Free Shipping on Orders Over $99! Details

Grand Rock

Grand Rock

Grand Rock

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Free Shipping
    Add to Cart

    Stack Miter,6"X96,R5"Od Chrome SP6-96SBC

    Grand Rock

    OEM PRICE $1,269.98
    YOUR PRICE $1,050.58
    GRCSP6-96SBC
    OEM PRICE $1,269.98
    YOUR PRICE $1,050.58
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    OEM PRICE $1,269.98
    YOUR PRICE $1,050.58
    Subtotal:
  • Free Shipping
    Add to Cart

    8" Diesel Pickup Dual Stack Kit DPU-8SK

    Grand Rock

    OEM PRICE $1,180.24
    YOUR PRICE $978.22
    GRCDPU-8SK
    OEM PRICE $1,180.24
    YOUR PRICE $978.22
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    OEM PRICE $1,180.24
    YOUR PRICE $978.22
    Subtotal:
  • Free Shipping
    Add to Cart

    Stack Straight,4"X168,Od/Od Aluminized S4-168SBA

    Grand Rock

    OEM PRICE $259.01
    YOUR PRICE $214.68
    GRCS4-168SBA
    OEM PRICE $259.01
    YOUR PRICE $214.68
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    OEM PRICE $259.01
    YOUR PRICE $214.68
    Subtotal:
  • Free Shipping
    Add to Cart

    Stack Miter;8"X60";Od Chrome P8-60SBC

    Grand Rock

    OEM PRICE $1,092.18
    YOUR PRICE $839.98
    GRCP8-60SBC
    OEM PRICE $1,092.18
    YOUR PRICE $839.98
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    OEM PRICE $1,092.18
    YOUR PRICE $839.98
    Subtotal:
  • Free Shipping
    Add to Cart

    Stack Miter;8"X54";Od Chrome P8-54SBC

    Grand Rock

    OEM PRICE $1,041.38
    YOUR PRICE $799.98
    GRCP8-54SBC
    OEM PRICE $1,041.38
    YOUR PRICE $799.98
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    OEM PRICE $1,041.38
    YOUR PRICE $799.98
    Subtotal:
  • Free Shipping
    Add to Cart

    Stack Straight;7"X68" Od;Chrome S7-68SBC

    Grand Rock

    OEM PRICE $1,142.98
    YOUR PRICE $819.98
    GRCS7-68SBC
    OEM PRICE $1,142.98
    YOUR PRICE $819.98
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    OEM PRICE $1,142.98
    YOUR PRICE $819.98
    Subtotal:
  • Free Shipping
    Add to Cart

    Stack Austainless Steelie,7"X60,R5"Od Chrome SA7-60SBC-5

    Grand Rock

    OEM PRICE $1,269.98
    YOUR PRICE $1,050.58
    GRCSA7-60SBC-5
    OEM PRICE $1,269.98
    YOUR PRICE $1,050.58
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    OEM PRICE $1,269.98
    YOUR PRICE $1,050.58
    Subtotal:
  • Free Shipping
    Add to Cart

    Curved Stack Od Chrome K4-96SBC

    Grand Rock

    OEM PRICE $888.98
    YOUR PRICE $735.40
    GRCK4-96SBC
    OEM PRICE $888.98
    YOUR PRICE $735.40
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    OEM PRICE $888.98
    YOUR PRICE $735.40
    Subtotal:
  • Free Shipping
    Add to Cart

    Stack Straight;7"X60" Od;Chrome S7-60SBC

    Grand Rock

    OEM PRICE $1,015.98
    YOUR PRICE $896.95
    GRCS7-60SBC
    OEM PRICE $1,015.98
    YOUR PRICE $896.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    OEM PRICE $1,015.98
    YOUR PRICE $896.95
    Subtotal:
  • Free Shipping
    Add to Cart

    Stack Miter;7"X60" Od;Chrome P7-60SBC

    Grand Rock

    OEM PRICE $1,015.98
    YOUR PRICE $896.95
    GRCP7-60SBC
    OEM PRICE $1,015.98
    YOUR PRICE $896.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    OEM PRICE $1,015.98
    YOUR PRICE $896.95
    Subtotal:
  • Free Shipping
    STACK CURVED,7"X36,R5"OD CHROME
    Add to Cart

    Stack Curved,7"X36,R5"Od Chrome SK7-36SBC-5

    Grand Rock

    OEM PRICE $939.78
    YOUR PRICE $777.42
    GRCSK7-36SBC-5
    OEM PRICE $939.78
    YOUR PRICE $777.42
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    OEM PRICE $939.78
    YOUR PRICE $777.42
    Subtotal:
  • Free Shipping
    GRCSP7-36SBC-5
    Add to Cart

    Stack Miter,7"X36,R5"Od Chrome SP7-36SBC-5

    Grand Rock

    OEM PRICE $888.98
    YOUR PRICE $735.40
    GRCSP7-36SBC-5
    OEM PRICE $888.98
    YOUR PRICE $735.40
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    OEM PRICE $888.98
    YOUR PRICE $735.40
    Subtotal:
  • Free Shipping
    Add to Cart

    7" Hood Stack Kit HSK-7

    Grand Rock

    OEM PRICE $326.74
    YOUR PRICE $270.80
    GRCHSK-7
    OEM PRICE $326.74
    YOUR PRICE $270.80
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    OEM PRICE $326.74
    YOUR PRICE $270.80
    Subtotal:
  • Free Shipping
    Add to Cart

    6" Hood Stack Kit HSK-6

    Grand Rock

    OEM PRICE $332.08
    YOUR PRICE $275.24
    GRCHSK-6
    OEM PRICE $332.08
    YOUR PRICE $275.24
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    OEM PRICE $332.08
    YOUR PRICE $275.24
    Subtotal:
  • Free Shipping
    Add to Cart

    5" Hood Stack Kit HSK-5

    Grand Rock

    OEM PRICE $317.47
    YOUR PRICE $263.12
    GRCHSK-5
    OEM PRICE $317.47
    YOUR PRICE $263.12
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    OEM PRICE $317.47
    YOUR PRICE $263.12
    Subtotal:
  • Free Shipping
    Add to Cart

    5" C/R;Bullhorn-Stack;Od/Od;Chrome BH5-24SBC

    Grand Rock

    OEM PRICE $253.98
    YOUR PRICE $210.10
    GRCBH5-24SBC
    OEM PRICE $253.98
    YOUR PRICE $210.10
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    OEM PRICE $253.98
    YOUR PRICE $210.10
    Subtotal:
  • Free Shipping
    Add to Cart

    7" X 20" Straight Stack;Od Bottom Chrome S7-20SBC

    Grand Rock

    OEM PRICE $355.58
    YOUR PRICE $294.14
    GRCS7-20SBC
    OEM PRICE $355.58
    YOUR PRICE $294.14
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    OEM PRICE $355.58
    YOUR PRICE $294.14
    Subtotal:
  • Free Shipping
    Add to Cart

    7" C/R;P-Stack;Od/Od;Chrome P7-20SBC

    Grand Rock

    OEM PRICE $355.58
    YOUR PRICE $294.14
    GRCP7-20SBC
    OEM PRICE $355.58
    YOUR PRICE $294.14
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    OEM PRICE $355.58
    YOUR PRICE $294.14
    Subtotal:
  • Free Shipping
    STACK STRAIGHT,3.5"X24,ID/OD ALUMINIZED.
    Add to Cart

    Stack Straight,3.5"X24,Id/Od Aluminized. S35-24EXA

    Grand Rock

    OEM PRICE $81.95
    YOUR PRICE $67.92
    GRCS35-24EXA
    OEM PRICE $81.95
    YOUR PRICE $67.92
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    OEM PRICE $81.95
    YOUR PRICE $67.92
    Subtotal:
  • Free Shipping
    Add to Cart

    STACK STRAIGHT,7"X08,OD/OD ALUMINIZED

    Grand Rock

    OEM PRICE $172.78
    YOUR PRICE $142.38
    GRCS7-8SBA
    OEM PRICE $172.78
    YOUR PRICE $142.38
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    OEM PRICE $172.78
    YOUR PRICE $142.38
    Subtotal:
  • Free Shipping
    147569 Thomas Bus 4" 5-Bend Exhaust Pipe ID/OD Aluminized SB5-7569TH default 147569 Thomas Bus 4" 5-Bend Exhaust Pipe ID/OD Aluminized SB5-7569TH
    Add to Cart

    147569 Thomas Bus 4" 5-Bend Exhaust Pipe ID/OD Aluminized SB5-7569TH

    Grand Rock

    YOUR PRICE $320.28
    147569 Thomas Bus 4" 5-Bend Exhaust Pipe ID/OD Aluminized SB5-7569TH Fits Thomas Bus SpecEd MVP-EF Front Enigne Transit (2011-2012) Direct Aftermarket Replacement for OEM #: 147569
    GRCSB5-7569TH
    YOUR PRICE $320.28
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    YOUR PRICE $320.28
    Subtotal:
  • Free Shipping
    147570 Thomas Bus 4" 4-Bend Exhaust Pipe OD/ID Aluminized SB4-7570TH default 147570 Thomas Bus 4" 4-Bend Exhaust Pipe OD/ID Aluminized SB4-7570TH
    Add to Cart

    147570 Thomas Bus 4" 4-Bend Exhaust Pipe OD/ID Aluminized SB4-7570TH

    Grand Rock

    YOUR PRICE $311.00
    147570 Thomas Bus 4" 4-Bend Exhaust Pipe OD/ID Aluminized SB4-7570TH Fits Thomas Bus MVP-EF Front Enigne Transit (2011-2012) Direct Aftermarket Replacement for OEM #: 147570
    GRCSB4-7570TH
    YOUR PRICE $311.00
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    YOUR PRICE $311.00
    Subtotal:
  • Free Shipping
    126017 Thomas Bus 4" 3-Bend Exhaust Pipe ID/ID Aluminized SB4-6017TH default 126017 Thomas Bus 4" 3-Bend Exhaust Pipe ID/ID Aluminized SB4-6017TH
    Add to Cart

    126017 Thomas Bus 4" 3-Bend Exhaust Pipe ID/ID Aluminized SB4-6017TH

    Grand Rock

    YOUR PRICE $167.83
    126017 Thomas Bus 4" 3-Bend Exhaust Pipe ID/ID Aluminized SB4-6017TH Fits Thomas Bus MVP-EF Front Engine Transit (2008-2011) Direct Aftermarket Replacement for OEM #: 126017
    GRCSB4-6017TH
    YOUR PRICE $167.83
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    YOUR PRICE $167.83
    Subtotal:
  • Free Shipping
    62240944 Thomas Bus 4" Multi-Bend Exhaust Pipe Flared OD Aluminized SB3-0944TH default 62240944 Thomas Bus 4" Multi-Bend Exhaust Pipe Flared OD Aluminized SB3-0944TH
    Add to Cart

    62240944 Thomas Bus 4" Multi-Bend Exhaust Pipe Flared OD Aluminized SB3-0944TH

    Grand Rock

    YOUR PRICE $192.55
    62240944 Thomas Bus 4" Multi-Bend Exhaust Pipe Flared OD Aluminized SB3-0944TH Fits Thomas Bulit Bus on Freightliner Chassis (2001) Direct Aftermarket Replacement for OEM #: 62240944
    GRCSB3-0944TH
    YOUR PRICE $192.55
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    YOUR PRICE $192.55
    Subtotal:
  • Free Shipping
    3993283C1 International 5" 4-Bend DPF Exhaust Pipe IH-3993283C1 - pipe 3993283C1 International 5" 4-Bend DPF Exhaust Pipe IH-3993283C1
    Add to Cart

    3993283C1 International 5" 4-Bend DPF Exhaust Pipe IH-3993283C1

    Grand Rock

    YOUR PRICE $2,399.95
    GRCIH-3993283C1
    YOUR PRICE $2,399.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    YOUR PRICE $2,399.95
    Subtotal:
  • Free Shipping
    04-33675-000 Freightliner Cascadia 4" 3-Bend Exhaust Elbow FL-33675-000
    Add to Cart

    04-33675-000 Freightliner Cascadia 4" 3-Bend Exhaust Elbow FL-33675-000

    Grand Rock

    YOUR PRICE $661.21
    GRCFL-33675-000
    YOUR PRICE $661.21
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    YOUR PRICE $661.21
    Subtotal:
  • Free Shipping
    Add to Cart

    04-27983-000 Freightliner Cascadia 4" 2-Bend Exhaust Elbow FL-27983-000

    Grand Rock

    YOUR PRICE $550.99
    GRCFL-27983-000
    YOUR PRICE $550.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    YOUR PRICE $550.99
    Subtotal:
  • Free Shipping
    04-27981-000 Freightliner Cascadia 4" 2-Bend Exhaust Elbow FL-27981-000
    Add to Cart

    04-27981-000 Freightliner Cascadia 4" 2-Bend Exhaust Elbow FL-27981-000

    Grand Rock

    YOUR PRICE $348.09
    GRCFL-27981-000
    YOUR PRICE $348.09
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    YOUR PRICE $348.09
    Subtotal:
  • Free Shipping
    3.5" ID x 12" 321 Stainless Steel Bellows Flex Pipe EB-3512SS 3.5" ID x 12" 321 Stainless Steel Bellows Flex Pipe EB-3512SS - pipe
    Add to Cart

    3.5" ID x 12" 321 Stainless Steel Bellows Flex Pipe EB-3512SS

    Grand Rock

    YOUR PRICE $477.95
    GRCEB-3512SS
    YOUR PRICE $477.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    YOUR PRICE $477.95
    Subtotal:
  • Free Shipping
    3.5" ID x 10" 321 Stainless Steel Bellows Flex Pipe EB-3510SS 3.5" ID x 10" 321 Stainless Steel Bellows Flex Pipe EB-3510SS
    Add to Cart

    3.5" ID x 10" 321 Stainless Steel Bellows Flex Pipe EB-3510SS

    Grand Rock

    YOUR PRICE $324.95
    GRCEB-3510SS
    YOUR PRICE $324.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    YOUR PRICE $324.95
    Subtotal:
  • Free Shipping
    3" ID x 10" 321 Stainless Steel Bellows Flex Pipe EB-310SS 3" ID x 10" 321 Stainless Steel Bellows Flex Pipe EB-310SS - Pipe
    Add to Cart

    3" ID x 10" 321 Stainless Steel Bellows Flex Pipe EB-310SS

    Grand Rock

    YOUR PRICE $335.95
    GRCEB-310SS
    YOUR PRICE $335.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    YOUR PRICE $335.95
    Subtotal:
  • Free Shipping
    3990761C2 International 5" 45 Degree DPF Exhaust Pipe IH-3990761C2 - pipe 3990761C2 International 5" 45 Degree DPF Exhaust Pipe IH-3990761C2
    Add to Cart

    3990761C2 International 5" 45 Degree DPF Exhaust Pipe IH-3990761C2

    Grand Rock

    YOUR PRICE $1,039.95
    GRCIH-3990761C2
    YOUR PRICE $1,039.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    YOUR PRICE $1,039.95
    Subtotal:
  • Free Shipping
    Thomas Bus 4" Aluminized 4" x 48" Stack & Pipe Kit SB4-8954TH-248 Thomas Bus 4" Aluminized 4" x 48" Stack & Pipe Kit SB4-8954TH-248 - kit
    Add to Cart

    Thomas Bus 4" Aluminized 4" x 48" Stack & Pipe Kit SB4-8954TH-248

    Grand Rock

    YOUR PRICE $474.76
    Thomas Bus 4" Aluminized 4" x 48" Stack & Pipe Kit SB4-8954TH-248 Fits Thomas Bus EFX Front Engine Transits (2013 - 2015) Assembled to Fit 212" to 231" Wheelbases Kit Includes: (1) 4" 4-Bend...
    GRCSB4-8954TH-248
    YOUR PRICE $474.76
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    YOUR PRICE $474.76
    Subtotal:
  • Free Shipping
    Thomas Bus 4" Aluminized 4" x 24" Stack & Pipe Kit SB4-8954TH-224 Thomas Bus 4" Aluminized 4" x 24" Stack & Pipe Kit SB4-8954TH-224 - kit
    Add to Cart

    Thomas Bus 4" Aluminized 4" x 24" Stack & Pipe Kit SB4-8954TH-224

    Grand Rock

    YOUR PRICE $280.95
    Thomas Bus 4" Aluminized 4" x 24" Stack & Pipe Kit SB4-8954TH-224 Fits Thomas Bus EFX Front Engine Transits (2013 - 2015) Assembled to Fit 155" to 193" Wheelbases Kit Includes: (1) 4" 4-Bend...
    GRCSB4-8954TH-224
    YOUR PRICE $280.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    YOUR PRICE $280.95
    Subtotal:
  • Free Shipping
    171421 Thomas Bus 4" 4-Bend Exhaust Pipe ID/OD Aluminized SB4-8954TH 171421 Thomas Bus 4" 4-Bend Exhaust Pipe ID/OD Aluminized SB4-8954TH - pipe
    Add to Cart

    168946 Thomas Bus 4" 2-Bend Exhaust Pipe ID/OD Aluminized SB3-8946TH

    Grand Rock

    YOUR PRICE $246.11
    168946 Thomas Bus 4" 2-Bend Exhaust Pipe ID/OD Aluminized SB3-8946TH Fits Thomas Bus EFX Front Engine Transits (2013 - 2015) Direct Aftermarket Replacement for OEM #:
    GRCSB3-8946TH
    YOUR PRICE $246.11
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    YOUR PRICE $246.11
    Subtotal:
  • Free Shipping
    171421 Thomas Bus 4" 4-Bend Exhaust Pipe ID/OD Aluminized SB4-8954TH 171421 Thomas Bus 4" 4-Bend Exhaust Pipe ID/OD Aluminized SB4-8954TH - pipe
    Add to Cart

    171421 Thomas Bus 4" 4-Bend Exhaust Pipe ID/OD Aluminized SB4-8954TH

    Grand Rock

    YOUR PRICE $242.01
    171421 Thomas Bus 4" 4-Bend Exhaust Pipe ID/OD Aluminized SB4-8954TH Fits Thomas Bus EFX Front Engine Transits (2013 - 2015) Direct Aftermarket Replacement for OEM #:
    GRCSB4-8954TH
    YOUR PRICE $242.01
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    YOUR PRICE $242.01
    Subtotal:
  • Free Shipping
    126030 Thomas Bus 4" x 94" Straight Exhaust Pipe OD/OD Aluminized S4-94SBA 126030 Thomas Bus 4" x 94" Straight Exhaust Pipe OD/OD Aluminized S4-94SBA - pipe
    Add to Cart

    126030 Thomas Bus 4" x 94" Straight Exhaust Pipe OD/OD Aluminized S4-94SBA

    Grand Rock

    YOUR PRICE $237.89
    126030 Thomas Bus 4" x 94" Straight Exhaust Pipe OD/OD Aluminized S4-94SBA Fits Thomas Bus EFX Front Engine Transits (2013 - 2015) Direct Aftermarket Replacement for OEM #: 126030
    GRCS4-94SBA
    YOUR PRICE $237.89
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    YOUR PRICE $237.89
    Subtotal:
  • Free Shipping
    168947 Thomas Bus 4" 4 Bend Exhaust Pipe OD/OD Aluminized SB4-8947TH 168947 Thomas Bus 4" 4 Bend Exhaust Pipe OD/OD Aluminized SB4-8947TH - pipe
    Add to Cart

    168947 Thomas Bus 4" 4 Bend Exhaust Pipe OD/OD Aluminized SB4-8947TH

    Grand Rock

    YOUR PRICE $256.43
    168947 Thomas Bus 4" 4 Bend Exhaust Pipe OD/OD Aluminized SB4-8947TH Fits Thomas Bus EFX Front Engine Transits (2013 - 2015) Direct Aftermarket Replacement for OEM #: 168947
    GRCSB4-8947TH
    YOUR PRICE $256.43
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    YOUR PRICE $256.43
    Subtotal:
  • Free Shipping
    5" Sleeved Exhaust Clamp 304 Stainless Steel SAS-5SS
    Add to Cart

    5" Sleeved Exhaust Clamp 304 Stainless Steel SAS-5SS

    Grand Rock

    YOUR PRICE $36.01
    GRCSAS-5SS
    YOUR PRICE $36.01
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    YOUR PRICE $36.01
    Subtotal:
  • Free Shipping
    4" Sleeved Exhaust Clamp 304 Stainless Steel SAS-4SS
    Add to Cart

    4" Sleeved Exhaust Clamp 304 Stainless Steel SAS-4SS

    Grand Rock

    YOUR PRICE $28.78
    GRCSAS-4SS
    YOUR PRICE $28.78
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    YOUR PRICE $28.78
    Subtotal:
  • Total: items /

Adding your products to cart