4.5 Inch Diameter

4.5 Inch Clamps

4.5 Inch Exhaust Pipes

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Grand Rock 4.5" ID to 4" OD Exhaust Reducer Aluminized Pipe R45I-4OA

MSRP: $114.34

$83.44

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Grand Rock 4.5" OD to 4" ID Exhaust Reducer Aluminized Pipe R45O-4IA

MSRP: $166.85

$135.96

R45O-4OA 4.5" OD to 4" OD Exhaust Reducer Aluminized Pipe

Grand Rock 4.5" OD to 4" OD Exhaust Reducer Aluminized Pipe R45O-4OA

MSRP: $106.10

$75.20

Grand Rock 4.5" Round Bolt Single Saddle Exhaust Clamp- Zinc Plated RB-45ZN

MSRP: $41.20

$17.58

Grand Rock 4.5" Round Bolt Open Saddle Exhaust Clamp RO-45P

MSRP: $41.19

$25.75

Grand Rock 4.5" Turbo Flare Lip for 8V71 Detroit Diesel x 6" Long T425-6ID

MSRP: $84.48

$53.57

Grand Rock 4.5" Flared Turbo Lip for Cummins Turbo x 6" Long Style A T450-6

MSRP: $69.03

$48.42

Grand Rock 4.5" Turbo Flare Lip for CAT C7/3116/3126 Style D TRF-450

MSRP: $125.67

$94.77

Grand Rock Dodge A49-3535399 V-Band Turbo Clamp VB-450

MSRP: $84.71

$43.50

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Grand Rock 6" ID to 4" ID Rubber Reducer Hump Hose for Air Intake RHH-6-4

MSRP: $183.00

$147.28

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4.5" x 120" Straight Cold Roll Steel Exhaust Tubing OD-OD S45-120SB

ShuttleWorth 4.5" x 120" Straight Cold Roll Steel Exhaust Tubing OD-OD 10-45

MSRP: $449.00

$319.00

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3826294C2 International Braided Exhaust Bellows Pipe - BEST (65509)

DINEX 3826294C2 International Braided Exhaust Bellows Pipe - BEST

MSRP: $1,171.09

$526.94

ShuttleWorth 4.5" Air Intake Exhaust Hump Hose 7-844

MSRP: $114.14

$68.02

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Grand Rock Curved Stack Od Chrome K4-96SBC

MSRP: $888.98

$735.40

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Grand Rock Cac Hose;4.5"X6.0" ID; Hot GREPF-35SS

MSRP: $169.98

$135.98

Grand Rock Cac Hose;4.5"X6" ID/ID;Cold CCAC-20080

MSRP: $106.98

$85.58

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Grand Rock Cac Hose;4"/4.5"X6.5" ID; Hot HCAC-12837

MSRP: $173.10

$138.48

4.5 Inch Exhaust Rain Cap Zinc Plated RC250 9450 - Thumbnail

Grand Rock 4.5 Inch Exhaust Rain Cap Zinc Plated RC250 9450

MSRP: $76.78

$63.64

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Grand Rock 4.5" X 120" Aluminized Tube OD S4-24SBS4

MSRP: $231.74

$192.08

19 products total