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Grand Rock

Grand Rock

Grand Rock

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    Y-Pipe Chrome FB-6SS

    Grand Rock

    OEM PRICE $812.78
    YOUR PRICE $652.78
    GRCFL-13974C Y-Pipe Chrome FB-6SS What other exhaust parts will I need? Depending on your current exhaust system;you could need several truck pipes to complete the job.  If you are needing to...
    GRCFL-13974C
    OEM PRICE $812.78
    YOUR PRICE $652.78
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    OEM PRICE $812.78
    YOUR PRICE $652.78
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  • 4" Marmon Flare, 3" Long 39394-S
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    4" Marmon Flare;3" Long 39394-S

    Grand Rock

    OEM PRICE $68.95
    YOUR PRICE $55.48
    GRC39660-L 4" Marmon Flare;3" Long 39394-S What other exhaust parts will I need? Depending on your current exhaust system;you could need several truck pipes to complete the job.  If you are...
    GRC39660-L
    OEM PRICE $68.95
    YOUR PRICE $55.48
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    OEM PRICE $68.95
    YOUR PRICE $55.48
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  • 5" Marmon Flare, 3" Long
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    5" Marmon Flare;3" Long 12OZ-WAX

    Grand Rock

    OEM PRICE $84.46
    YOUR PRICE $67.96
    GRC39392-L 5" Marmon Flare;3" Long 12OZ-WAX What other exhaust parts will I need? Depending on your current exhaust system;you could need several truck pipes to complete the job.  If you are...
    GRC39392-L
    OEM PRICE $84.46
    YOUR PRICE $67.96
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    OEM PRICE $84.46
    YOUR PRICE $67.96
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    Turbo Flare 5" X 2" T407-4

    Grand Rock

    OEM PRICE $43.50
    YOUR PRICE $35.00
    GRCT550-2 Turbo Flare 5" X 2" T407-4 What other exhaust parts will I need? Depending on your current exhaust system;you could need several truck pipes to complete the job.  If you are needing...
    GRCT550-2
    OEM PRICE $43.50
    YOUR PRICE $35.00
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    OEM PRICE $43.50
    YOUR PRICE $35.00
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    Dodge 03-04 4" Turbo Pipe D5A

    Grand Rock

    OEM PRICE $482.67
    YOUR PRICE $388.40
    GRCDC-0304-4T Dodge 03-04 4" Turbo Pipe D5A What other exhaust parts will I need? Depending on your current exhaust system;you could need several truck pipes to complete the job.  If you are...
    GRCDC-0304-4T
    OEM PRICE $482.67
    YOUR PRICE $388.40
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    OEM PRICE $482.67
    YOUR PRICE $388.40
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    4" Turbo Pipe 5.9L Cummins D4A

    Grand Rock

    OEM PRICE $533.77
    YOUR PRICE $429.52
    GRCD4T 4" Turbo Pipe 5.9L Cummins D4A What other exhaust parts will I need? Depending on your current exhaust system;you could need several truck pipes to complete the job.  If you are...
    GRCD4T
    OEM PRICE $533.77
    YOUR PRICE $429.52
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    OEM PRICE $533.77
    YOUR PRICE $429.52
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    5" 2 Bend Turbo Pipe;Aluminized FL-21016-002

    Grand Rock

    OEM PRICE $639.98
    YOUR PRICE $514.98
    GRCFL-22315-001 5" 2 Bend Turbo Pipe;Aluminized FL-21016-002 What other exhaust parts will I need? Depending on your current exhaust system;you could need several truck pipes to complete the job...
    GRCFL-22315-001
    OEM PRICE $639.98
    YOUR PRICE $514.98
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    OEM PRICE $639.98
    YOUR PRICE $514.98
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    5"2-Bend OD/Flare Turbo Aluminized FL-19610-000

    Grand Rock

    OEM PRICE $394.22
    YOUR PRICE $317.22
    GRCFL-21016-002 5"2-Bend OD/Flare Turbo Aluminized FL-19610-000 What other exhaust parts will I need? Depending on your current exhaust system;you could need several truck pipes to complete the...
    GRCFL-21016-002
    OEM PRICE $394.22
    YOUR PRICE $317.22
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    OEM PRICE $394.22
    YOUR PRICE $317.22
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    4" Ford Turbo Pipe Aluminized 99-02 EXS5-120SBA

    Grand Rock

    OEM PRICE $327.93
    YOUR PRICE $262.34
    GRCF4TP 4" Ford Turbo Pipe Aluminized 99-02 EXS5-120SBA What other exhaust parts will I need? Depending on your current exhaust system;you could need several truck pipes to complete the job...
    GRCF4TP
    OEM PRICE $327.93
    YOUR PRICE $262.34
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    OEM PRICE $327.93
    YOUR PRICE $262.34
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    Hx40 Turbo Pipe 94-02 Dodge DC-600-4T

    Grand Rock

    OEM PRICE $525.77
    YOUR PRICE $423.08
    GRCDC94024THX40 Hx40 Turbo Pipe 94-02 Dodge DC-600-4T What other exhaust parts will I need? Depending on your current exhaust system;you could need several truck pipes to complete the job...
    GRCDC94024THX40
    OEM PRICE $525.77
    YOUR PRICE $423.08
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    OEM PRICE $525.77
    YOUR PRICE $423.08
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    04-06 Dodge Turbo Pipe For 600 Series 5.9L Cummins DC-0304-4T

    Grand Rock

    OEM PRICE $429.18
    YOUR PRICE $343.34
    GRCDC-600-4T 04-06 Dodge Turbo Pipe For 600 Series 5.9L Cummins DC-0304-4T What other exhaust parts will I need? Depending on your current exhaust system;you could need several truck pipes to...
    GRCDC-600-4T
    OEM PRICE $429.18
    YOUR PRICE $343.34
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    OEM PRICE $429.18
    YOUR PRICE $343.34
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    5" 304 S.S. + DSS-512 + Marmon Flare Assembly FL-22315-001

    Grand Rock

    OEM PRICE $874.98
    YOUR PRICE $699.98
    GRCFL-27334-0 5" 304 S.S. + DSS-512 + Marmon Flare Assembly FL-22315-001 What other exhaust parts will I need? Depending on your current exhaust system;you could need several truck pipes to...
    GRCFL-27334-0
    OEM PRICE $874.98
    YOUR PRICE $699.98
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    OEM PRICE $874.98
    YOUR PRICE $699.98
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    5" 304 Stainless Steel Marmon Flare 39392-L

    Grand Rock

    OEM PRICE $97.75
    YOUR PRICE $78.20
    GRC39394-S 5" 304 Stainless Steel Marmon Flare 39392-L What other exhaust parts will I need? Depending on your current exhaust system;you could need several truck pipes to complete the job...
    GRC39394-S
    OEM PRICE $97.75
    YOUR PRICE $78.20
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    OEM PRICE $97.75
    YOUR PRICE $78.20
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    4' 4 Bend OD/OD 409 Stainless Steel SB7-4937TH

    Grand Rock

    OEM PRICE $484.20
    YOUR PRICE $387.36
    GRCSB7-4937TH-S4 4' 4 Bend OD/OD 409 Stainless Steel SB7-4937TH What other exhaust parts will I need? Depending on your current exhaust system;you could need several truck pipes to complete the...
    GRCSB7-4937TH-S4
    OEM PRICE $484.20
    YOUR PRICE $387.36
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    OEM PRICE $484.20
    YOUR PRICE $387.36
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    4" 2 Bend OD/OD 409 Stainless Steel SB3-2643TH

    Grand Rock

    OEM PRICE $287.33
    YOUR PRICE $229.86
    GRCSB3-2643TH-S4 4" 2 Bend OD/OD 409 Stainless Steel SB3-2643TH What other exhaust parts will I need? Depending on your current exhaust system;you could need several truck pipes to complete the...
    GRCSB3-2643TH-S4
    OEM PRICE $287.33
    YOUR PRICE $229.86
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    OEM PRICE $287.33
    YOUR PRICE $229.86
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    4" 4 Bend OD/ID 409 Stainless Steel SB4-1709BB

    Grand Rock

    OEM PRICE $379.30
    YOUR PRICE $303.44
    GRCSB4-1709BB-S4 4" 4 Bend OD/ID 409 Stainless Steel SB4-1709BB What other exhaust parts will I need? Depending on your current exhaust system;you could need several truck pipes to complete the...
    GRCSB4-1709BB-S4
    OEM PRICE $379.30
    YOUR PRICE $303.44
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    OEM PRICE $379.30
    YOUR PRICE $303.44
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    4" 4 Bend OD/ID 409 Stainless Steel SB4-1474BB

    Grand Rock

    OEM PRICE $391.08
    YOUR PRICE $312.86
    GRCSB4-1474BB-S4 4" 4 Bend OD/ID 409 Stainless Steel SB4-1474BB What other exhaust parts will I need? Depending on your current exhaust system;you could need several truck pipes to complete the...
    GRCSB4-1474BB-S4
    OEM PRICE $391.08
    YOUR PRICE $312.86
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    OEM PRICE $391.08
    YOUR PRICE $312.86
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    4" 3 Bend OD/ID 409 Stainless Steel SB4-1475BB

    Grand Rock

    OEM PRICE $379.30
    YOUR PRICE $303.44
    GRCSB4-1475BB-S4 4" 3 Bend OD/ID 409 Stainless Steel SB4-1475BB What other exhaust parts will I need? Depending on your current exhaust system;you could need several truck pipes to complete the...
    GRCSB4-1475BB-S4
    OEM PRICE $379.30
    YOUR PRICE $303.44
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    OEM PRICE $379.30
    YOUR PRICE $303.44
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    4" 3 Bend OD/OD 409 Stainless Steel SB5-2226BB

    Grand Rock

    OEM PRICE $381.00
    YOUR PRICE $304.80
    GRCSB5-2226BB-S4 4" 3 Bend OD/OD 409 Stainless Steel SB5-2226BB What other exhaust parts will I need? Depending on your current exhaust system;you could need several truck pipes to complete the...
    GRCSB5-2226BB-S4
    OEM PRICE $381.00
    YOUR PRICE $304.80
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    OEM PRICE $381.00
    YOUR PRICE $304.80
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    3.5" 2 Bend 3.5" ID / 4" ID 409 Stainless Steel SB1-9618BB

    Grand Rock

    OEM PRICE $402.25
    YOUR PRICE $321.80
    GRCSB1-9618BB-S4 3.5" 2 Bend 3.5" ID / 4" ID 409 Stainless Steel SB1-9618BB What other exhaust parts will I need? Depending on your current exhaust system;you could need several truck pipes to...
    GRCSB1-9618BB-S4
    OEM PRICE $402.25
    YOUR PRICE $321.80
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    OEM PRICE $402.25
    YOUR PRICE $321.80
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    4" 3 Bend ID/OD 409 Stainless Steel SB3-7831BB

    Grand Rock

    OEM PRICE $487.05
    YOUR PRICE $389.64
    GRCSB3-7831BB-S4 4" 3 Bend ID/OD 409 Stainless Steel SB3-7831BB What other exhaust parts will I need? Depending on your current exhaust system;you could need several truck pipes to complete the...
    GRCSB3-7831BB-S4
    OEM PRICE $487.05
    YOUR PRICE $389.64
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    OEM PRICE $487.05
    YOUR PRICE $389.64
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    4" 2 Bend OD Flare 304 Stainless Steel SB3-1015FL

    Grand Rock

    OEM PRICE $620.04
    YOUR PRICE $498.94
    GRCSB3-1015FL-S3 4" 2 Bend OD Flare 304 Stainless Steel SB3-1015FL What other exhaust parts will I need? Depending on your current exhaust system;you could need several truck pipes to complete the...
    GRCSB3-1015FL-S3
    OEM PRICE $620.04
    YOUR PRICE $498.94
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    OEM PRICE $620.04
    YOUR PRICE $498.94
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    4" X 24" Straight Top;OD Bottom 409 SS S4-120SBS4

    Grand Rock

    OEM PRICE $127.80
    YOUR PRICE $102.24
    GRCS4-24SBS4 4" X 24" Straight Top;OD Bottom 409 SS S4-120SBS4 What other exhaust parts will I need? Depending on your current exhaust system;you could need several truck pipes to complete the job...
    GRCS4-24SBS4
    OEM PRICE $127.80
    YOUR PRICE $102.24
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    OEM PRICE $127.80
    YOUR PRICE $102.24
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    42" Round Hole SS Shield M-771

    Grand Rock

    OEM PRICE $296.94
    YOUR PRICE $238.94
    GRCMG-42RS 42" Round Hole SS Shield M-771 What other exhaust parts will I need? Depending on your current exhaust system;you could need several truck pipes to complete the job.  If you are...
    GRCMG-42RS
    OEM PRICE $296.94
    YOUR PRICE $238.94
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    OEM PRICE $296.94
    YOUR PRICE $238.94
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    4" X 24" Curved Stack OD 409 Stainless Steel K35-18EXC

    Grand Rock

    OEM PRICE $212.48
    YOUR PRICE $169.98
    GRCK4-24SB-S4 4" X 24" Curved Stack OD 409 Stainless Steel K35-18EXC What other exhaust parts will I need? Depending on your current exhaust system;you could need several truck pipes to complete...
    GRCK4-24SB-S4
    OEM PRICE $212.48
    YOUR PRICE $169.98
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    OEM PRICE $212.48
    YOUR PRICE $169.98
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    Grab Handle;45" 304 Stainless Steel FL-27334-0

    Grand Rock

    OEM PRICE $270.84
    YOUR PRICE $217.94
    GRCGH-45S Grab Handle;45" 304 Stainless Steel FL-27334-0 What other exhaust parts will I need? Depending on your current exhaust system;you could need several truck pipes to complete the job...
    GRCGH-45S
    OEM PRICE $270.84
    YOUR PRICE $217.94
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    OEM PRICE $270.84
    YOUR PRICE $217.94
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    6" Flat Bolt Stainless Steel FB-5ZNEXP

    Grand Rock

    OEM PRICE $59.80
    YOUR PRICE $48.12
    GRCFB-6SS 6" Flat Bolt Stainless Steel FB-5ZNEXP What other exhaust parts will I need? Depending on your current exhaust system;you could need several truck pipes to complete the job.  If you...
    GRCFB-6SS
    OEM PRICE $59.80
    YOUR PRICE $48.12
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    OEM PRICE $59.80
    YOUR PRICE $48.12
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    4" 3 Bend ID/ID 409 Stainless Steel SB3-1487BB

    Grand Rock

    OEM PRICE $382.15
    YOUR PRICE $305.72
    GRCSB3-1487BB-S4 4" 3 Bend ID/ID 409 Stainless Steel SB3-1487BB What other exhaust parts will I need? Depending on your current exhaust system;you could need several truck pipes to complete the...
    GRCSB3-1487BB-S4
    OEM PRICE $382.15
    YOUR PRICE $305.72
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    OEM PRICE $382.15
    YOUR PRICE $305.72
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    8" Duplex Stack Kit,03-Newer Peterbilt 379,With Offsetbrkt 7SP-55SBC

    Grand Rock

    OEM PRICE $5,714.98
    YOUR PRICE $4,589.98
    GRC8PK-5655OSOE 8" Duplex Stack Kit,03-Newer Peterbilt 379,With Offsetbrkt 7SP-55SBC What other exhaust parts will I need? Depending on your current exhaust system;you could need several truck...
    GRC8PK-5655OSOE
    OEM PRICE $5,714.98
    YOUR PRICE $4,589.98
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    OEM PRICE $5,714.98
    YOUR PRICE $4,589.98
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    6" X 96",R5" OD Brute Stack;Black SBR6-48EXC

    Grand Rock

    OEM PRICE $1,374.98
    YOUR PRICE $1,099.98
    GRCSBR6-96SBS-5 6" X 96",R5" OD Brute Stack;Black SBR6-48EXC What other exhaust parts will I need? Depending on your current exhaust system;you could need several truck pipes to complete the job...
    GRCSBR6-96SBS-5
    OEM PRICE $1,374.98
    YOUR PRICE $1,099.98
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    OEM PRICE $1,374.98
    YOUR PRICE $1,099.98
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    Tube,6"X120,OD/OD Cr S5-60EX-S3

    Grand Rock

    OEM PRICE $428.98
    YOUR PRICE $346.48
    GRCS6-120SB Tube,6"X120,OD/OD Cr S5-60EX-S3 What other exhaust parts will I need? Depending on your current exhaust system;you could need several truck pipes to complete the job.  If you are...
    GRCS6-120SB
    OEM PRICE $428.98
    YOUR PRICE $346.48
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    OEM PRICE $428.98
    YOUR PRICE $346.48
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    Tube,3"X120;OD/OD Cr RS-3548A

    Grand Rock

    OEM PRICE $145.90
    YOUR PRICE $117.40
    GRCS3-120SB Tube,3"X120;OD/OD Cr RS-3548A What other exhaust parts will I need? Depending on your current exhaust system;you could need several truck pipes to complete the job.  If you are...
    GRCS3-120SB
    OEM PRICE $145.90
    YOUR PRICE $117.40
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    OEM PRICE $145.90
    YOUR PRICE $117.40
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    5" Duplex Y-Pipe Kit; Aluminized DEOX-12OZ-12PK

    Grand Rock

    OEM PRICE $383.98
    YOUR PRICE $308.98
    GRCDPLX-YKIT-ALZ 5" Duplex Y-Pipe Kit; Aluminized DEOX-12OZ-12PK What other exhaust parts will I need? Depending on your current exhaust system;you could need several truck pipes to complete the...
    GRCDPLX-YKIT-ALZ
    OEM PRICE $383.98
    YOUR PRICE $308.98
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    OEM PRICE $383.98
    YOUR PRICE $308.98
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    Duplex Kit 03-Newer Peterbilt 379 Retrofit With Offset Brackets 8PK-9052OSRF

    Grand Rock

    OEM PRICE $5,714.98
    YOUR PRICE $4,589.98
    GRC8PK-9055OSRF Duplex Kit 03-Newer Peterbilt 379 Retrofit With Offset Brackets 8PK-9052OSRF What other exhaust parts will I need? Depending on your current exhaust system;you could need several...
    GRC8PK-9055OSRF
    OEM PRICE $5,714.98
    YOUR PRICE $4,589.98
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    OEM PRICE $5,714.98
    YOUR PRICE $4,589.98
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    Duplex Kit 94-02 Peterbilt 379 Retro Fit With Offset Brackets 8PK-5655OSOE

    Grand Rock

    OEM PRICE $5,714.98
    YOUR PRICE $4,589.98
    GRC8PK-9052OSRF Duplex Kit 94-02 Peterbilt 379 Retro Fit With Offset Brackets 8PK-5655OSOE What other exhaust parts will I need? Depending on your current exhaust system;you could need several...
    GRC8PK-9052OSRF
    OEM PRICE $5,714.98
    YOUR PRICE $4,589.98
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    OEM PRICE $5,714.98
    YOUR PRICE $4,589.98
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    Duplex Kit 03-Newer Peterbilt 379 Retrofit With Offset Brackets 7PK-9052OSRF

    Grand Rock

    OEM PRICE $4,970.76
    YOUR PRICE $3,992.26
    GRC7PK-9055OSRF Duplex Kit 03-Newer Peterbilt 379 Retrofit With Offset Brackets 7PK-9052OSRF What other exhaust parts will I need? Depending on your current exhaust system;you could need several...
    GRC7PK-9055OSRF
    OEM PRICE $4,970.76
    YOUR PRICE $3,992.26
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    OEM PRICE $4,970.76
    YOUR PRICE $3,992.26
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    Duplex Kit 94-02 Peterbilt 379 Retro Fit With Offset Brackets 6SP-55SBC

    Grand Rock

    OEM PRICE $4,970.76
    YOUR PRICE $3,992.26
    GRC7PK-9052OSRF Duplex Kit 94-02 Peterbilt 379 Retro Fit With Offset Brackets 6SP-55SBC What other exhaust parts will I need? Depending on your current exhaust system;you could need several truck...
    GRC7PK-9052OSRF
    OEM PRICE $4,970.76
    YOUR PRICE $3,992.26
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    OEM PRICE $4,970.76
    YOUR PRICE $3,992.26
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    Duplex Kit 03-Newer Peterbilt 379 Retrofit With Offset Brackets 6PK-9052OSRF

    Grand Rock

    OEM PRICE $4,444.93
    YOUR PRICE $3,569.94
    GRC6PK-9055OSRF Duplex Kit 03-Newer Peterbilt 379 Retrofit With Offset Brackets 6PK-9052OSRF What other exhaust parts will I need? Depending on your current exhaust system;you could need several...
    GRC6PK-9055OSRF
    OEM PRICE $4,444.93
    YOUR PRICE $3,569.94
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    OEM PRICE $4,444.93
    YOUR PRICE $3,569.94
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    Duplex Kit 94-02 Peterbilt 379 Retro Fit With Offset Brackets 39660-L

    Grand Rock

    OEM PRICE $4,444.93
    YOUR PRICE $3,569.94
    GRC6PK-9052OSRF Duplex Kit 94-02 Peterbilt 379 Retro Fit With Offset Brackets 39660-L What other exhaust parts will I need? Depending on your current exhaust system;you could need several truck...
    GRC6PK-9052OSRF
    OEM PRICE $4,444.93
    YOUR PRICE $3,569.94
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    OEM PRICE $4,444.93
    YOUR PRICE $3,569.94
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    7"X36" Brute;R5" OD;Chrome SBR6-96SBS-5

    Grand Rock

    OEM PRICE $1,142.98
    YOUR PRICE $917.98
    GRCSBR7-36SBC-5 7"X36" Brute;R5" OD;Chrome SBR6-96SBS-5 What other exhaust parts will I need? Depending on your current exhaust system;you could need several truck pipes to complete the job...
    GRCSBR7-36SBC-5
    OEM PRICE $1,142.98
    YOUR PRICE $917.98
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    OEM PRICE $1,142.98
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