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DPU-7SK - Grand Rock Exhaust 7" Exhaust Stack Kit
7" thru bed stack kit. Does not include stacks, add chrome stacks seperately. This contains all parts to get from exhaust under truck to the stacks, but not the stacks! Grand Rock is the premier supplier of stack kits for diesel trucks in the USA today. Get the BIG RIG look! Add 7" stacks of choice to this kit to complete your stack kit! |
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SPU-4SK - Grand Rock Exhaust 4" Single Stack Kit
4" thru bed SINGLE stack kit. Does not include stacks, add chrome stacks seperately. This contains all parts to get from exhaust under truck to the stacks, but not the stacks! Grand Rock is the premier supplier of stack kits for diesel trucks in the USA today. Get the BIG RIG look! Add you 4" chrome stacks to finish this kit off. POWERFLOW exhaust kits are made by GRAND ROCK, one of the premier large diameter truck exhaust manufacturers in the country. Many others just buy parts from all over and package their kits. |
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DPU-5SK - Grand Rock Exhaust 5" Exhaust Stack Kit
5" thru bed stack kit.
Does not include stacks, add chrome stacks seperately.
This contains all parts to get from exhaust under truck to the stacks, but not the stacks! Grand Rock is the premier supplier of stack kits for diesel trucks in the USA today. Get the BIG RIG look!
5" Bed Bracket DIESEL PICK UP DUAL STACK KIT |
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DPU-6SK - Grand Rock Exhaust 6" Exhaust Stack Kit
6" thru bed stack kit.
Does not include stacks, add chrome stacks seperately.
This contains all parts to get from exhaust under truck to the stacks, but not the stacks! Grand Rock is the premier supplier of stack kits for diesel trucks in the USA today. Get the BIG RIG look! Add your 6" stacks of choice to this kit to complete your stack kit!
6" Bed Bracket DIESEL PICK UP DUAL STACK KIT |
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SPU-5SK - Grand Rock Exhaust 5" Grand Rock Single Stack Kit
5" thru bed SINGLE stack kit. Does not include stacks, add chrome stacks seperately. This contains all parts to get from exhaust under truck to the stacks, but not the stacks! Grand Rock is the premier supplier of stack kits for diesel trucks in the USA today. Get the BIG RIG look! Add your 5" chrome stacks to finish this kit off. POWERFLOW exhaust kits are made by GRAND ROCK, one of the premier large diameter truck exhaust manufacturers in the country. Many others just buy parts from all over and package their kits. |
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SPU-6SK - Grand Rock Exhaust 6" Grand Rock Single Stack Kit
6" thru bed SINGLE stack kit. Does not include stacks, add chrome stacks seperately. This contains all parts to get from exhaust under truck to the stacks, but not the stacks! Grand Rock is the premier supplier of stack kits for diesel trucks in the USA today. Get the BIG RIG look! Add your 6" chrome stacks to finish this kit off. POWERFLOW exhaust kits are made by GRAND ROCK, one of the premier large diameter truck exhaust manufacturers in the country. Many others just buy parts from all over and package their kits. |
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SPU-7SK - Grand Rock Exhaust 7" Grand Rock Single Stack Kit
7" thru bed SINGLE stack kit. Does not include stacks, add chrome stacks seperately. This contains all parts to get from exhaust under truck to the stacks, but not the stacks! Grand Rock is the premier supplier of stack kits for diesel trucks in the USA today. Get the BIG RIG look! Add your 7" chrome stacks to finish this kit off. POWERFLOW exhaust kits are made by GRAND ROCK, one of the premier large diameter truck exhaust manufacturers in the country. Many others just buy parts from all over and package their kits. |
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K4-36SBC - Grand Rock Exhaust 4 x 36 curved top stack
Chrome stacks by GRAND ROCK! A 36" stack will get to the top of the cab. Longer or shorter is available. All stacks sold each. 2 required for dual stack universal kits. Dont forget that GRAND ROCK POWERFLOW systems are the brand that others are compered to, the brand that is copied by the followers, and the brand that you can trust to be top quality, with leading technology, and all of the kits and parts you need to get that custom look without the custom hassle. |
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P4-36SBC - Grand Rock Exhaust 4 x 36 MITER top stack
Chrome stacks by GRAND ROCK! A 36" stack will get to the top of the cab. Longer or shorter is available. All stacks sold each. 2 required for dual stack universal kits. Dont forget that GRAND ROCK POWERFLOW systems are the brand that others are compered to, the brand that is copied by the followers, and the brand that you can trust to be top quality, with leading technology, and all of the kits and parts you need to get that custom look without the custom hassle. |
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S4-36SBC - Grand Rock Exhaust 4 x 36 STRAIGHT top stack
Chrome stacks by GRAND ROCK! A 36" stack will get to the top of the cab. Longer or shorter is available. All stacks sold each. 2 required for dual stack universal kits. Dont forget that GRAND ROCK POWERFLOW systems are the brand that others are compered to, the brand that is copied by the followers, and the brand that you can trust to be top quality, with leading technology, and all of the kits and parts you need to get that custom look without the custom hassle. |
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BH5-36SBC - Grand Rock Exhaust 5 x 36 EXTENDED CURVED top stack
Chrome stacks by GRAND ROCK! A 36" stack will get to the top of the cab. Longer or shorter is available. All stacks sold each. 2 required for dual stack universal kits. Dont forget that GRAND ROCK POWERFLOW systems are the brand that others are compered to, the brand that is copied by the followers, and the brand that you can trust to be top quality, with leading technology, and all of the kits and parts you need to get that custom look without the custom hassle. |
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K5-36SBC - Grand Rock Exhaust 5 x 36 CURVED top stack
Chrome stacks by GRAND ROCK! A 36" stack will get to the top of the cab. Longer or shorter is available. All stacks sold each. 2 required for dual stack universal kits. Dont forget that GRAND ROCK POWERFLOW systems are the brand that others are compered to, the brand that is copied by the followers, and the brand that you can trust to be top quality, with leading technology, and all of the kits and parts you need to get that custom look without the custom hassle. |
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P5-36SBC - Grand Rock Exhaust 5 x 36 MITER top stack
Chrome stacks by GRAND ROCK! A 36" stack will get to the top of the cab. Longer or shorter is available. All stacks sold each. 2 required for dual stack universal kits. Dont forget that GRAND ROCK POWERFLOW systems are the brand that others are compered to, the brand that is copied by the followers, and the brand that you can trust to be top quality, with leading technology, and all of the kits and parts you need to get that custom look without the custom hassle. |
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S5-36SBC - Grand Rock Exhaust 5 x 36 STRAIGHT top stack
Chrome stacks by GRAND ROCK! A 36" stack will get to the top of the cab. Longer or shorter is available. All stacks sold each. 2 required for dual stack universal kits. Dont forget that GRAND ROCK POWERFLOW systems are the brand that others are compered to, the brand that is copied by the followers, and the brand that you can trust to be top quality, with leading technology, and all of the kits and parts you need to get that custom look without the custom hassle. |
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SBH6-36SBC - Grand Rock Exhaust 6 x 36 EXTENDED CURVED top stack 5" OD BOTTOM
Chrome stacks by GRAND ROCK! A 36" stack will get to the top of the cab. Longer or shorter is available. All stacks sold each. 2 required for dual stack universal kits. Dont forget that GRAND ROCK POWERFLOW systems are the brand that others are compered to, the brand that is copied by the followers, and the brand that you can trust to be top quality, with leading technology, and all of the kits and parts you need to get that custom look without the custom hassle. |
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SK6-36SBC - Grand Rock Exhaust 6 x 36 CURVED top stack 5" OD BOTTOM
Chrome stacks by GRAND ROCK! A 36" stack will get to the top of the cab. Longer or shorter is available. All stacks sold each. 2 required for dual stack universal kits. Dont forget that GRAND ROCK POWERFLOW systems are the brand that others are compered to, the brand that is copied by the followers, and the brand that you can trust to be top quality, with leading technology, and all of the kits and parts you need to get that custom look without the custom hassle. |
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SP6-36SBC - Grand Rock Exhaust 6 x 36 MITER top stack 5" OD BOTTOM
Chrome stacks by GRAND ROCK! A 36" stack will get to the top of the cab. Longer or shorter is available. All stacks sold each. 2 required for dual stack universal kits. Dont forget that GRAND ROCK POWERFLOW systems are the brand that others are compered to, the brand that is copied by the followers, and the brand that you can trust to be top quality, with leading technology, and all of the kits and parts you need to get that custom look without the custom hassle. |
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SS6-36SBC - Grand Rock Exhaust 6 x 36 STRAIGHT top stack 5" OD BOTTOM
Chrome stacks by GRAND ROCK! A 36" stack will get to the top of the cab. Longer or shorter is available. All stacks sold each. 2 required for dual stack universal kits. Dont forget that GRAND ROCK POWERFLOW systems are the brand that others are compered to, the brand that is copied by the followers, and the brand that you can trust to be top quality, with leading technology, and all of the kits and parts you need to get that custom look without the custom hassle. |
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SBH7-36SBC-5 - Grand Rock Exhaust 7 x 36 EXTENDED CURVED top stack 5" OD BOTTOM
Chrome stacks by GRAND ROCK! A 36" stack will get to the top of the cab. Longer or shorter is available. All stacks sold each. 2 required for dual stack universal kits. Dont forget that GRAND ROCK POWERFLOW systems are the brand that others are compered to, the brand that is copied by the followers, and the brand that you can trust to be top quality, with leading technology, and all of the kits and parts you need to get that custom look without the custom hassle. |
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SK7-36SBC-5 - Grand Rock Exhaust 7 x 36 CURVED top stack 5" OD BOTTOM
Chrome stacks by GRAND ROCK! A 36" stack will get to the top of the cab. Longer or shorter is available. All stacks sold each. 2 required for dual stack universal kits. Dont forget that GRAND ROCK POWERFLOW systems are the brand that others are compered to, the brand that is copied by the followers, and the brand that you can trust to be top quality, with leading technology, and all of the kits and parts you need to get that custom look without the custom hassle. |
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SP7-36SBC-5 - Grand Rock Exhaust 7 x 36 MITER top stack 5" OD BOTTOM
Chrome stacks by GRAND ROCK! A 36" stack will get to the top of the cab. Longer or shorter is available. All stacks sold each. 2 required for dual stack universal kits. Dont forget that GRAND ROCK POWERFLOW systems are the brand that others are compered to, the brand that is copied by the followers, and the brand that you can trust to be top quality, with leading technology, and all of the kits and parts you need to get that custom look without the custom hassle. |
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SS7-36SBC-5 - Grand Rock Exhaust 7 x 36 STRAIGHT top stack 5" OD BOTTOM
Chrome stacks by GRAND ROCK! A 36" stack will get to the top of the cab. Longer or shorter is available. All stacks sold each. 2 required for dual stack universal kits. Dont forget that GRAND ROCK POWERFLOW systems are the brand that others are compered to, the brand that is copied by the followers, and the brand that you can trust to be top quality, with leading technology, and all of the kits and parts you need to get that custom look without the custom hassle. |
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PUB-L - Pick-Up Bracket LEFT
Left side bracket for your pick-up bed. Replacement parts for you GRAND ROCK POWERFLOW system, or parts to build your custom system. |
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PUB-R - Pick-Up Bracket RIGHT
RIGHT side bracket for your pick-up bed. Replacement parts for you GRAND ROCK POWERFLOW system, or parts to build your custom system. |
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PS-9902-4sk - FORD 7.3 4" Stack Kit
POWERFLOW Systems come COMPLETE and will fit all wheel bases. No need to stock extra part numbers, boxes and loose tubes.
Our 5" kits are 4" to the muffler then 5" out the back of muffler to tip. Polished stainless tip included now, not chrome. |
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PS-9902-5SK - FORD 7.3 5" Stack Kit
POWERFLOW Systems come COMPLETE and will fit all wheel bases. No need to stock extra part numbers, boxes and loose tubes.
Our 5" kits are 4" to the muffler then 5" out the back of muffler to tip. Polished stainless tip included now, not chrome. |
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PS-9902-6SK - FORD 7.3 6" Stack Kit
POWERFLOW Systems come COMPLETE and will fit all wheel bases. No need to stock extra part numbers, boxes and loose tubes.
Our 5" kits are 4" to the muffler then 5" out the back of muffler to tip. Polished stainless tip included now, not chrome. |
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PS-9902-7SK - FORD 7.3 7" Stack Kit
POWERFLOW Systems come COMPLETE and will fit all wheel bases. No need to stock extra part numbers, boxes and loose tubes.
Our 5" kits are 4" to the muffler then 5" out the back of muffler to tip. Polished stainless tip included now, not chrome. |
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PS-99-A4 - FORD complete POWERFLOW KIT - 7.3 4" Stack Kit
POWERFLOW Systems come COMPLETE and will fit all wheel bases. No need to stock extra part numbers, boxes and loose tubes.
Our 5" kits are 4" to the muffler then 5" out the back of muffler to tip. Polished stainless tip included now, not chrome. |
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PS-99-A5 - FORD complete POWERFLOW KIT - 7.3 5" Stack Kit
POWERFLOW Systems come COMPLETE and will fit all wheel bases. No need to stock extra part numbers, boxes and loose tubes.
Our 5" kits are 4" to the muffler then 5" out the back of muffler to tip. Polished stainless tip included now, not chrome. |
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PS-6.0-A4 - FORD 6.0 PSD ALLUMINIZED 4" complete exhaust kit
Value packed exhaust systems from GRAND ROCK! Compare to MBRP, MAGNAFLOW, Silverline, BORLA and see that GRAND ROCK packs a punch of performance, style, and price.....you get all of this tied together with the devotion to quality that has made GRAND ROCK todays leading name in diesel performance for both passanger trucks and BIG RIGS!
POWERFLOW Systems come COMPLETE and will fit all wheel bases. No need to stock extra part numbers, boxes and loose tubes.
Our 5" kits are 4" to the muffler then 5" out the back of muffler to tip. Polished 304 stainless tip included now, not chrome. |
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PS-6.0-A5 - FORD 6.0 PSD ALLUMINIZED 5" complete exhaust kit
Value packed exhaust systems from GRAND ROCK! Compare to MBRP, MAGNAFLOW, Silverline, BORLA and see that GRAND ROCK packs a punch of performance, style, and price.....you get all of this tied together with the devotion to quality that has made GRAND ROCK todays leading name in diesel performance for both passanger trucks and BIG RIGS!
POWERFLOW Systems come COMPLETE and will fit all wheel bases. No need to stock extra part numbers, boxes and loose tubes.
Our 5" kits are 4" to the muffler then 5" out the back of muffler to tip. Polished 304 stainless tip included now, not chrome. |
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PS-6.0-4SK - Ford 6.0 PSD 4" ALLUMINIZED stack kit
Greand Rock Stacks! We know you want them, that is why we have them listed for you right here. These GRAND ROCK stack kits are custom built just for you and your truck. Grand rock is the leader in diesel truck exhaust for both passanger and over the road trucks and BIG RIGS. When you decide to big, go GRAND....GRAND ROCK! These simple kits allow you to purchase a one box, one part number solution to getting stacks on your stock POWERSTROKE. If you have larger diameter aftermarket exhaust, simply go to the UNIVERSAL GRAND ROCK STACK KITS are and choose a kit to fit your exhaust diameter that you have installed and choose the stacks that you like. These kits assume you have a stock exhaust/downpipe. |
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PS-6.0-5SK - Ford 6.0 PSD 5" stack kit
Greand Rock Stacks! We know you want them, that is why we have them listed for you right here. These GRAND ROCK stack kits are custom built just for you and your truck. Grand rock is the leader in diesel truck exhaust for both passanger and over the road trucks and BIG RIGS. When you decide to big, go GRAND....GRAND ROCK! These simple kits allow you to purchase a one box, one part number solution to getting stacks on your stock POWERSTROKE. If you have larger diameter aftermarket exhaust, simply go to the UNIVERSAL GRAND ROCK STACK KITS are and choose a kit to fit your exhaust diameter that you have installed and choose the stacks that you like. These kits assume you have a stock exhaust/downpipe. |
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PS-6.0-6SK - Ford 6.0 PSD 6" stack kit
Greand Rock Stacks! We know you want them, that is why we have them listed for you right here. These GRAND ROCK stack kits are custom built just for you and your truck. Grand rock is the leader in diesel truck exhaust for both passanger and over the road trucks and BIG RIGS. When you decide to big, go GRAND....GRAND ROCK! These simple kits allow you to purchase a one box, one part number solution to getting stacks on your stock POWERSTROKE. If you have larger diameter aftermarket exhaust, simply go to the UNIVERSAL GRAND ROCK STACK KITS are and choose a kit to fit your exhaust diameter that you have installed and choose the stacks that you like. These kits assume you have a stock exhaust/downpipe. |
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PS-6.0-7SK - Ford 6.0 PSD 7" stack kit
Greand Rock Stacks! We know you want them, that is why we have them listed for you right here. These GRAND ROCK stack kits are custom built just for you and your truck. Grand rock is the leader in diesel truck exhaust for both passanger and over the road trucks and BIG RIGS. When you decide to big, go GRAND....GRAND ROCK! These simple kits allow you to purchase a one box, one part number solution to getting stacks on your stock POWERSTROKE. If you have larger diameter aftermarket exhaust, simply go to the UNIVERSAL GRAND ROCK STACK KITS are and choose a kit to fit your exhaust diameter that you have installed and choose the stacks that you like. These kits assume you have a stock exhaust/downpipe. |
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GR-6"-Single-Stack-c - Must Go! SPU-6SK and SK6-36SBC 6" Single Stack Kit 6" x 36 CURVED top stack
This single stack kit was ordered by a customer on our website. He actually wanted a dual stack kit, and ordered the wrong parts. He sent it back to us without installing it. We do not like to sell opened items "AS NEW!" This system is a new system without any scratches or dents.
This is a 6" single stack system that is designed to conect to a 4" intermediate pipe.
1 x Grand Rock Exhaust 4 to 6" Single Stack Kit (SPU-6SK)
1 x Grand Rock Exhaust 6 x 36 CURVED top stack (SK6-36SBC)
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Grand Rock