GRAND ROCK

Elbow, 5 Inch Size, 45 Deg., 09 x 09 Inner Outer Dia., Aluminized

GRAND ROCK

Elbow, 5 Inch Size, 45 Deg., 09 x 09 Inner Outer Dia., Aluminized

Item: CM3ATX

Model: L545-0909A

£45.73/unit

RFQ

Elbow, 5 Inch Size, 45 Deg., 15 x 15 Inch Outer Dia., Aluminized

GRAND ROCK

Elbow, 5 Inch Size, 45 Deg., 15 x 15 Inch Outer Dia., Aluminized

Item: CM3AUF

Model: L545-1515SA

£47.72/unit

RFQ

Elbow, 5 Inch Size, 45 Deg., 18 x 18 Inner Outer Dia., Aluminized

GRAND ROCK

Elbow, 5 Inch Size, 45 Deg., 18 x 18 Inner Outer Dia., Aluminized

Item: CM3AUG

Model: L545-1818A

£50.01/unit

RFQ

Elbow, 5 Inch Size, 60 Deg., 10 x 10 Outer Dia., Aluminized

GRAND ROCK

Elbow, 5 Inch Size, 60 Deg., 10 x 10 Outer Dia., Aluminized

Item: CM3AUJ

Model: L560-1010SA

£43.96/unit

RFQ

Elbow, 6 Inch Size, 45 Deg., 15 x 15 Inner Outer Dia., Aluminized

GRAND ROCK

Elbow, 6 Inch Size, 45 Deg., 15 x 15 Inner Outer Dia., Aluminized

Item: CM3AVX

Model: L645-1515A

£105.38/unit

RFQ

Muffler, 8.5 x 29.5 Inch Size, 3.5-4 Inch Inner Dia., Aluminized

GRAND ROCK

Muffler, 8.5 x 29.5 Inch Size, 3.5-4 Inch Inner Dia., Aluminized

Item: CM3AWV

Model: M-110

£246.43/unit

RFQ

Muffler, 10 x 15 x 44 Inch Size, 5-6 Inch Inner Dia., Aluminized

GRAND ROCK

Muffler, 10 x 15 x 44 Inch Size, 5-6 Inch Inner Dia., Aluminized

Item: CM3AXA

Model: M-121L6

£429.85/unit

RFQ

Muffler, 10 x 36 Inch Size, 5 Inch Inner Dia., Aluminized

GRAND ROCK

Muffler, 10 x 36 Inch Size, 5 Inch Inner Dia., Aluminized

Item: CM3AXJ

Model: M-136

£246.66/unit

RFQ

Muffler, 7 x 14 Inch Size, Aluminized

GRAND ROCK

Muffler, 7 x 14 Inch Size, Aluminized

Item: CM3AXR

Model: M-150

£239.93/unit

RFQ

Muffler, 11 x 42 Inch Size, 4 Inch Inner Dia., Aluminized

GRAND ROCK

Muffler, 11 x 42 Inch Size, 4 Inch Inner Dia., Aluminized

Item: CM3AZD

Model: M-625

£281.63/unit

RFQ

Muffler, 10 x 44.5 Inch Size, 5-6 Inch Inner Dia., Aluminized

GRAND ROCK

Muffler, 10 x 44.5 Inch Size, 5-6 Inch Inner Dia., Aluminized

Item: CM3AZH

Model: M-656

£227.01/unit

RFQ

Muffler, 11 x 36 Inch Size, 5 Inch Inner Dia., Aluminized

GRAND ROCK

Muffler, 11 x 36 Inch Size, 5 Inch Inner Dia., Aluminized

Item: CM3AZJ

Model: M-672

£333.53/unit

RFQ

Muffler, 12 x 35 Inch Size, 5 Inch Inner Dia., Aluminized

GRAND ROCK

Muffler, 12 x 35 Inch Size, 5 Inch Inner Dia., Aluminized

Item: CM3AZW

Model: M-899

£669.15/unit

RFQ

Shield, 48 Inch Size, 270 Deg., Vertical Slots

GRAND ROCK

Shield, 48 Inch Size, 270 Deg., Vertical Slots

Item: CM3BBE

Model: MG-48270VS

£204.04/unit

RFQ

Pipe, 4 Inch Size, 4-Bend Inner Outer Dia., Aluminized

GRAND ROCK

Pipe, 4 Inch Size, 4-Bend Inner Outer Dia., Aluminized

Item: CM3BCT

Model: MK-32612

£146.92/unit

RFQ

Stack Exhaust Miter, 5 Inch Outer Dia. x 24 Inch Size, Chrome

GRAND ROCK

Stack Exhaust Miter, 5 Inch Outer Dia. x 24 Inch Size, Chrome

Item: CM3BER

Model: P5-24SBC

£113.37/unit

RFQ

Stack Exhaust Miter, 5 Inch Inner Dia. x 48 Inch Size, Chrome

GRAND ROCK

Stack Exhaust Miter, 5 Inch Inner Dia. x 48 Inch Size, Chrome

Item: CM3BEW

Model: P5-48EXC

£169.56/unit

RFQ

Stack Exhaust Miter, Angle Cut, 6 Inch Inner Dia. x 114 Inch Size, Chrome

GRAND ROCK

Stack Exhaust Miter, Angle Cut, 6 Inch Inner Dia. x 114 Inch Size, Chrome

Item: CM3BFH

Model: P6-114EXC

£696.41/unit

RFQ

Stack Exhaust Miter, 6 Inch Inner Dia. x 120 Inch Size, Chrome

GRAND ROCK

Stack Exhaust Miter, 6 Inch Inner Dia. x 120 Inch Size, Chrome

Item: CM3BFJ

Model: P6-120EXC

£796.10/unit

RFQ

Stack Exhaust Miter, 6 Inch Inner Dia. x 72 Inch Size, Chrome

GRAND ROCK

Stack Exhaust Miter, 6 Inch Inner Dia. x 72 Inch Size, Chrome

Item: CM3BFP

Model: P6-72EXC

£443.00/unit

RFQ

Elbow, 5 Inch Outer Dia., Aluminized

GRAND ROCK

Elbow, 5 Inch Outer Dia., Aluminized

Item: CM3BGG

Model: PB-01726

£80.38/unit

RFQ

Elbow, 5 Inch Size, 20 Deg., Inner Outer Dia., Aluminized

GRAND ROCK

Elbow, 5 Inch Size, 20 Deg., Inner Outer Dia., Aluminized

Item: CM3BHB

Model: PB-13409-E

£127.39/unit

RFQ

Bracket Cab Grommet

GRAND ROCK

Bracket Cab Grommet

Item: CM3BHU

Model: PB-14656U

£25.28/unit

RFQ

Clamp, 3.5 Inch Size, Aluminized, 10 Piece, Pre-form

GRAND ROCK

Clamp, 3.5 Inch Size, Aluminized, 10 Piece, Pre-form

Item: CM3BKM

Model: PF-35AVP

£96.90/unit

RFQ

Clamp, 5 Inch Size, Butt Joint, Aluminized

GRAND ROCK

Clamp, 5 Inch Size, Butt Joint, Aluminized

Item: CM3BLC

Model: PF-5ABT

£11.84/unit

RFQ

Bracket, 4 Inch Size, Chrome

GRAND ROCK

Bracket, 4 Inch Size, Chrome

Item: CM3BLV

Model: PG-4CBRKT

£45.40/unit

RFQ

Pipe Guard Bracket, 4 Inch Size, 304SS

GRAND ROCK

Pipe Guard Bracket, 4 Inch Size, 304SS

Item: CM3BLW

Model: PG-4S3BRKT

£55.40/unit

RFQ

Shield Kit, 5 x 48 Inch Size, Vertical, Stainless Steel

GRAND ROCK

Shield Kit, 5 x 48 Inch Size, Vertical, Stainless Steel

Item: CM3BMA

Model: PG-548VS

£177.70/unit

RFQ

Right Bracket, For DPU Kits

GRAND ROCK

Right Bracket, For DPU Kits

Item: CM3BQB

Model: PUB-R

£15.22/unit

RFQ

Reducer, 5 Inch Inner Dia. x 4 Inch Outer Dia., Aluminized

GRAND ROCK

Reducer, 5 Inch Inner Dia. x 4 Inch Outer Dia., Aluminized

Item: CM3BRJ

Model: R5I-4OA

£27.36/unit

RFQ

Reducer, 7 Inch Outer Dia. x 5 Inch Outer Dia., Aluminized

GRAND ROCK

Reducer, 7 Inch Outer Dia. x 5 Inch Outer Dia., Aluminized

Item: CM3BTG

Model: R7O-5OA

£48.64/unit

RFQ

Rain Cap, 2 Inch Size, Zinc

GRAND ROCK

Rain Cap, 2 Inch Size, Zinc

Item: CM3BUM

Model: RC-200

£25.00/unit

RFQ

Rain Cap, 8 Inch Size, Zinc

GRAND ROCK

Rain Cap, 8 Inch Size, Zinc

Item: CM3BVB

Model: RC-800

£138.99/unit

RFQ

Rubber Elbow, 5.5 Inch Size, 45 Deg. Rubber

GRAND ROCK

Rubber Elbow, 5.5 Inch Size, 45 Deg. Rubber

Item: CM3BVG

Model: RE-5545

£36.51/unit

RFQ

Rubber Elbow, 5 Inch Size, 90 Deg. Rubber

GRAND ROCK

Rubber Elbow, 5 Inch Size, 90 Deg. Rubber

Item: CM3BVJ

Model: RE-590

£47.18/unit

RFQ

Rubber Elbow, 7 Inch Size 53 Deg. Red, Rubber

GRAND ROCK

Rubber Elbow, 7 Inch Size 53 Deg. Red, Rubber

Item: CM3BVM

Model: RE-7653

£65.81/unit

RFQ

Reducer, 4.5 Inch Outer Dia., 5 Inch Inner Dia., Rubber

GRAND ROCK

Reducer, 4.5 Inch Outer Dia., 5 Inch Inner Dia., Rubber

Item: CM3BVW

Model: RI-5-45

£34.03/unit

RFQ

Clamp Saddle, 5 Inch Size, Steel

GRAND ROCK

Clamp Saddle, 5 Inch Size, Steel

Item: CM3BWR

Model: RO-5P

£6.15/unit

RFQ

Connector, 4 Inch Inner Dia. x 24 Inch Size, Aluminized

GRAND ROCK

Connector, 4 Inch Inner Dia. x 24 Inch Size, Aluminized

Item: CM3BXB

Model: RS-424A

£45.56/unit

RFQ

Stack Exhaust, Straight, 3.5 Inch Outer Dia. x 08 Inch Size, Aluminized

GRAND ROCK

Stack Exhaust, Straight, 3.5 Inch Outer Dia. x 08 Inch Size, Aluminized

Item: CM3BXZ

Model: S35-8SBA

£24.11/unit

RFQ

Stack Exhaust, Straight, 4 Inch Inner Outer Dia. x 120 Inch Size, Aluminized

GRAND ROCK

Stack Exhaust, Straight, 4 Inch Inner Outer Dia. x 120 Inch Size, Aluminized

Item: CM3BYC

Model: S4-120EXA

£128.30/unit

RFQ

Stack Exhaust, Straight, 4 Inch Outer Inner Dia. x 60 Inch Size, Aluminized

GRAND ROCK

Stack Exhaust, Straight, 4 Inch Outer Inner Dia. x 60 Inch Size, Aluminized

Item: CM3BZA

Model: S4-60EXA

£71.72/unit

RFQ

Stack Exhaust, Straight, 5 Inch Inner Outer Dia. x 72 Inch Size, Chrome

GRAND ROCK

Stack Exhaust, Straight, 5 Inch Inner Outer Dia. x 72 Inch Size, Chrome

Item: CM3CBH

Model: S5-72EXC

£286.49/unit

RFQ

Tube, 6 x 120 Inch Size, Outer Dia., Chrome

GRAND ROCK

Tube, 6 x 120 Inch Size, Outer Dia., Chrome

Item: CM3CBM

Model: S6-120SB

£210.87/unit

RFQ

Straight Cut, 6 Inch Inner Dia. x 96 Inch Size, Chrome

GRAND ROCK

Straight Cut, 6 Inch Inner Dia. x 96 Inch Size, Chrome

Item: CM3CBQ

Model: S6-96EXC

£584.85/unit

RFQ

Stack Aussie, 6 x 24 Inch Size, R5 Inch Outer Dia., Chrome

GRAND ROCK

Stack Aussie, 6 x 24 Inch Size, R5 Inch Outer Dia., Chrome

Item: CM3CCK

Model: SA6-24SBC

£246.76/unit

RFQ

Stack Aussie, 6 x 60 Inch Size, R5 Inch Outer Dia., Chrome

GRAND ROCK

Stack Aussie, 6 x 60 Inch Size, R5 Inch Outer Dia., Chrome

Item: CM3CCN

Model: SA6-60SBC

£419.75/unit

RFQ

Elbow, 3 Inch Size, 90 Deg., Outer Dia., Aluminized

GRAND ROCK

Elbow, 3 Inch Size, 90 Deg., Outer Dia., Aluminized

Item: CM3CDD

Model: SB1-8173BB

£118.09/unit

RFQ

Straight, 4 Inch Size, 2-Bend Outer Dia., Aluminized

GRAND ROCK

Straight, 4 Inch Size, 2-Bend Outer Dia., Aluminized

Item: CM3CDF

Model: SB2-0973TH

£160.10/unit

RFQ

Elbow, 4 Inch Size, 2-Bend Inner Outer Dia., Aluminized

GRAND ROCK

Elbow, 4 Inch Size, 2-Bend Inner Outer Dia., Aluminized

Item: CM3CEJ

Model: SB3-4901IH

£70.32/unit

RFQ

Flare, 3.5 Inch Size, 2-Bend Outer Dia., Aluminized

GRAND ROCK

Flare, 3.5 Inch Size, 2-Bend Outer Dia., Aluminized

Item: CM3CGE

Model: SB5-3637IH

£46.45/unit

RFQ

Stack Miter Exhaust, 4 Inch Size, 3-Bend Outer Dia., Aluminized

GRAND ROCK

Stack Miter Exhaust, 4 Inch Size, 3-Bend Outer Dia., Aluminized

Item: CM3CGN

Model: SB5-4173BB

£129.87/unit

RFQ

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About the Grand Rock

Since 1974, Grand Rock has been manufacturing quality exhaust systems to maximise the performance of trucks. Headquartered in Painesville, Ohio, USA, the brand benefits the automotive industry. The brand's catalogue includes bellow pipes, mufflers, air intake pipes and OE aftermarket exhaust systems. Grand Rock offers chrome and aluminised exhausts in curved, miter, bullhorn, straight, aussie, west coast curve and brute variants. The brand's OE aftermarket exhausts are used by renowned companies like Ford, Volvo, International, Kenworth and Sterling to enhance their vehicles' torque and horsepower.
Customers searching for the brand's exhaust systems can look for the model, item or cross-reference number on our website. We also source direct alternatives for various old and discontinued products with no minimum order quantity required for placing orders.

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