks, you need to order a quantity of 2.This is for the individual stack ONLY. Grand Rock part number:SS8-36SBC-5,SS8...
$622.51

Brand: Grand Rock Part Number: GM-0004-4SK
Dual Turbo-Back Stack Kit 01-06 Chevy/GM 6.6L Duramax DieselBy Grand RockGives your Chevy Diesel Pickup that "Big Rig" look! Great flow-improved performance. Functional-Routes exhaust fumes above and away from livestock, car haulers, and cargo where diesel smoke is unwanted. Complete turbo-to...
$944.35

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