4'' EXHAUST PIPES
All of our 4 inch exhaust is manufactured right here in the USA. We sell only the best aftermarket truck components available to the market.

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4" Aluminized Stacks
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4" Chrome Stacks
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4" Aluminized Elbows
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4" Chrome Elbows
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4" Flex Exhaust Hose
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4" EXHAUST CLAMPS
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4" Y-PIPES
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4" Exhaust Elbow 45 Degree 9" x 9" Aluminized OD-OD L445-0909SA
Grand Rock
OEM PRICE $101.98YOUR PRICE $73.14L445-0909SA 4 inch Elbow 45 Degree 9 inch x 9 inch Aluminized OD-OD L445-0909SA 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 find...GRCL445-0909SAOEM PRICE $101.98YOUR PRICE $73.14 -
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4" Exhaust Elbow 45 Degree 9" x 9" ID-OD 409 Stainless Steel L445-0909S4
Grand Rock
OEM PRICE $203.93YOUR PRICE $146.25L445-0909S4 4 inch Elbow 45 Degree 9 inch x 9 inch ID-OD 409 Stainless Steel L445-0909S4 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...GRCL445-0909S4OEM PRICE $203.93YOUR PRICE $146.25 -
4" Exhaust Elbow 45 Degree 9" x 9" Aluminized ID-OD L445-0909A
Grand Rock
OEM PRICE $104.04YOUR PRICE $75.20L445-0909A 4 inch Elbow 45 Degree 9 inch x 9 inch Aluminized ID-OD L445-0909A 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 find out...GRCL445-0909AOEM PRICE $104.04YOUR PRICE $75.20 -
4" Exhaust Elbow 45 Degree 6" x 6" Aluminized ID-OD L445-0606A
Grand Rock
OEM PRICE $104.17YOUR PRICE $75.33L445-0606A 4 inch Elbow 45 Degree 6 inch x 6 inch Aluminized ID-OD L445-0606A 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 find out...GRCL445-0606AOEM PRICE $104.17YOUR PRICE $75.33 -
4" 30 Degree Aluminized Elbow with 4" Legs OD-OD L430-0404SA
Grand Rock
OEM PRICE $106.23YOUR PRICE $75.33L430-0404SA 4" 30 Degree Aluminized Elbow with 4" Legs OD-OD L430-0404SA 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 find out what...GRCL430-0404SAOEM PRICE $106.23YOUR PRICE $75.33 -
4" 30 Degree Aluminized Elbow with 4" Legs ID-OD L430-0404A
Grand Rock
OEM PRICE $116.54YOUR PRICE $75.33L430-0404A 4" 30 Degree Aluminized Elbow with 4" Legs ID-OD L430-0404A 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 find out what...GRCL430-0404AOEM PRICE $116.54YOUR PRICE $75.33 -
4" 15 Degree Exhaust Elbow 4" x 4" OD-OD Aluminized L415-0404SA
Grand Rock
OEM PRICE $104.17YOUR PRICE $75.33L415-0404SA 4 inch 15 Degree Elbow 4 x 4 OD-OD Aluminized L415-0404SA 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 find out what OEM...GRCL415-0404SAOEM PRICE $104.17YOUR PRICE $75.33 -
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4" 15 Degree Exhaust Elbow 4" x 4" ID-OD Aluminized L415-0404A
Grand Rock
OEM PRICE $104.17YOUR PRICE $75.33L415-0404A 4 inch 15 Degree Elbow 4 x 4 ID-OD Aluminized L415-0404A 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 find out what OEM...GRCL415-0404AOEM PRICE $104.17YOUR PRICE $75.33 -
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EBPB11863 or M66-6541-0405 Paccar Kenworth Bellows EGR Pipe
Grand Rock
OEM PRICE $761.16YOUR PRICE $380.07KW-6541-0405 EBPB11863 or M66-6541-0405 Paccar Kenworth Bellows EGR Pipe M66-6541-0405 What other exhaust parts will I need for my Kenworth Truck? You could need several parts to complete the overall system. If you are trying to determine the correct...GRCKW-6541-0405OEM PRICE $761.16YOUR PRICE $380.07 -
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EBPB11862 or KW-6541-0335 Paccar Bellows EGR Exhaust
Grand Rock
OEM PRICE $680.00YOUR PRICE $319.00KW-6541-0335 EBPB11862 or KW-6541-0335 Paccar Bellows EGR Exhaust M66-6541-0335 M66-7091-0335 What other exhaust parts will I need for my Kenworth Truck? You could need several parts to complete the overall system. If you are trying to determine...58537/KW-6541-0335OEM PRICE $680.00YOUR PRICE $319.00 -
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KW-6541-0320 Paccar Bellows Flex M66-7091-0320 or EBPB11861
Grand Rock
OEM PRICE $363.00YOUR PRICE $279.00KW-6541-0320 EBPB11861 or M66-6541-0320 Paccar Kenworth Bellows EGR Pipe M66-6541-0320 What other exhaust parts will I need for my Kenworth Truck? You could need several parts to complete the overall system. If you are trying to determine the correct...KW-6541-0320OEM PRICE $363.00YOUR PRICE $279.00 -
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4" x 96" Curved Stack ID Inlet Chrome Exhaust Tip K4-96EXC
Grand Rock
OEM PRICE $834.22YOUR PRICE $731.22K4-96EXC 4 inch x 96 inch Curved Stack ID Inlet Chrome K4-96EXC 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 find out what OEM pipe...GRCK4-96EXCOEM PRICE $834.22YOUR PRICE $731.22 -
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4" x 84" Curved Stack ID Inlet Chrome Exhaust Tip K4-84EXC
Grand Rock
OEM PRICE $792.36YOUR PRICE $637.87K4-84EXC 4 inch x 84 inch Curved Stack ID Inlet Chrome Exhaust Tip K4-84EXC 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 find out...GRCK4-84EXCOEM PRICE $792.36YOUR PRICE $637.87 -
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4" x 72" Curved Stack OD Inlet Chrome Exhaust Tip K4-72SBC
Grand Rock
OEM PRICE $438.11YOUR PRICE $386.62K4-72SBC 4 inch x 72 inch Curved Stack OD Inlet Chrome Exhaust Tip K4-72SBC 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 find out...GRCK4-72SBCOEM PRICE $438.11YOUR PRICE $386.62 -
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4" x 72" Curved Top ID Chrome Exhaust Pipe Tip K4-72EXC
Grand Rock
OEM PRICE $532.30YOUR PRICE $357.20K4-72EXC or AA 400 72 4 inch x 72 inch Curved Stack ID Chrome Exhaust Tip K4-72EXC K4-72EXC 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...GRCK4-72EXCOEM PRICE $532.30YOUR PRICE $357.20 -
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4" x 60" Curved Chrome Exhaust Tip Stack OD End K4-60SBC
Grand Rock
OEM PRICE $391.59YOUR PRICE $318.09K4-60SBC 4 inch x 60 inch Curved Chrome Exhaust Tip Stack OD End K4-60SBC 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 find out what...GRCK4-60SBCOEM PRICE $391.59YOUR PRICE $318.09 -
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4" x 60" Curved Top Aluminized Exhaust Stack OD End K4-60SBA
Grand Rock
OEM PRICE $197.59YOUR PRICE $135.79K4-60SBA 4 inch x 60 inch Curved Top Aluminized OD End K4-60SBA 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 find out what OEM pipe...GRCK4-60SBAOEM PRICE $197.59YOUR PRICE $135.79 -
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4" x 60" Curved Top Chrome Exhaust Stack ID Inlet K4-60EXC
Grand Rock
OEM PRICE $424.16YOUR PRICE $319.16K4-60EXC 4 inch x 60 inch Curved Stack ID Inlet Chrome Exhaust Tip K4-60EXC 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 find out...GRCK4-60EXCOEM PRICE $424.16YOUR PRICE $319.16 -
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4" x 60" Curved Top ID Bottom Aluminized Stack Pipe K4-60EXA
Grand Rock
OEM PRICE $177.30YOUR PRICE $146.40K4-60EXA 4 inch x 60 inch Curved Top ID Bottom Aluminized K4-60EXA 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 find out what OEM...GRCK4-60EXAOEM PRICE $177.30YOUR PRICE $146.40 -
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4" x 48" Curved Chrome Exhaust Tip Stack OD K4-48SBC
Grand Rock
OEM PRICE $329.47YOUR PRICE $255.97K4-48SBC 4 inch x 48 inch Curved Chrome Exhaust Tip Stack OD End K4-48SBC or AA40048PL 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...GRCK4-48SBCOEM PRICE $329.47YOUR PRICE $255.97 -
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4" x 48" Curved Top Aluminized Exhaust Stack OD End K4-48SBA
Grand Rock
OEM PRICE $190.47YOUR PRICE $138.97K4-48SBA 4 inch x 48 inch Curved Stack OD Inlet Aluminized K4-48SBA 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 find out what OEM...GRCK4-48SBAOEM PRICE $190.47YOUR PRICE $138.97 -
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4" x 48" Curved Stack ID Inlet Chrome Exhaust Tip K4-48EXC
Grand Rock
OEM PRICE $288.75YOUR PRICE $225.75K4-48EXC 4 inch x 48 inch Curved Stack ID Inlet Chrome Exhaust Tip K4-48EXC 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 find out...GRCK4-48EXCOEM PRICE $288.75YOUR PRICE $225.75 -
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4" x 36" Curved Chrome Exhaust Stack Pipe OD End K4-36SBC
Grand Rock
OEM PRICE $214.21YOUR PRICE $182.71K4-36SBC 4 inch x 36 inch Curved Chrome Stack OD End K4-36SBC 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 find out what OEM pipe...GRCK4-36SBCOEM PRICE $214.21YOUR PRICE $182.71 -
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4" x 36" Curved Top Aluminized Stack OD End K4-36SBA
Grand Rock
OEM PRICE $147.28YOUR PRICE $106.09K4-36SBA 4 inch x 36 inch Curved Top Aluminized OD End K4-36SBA 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 find out what OEM pipe...GRCK4-36SBAOEM PRICE $147.28YOUR PRICE $106.09 -
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4" x 36" Curved Stack ID Inlet Chrome Stack Pipe K4-36EXC
Grand Rock
OEM PRICE $245.71YOUR PRICE $193.21K4-36EXC 4 inch x 36 inch Curved Stack ID Inlet Chrome K4-36EXC 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 find out what OEM pipe...GRCK4-36EXCOEM PRICE $245.71YOUR PRICE $193.21 -
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4" x 36" Curved ID Aluminized Exhaust Stack Pipe K4-36EXA
Grand Rock
OEM PRICE $146.26YOUR PRICE $105.06K4-36EXA 4 inch x 36 inch Curved ID Aluminized Stack K4-36EXA 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 find out what OEM pipe...GRCK4-36EXAOEM PRICE $146.26YOUR PRICE $105.06 -
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4" x 24" Curved Top Stack Exhaust OD Inlet Chrome K4-24SBC
Grand Rock
OEM PRICE $198.44YOUR PRICE $156.44K4-24SBC 4 inch x 24 inch Curved Stack Exhaust OD Inlet Chrome K4-24SBC 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 find out what...GRCK4-24SBCOEM PRICE $198.44YOUR PRICE $156.44 -
4" x 24" Curved Top Aluminized Stack OD End K4-24SBA
Grand Rock
OEM PRICE $104.03YOUR PRICE $73.13K4-24SBA 4 inch x 24 inch Curved Top Aluminized OD End K4-24SBA 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 find out what OEM pipe...GRCK4-24SBAOEM PRICE $104.03YOUR PRICE $73.13 -
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4" x 24" Curved Top ID Chrome Stack pipe K4-24EXC
Grand Rock
OEM PRICE $213.14YOUR PRICE $160.64K4-24EXC 4 inch x 24 inch Curved ID Chrome Stack pipe K4-24EXC 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 find out what OEM pipe...GRCK4-24EXCOEM PRICE $213.14YOUR PRICE $160.64 -
4" x 24" Curved ID Aluminized Exhaust Stack Pipe K4-24EXA
Grand Rock
OEM PRICE $104.03YOUR PRICE $83.43K4-24EXA 4 inch x 24 inch Curved ID Aluminized Stacks K4-24EXA 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 find out what OEM pipe...GRCK4-24EXAOEM PRICE $104.03YOUR PRICE $83.43 -
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4" x 18" Curved Top Stack Pipe OD Bottom Chrome K4-18SBC
Grand Rock
OEM PRICE $217.35YOUR PRICE $164.85K4-18SBC 4 inch x 18 inch Curved Stack OD Bottom Chrome K4-18SBC 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 find out what OEM pipe...GRCK4-18SBCOEM PRICE $217.35YOUR PRICE $164.85 -
4" x 18" Curved ID Aluminized Exhaust Stack pipe K4-18EXA
Grand Rock
OEM PRICE $134.93YOUR PRICE $73.13K4-18EXA 4 inch x 18 inch Curved ID Aluminized Stack pipe K4-18EXA 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 find out what OEM...GRCK4-18EXAOEM PRICE $134.93YOUR PRICE $73.13 -
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4" x 12" Curved OD Chrome Exhaust Stack pipe K4-12SBC
Grand Rock
OEM PRICE $192.15YOUR PRICE $139.65K4-12SBC 4 inch x 12 inch Curved OD Chrome Stack pipe K4-12SBC 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 find out what OEM pipe...GRCK4-12SBCOEM PRICE $192.15YOUR PRICE $139.65 -
4" x 12" Curved Top Aluminized Stack OD End K4-12SBA
Grand Rock
OEM PRICE $104.03YOUR PRICE $73.13K4-12SBA 4 inch x 12 inch Curved Top Aluminized OD End K4-12SBA 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 find out what OEM pipe...GRCK4-12SBAOEM PRICE $104.03YOUR PRICE $73.13 -
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4" x 12" Curved Chrome Exhaust Stack Pipe ID End K4-12EXC
Grand Rock
OEM PRICE $202.65YOUR PRICE $150.15K4-12EXC 4 inch x 12 inch ID Curved Chrome Exhaust Stack Pipe K4-12EXC 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 find out what...GRCK4-12EXCOEM PRICE $202.65YOUR PRICE $150.15 -
4" x 12" Curved ID Aluminized Stack Exhaust Pipe K4-12EXA
Grand Rock
OEM PRICE $104.03YOUR PRICE $73.13K4-12EXA 4 inch x 12 inch Curved ID Aluminized Stack Exhaust Pipe K4-12EXA 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 find out...GRCK4-12EXAOEM PRICE $104.03YOUR PRICE $73.13 -
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4 inch x 18 inch Internal Exhaust Baffle Tube (PAIR) IM-418
Grand Rock
OEM PRICE $308.00YOUR PRICE $224.56IM-418 4 inch x 18 inch Internal Muffler Baffle Tube SOLD IN PAIRS ONLY Single Use WILL Cause Engine Failure!! *This is a replacement muffler intended for sound control only or strictly to replace an existing muffler. It does not alter or...25284OEM PRICE $308.00YOUR PRICE $224.56 -
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598286C1 International 9300 5"to 4" Exhaust Y-Pipe IH-286C1
Grand Rock
OEM PRICE $445.98YOUR PRICE $291.48IH-286C1 598286C1 International 9300 5"to 4" Exhaust Y-Pipe IH-286C1 What other exhaust parts will I need for my International Truck? Depending on your current exhaust system;you could need several truck pipes to complete the job. If you...GRCIH-286C1OEM PRICE $445.98YOUR PRICE $291.48 -
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598275C1 International Chrome Elbow Reduced 6" to 4" IH-275-6C
Grand Rock
OEM PRICE $631.39YOUR PRICE $435.69IH-275-6C 598275C1 International Chrome Elbow 6" OD to 4"OD IH-275-6C 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 find out what OEM...GRCIH-275-6COEM PRICE $631.39YOUR PRICE $435.69 -
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598275C1 International Chrome Elbow Reduced 5" to 4" IH-275-5C
Grand Rock
OEM PRICE $524.28YOUR PRICE $390.38IH-275-5C 598275C1 International Chrome Elbow 5" OD to 4"OD IH-275-5C 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 find out what OEM...GRCIH-275-5COEM PRICE $524.28YOUR PRICE $390.38