New Heavy Duty Semi Truck Exhaust Reducers

Shop our online inventory of New Heavy Duty Semi Truck Exhaust Reducers for sale online. Enjoy our hassle-free online checkout or call to speak to an expert.
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Grand Rock Exhaust R6I-5OC Exhaust Reducer

Grand Rock Exhaust R6I-5OC Exhaust Reducer - New

NEW - Reducer,6"id x 5"od,chr
Diameter: 6
Type: REDUCER
Material: CHROME
Item:GRE R6I-5OC
Des Moines, IA $107.85

Grand Rock Exhaust R4I-35IA Exhaust Reducer

Grand Rock Exhaust R4I-35IA Exhaust Reducer - New

NEW - Reducer,4"id x 3.5"id,alz
Diameter: 4
Type: REDUCER
Material: ALUMINIZED
Item:GRE R4I-35IA
$26.53

Grand Rock Exhaust CN-56A Exhaust Reducer

Grand Rock Exhaust CN-56A Exhaust Reducer - New

NEW - Connector,5"X6 ID-OD alz
Diameter: 5
Type: CONNECTOR
Material: ALUMINIZED
Item:GRE CN-56A
$25.74

Grand Rock Exhaust R6I-5IC Exhaust Reducer

Grand Rock Exhaust R6I-5IC Exhaust Reducer - New

NEW - Reducer,6"id x 5"id,chr
Diameter: 6
Type: REDUCER
Material: CHROME
Item:GRE R6I-5IC
$107.85

Grand Rock Exhaust R6I-5IA Exhaust Reducer

Grand Rock Exhaust R6I-5IA Exhaust Reducer - New

NEW - Reducer,6"id x 5"id,alz
Diameter: 6
Type: REDUCER
Material: ALUMINIZED
Item:GRE R6I-5IA
Multiple Locations $43.95

Grand Rock Exhaust R4I-35OA Exhaust Reducer: P/N P206322

Grand Rock Exhaust R4I-35OA Exhaust Reducer - New

NEW - Reducer,4"id x 3.5"od,alz
Diameter: 4
Type: REDUCER
Material: ALUMINIZED
Item:GRE R4I-35OA
Multiple Locations $26.53

Grand Rock Exhaust R6O-5IA Exhaust Reducer

Grand Rock Exhaust R6O-5IA Exhaust Reducer - New

NEW - Reducer,6"od x 5"id,alz
Diameter: 6
Type: REDUCER
Material: ALUMINIZED
Item:GRE R6O-5IA
Multiple Locations $43.95

R5O-4IA Exhaust Reducer
Item:GRE R5O-4IA
Multiple Locations $37.01

Grand Rock Exhaust R8O-5IA Exhaust Reducer

Grand Rock Exhaust R8O-5IA Exhaust Reducer - New

NEW - Reducer,8"od x 5"id,alz
Diameter: 8
Type: REDUCER
Material: ALUMINIZED
Item:GRE R8O-5IA
London, OH $99.80

Grand Rock Exhaust R8I-5IA Exhaust Reducer

Grand Rock Exhaust R8I-5IA Exhaust Reducer - New

NEW - Reducer,8"id x 5"id,alz
Diameter: 8
Type: REDUCER
Material: ALUMINIZED
Item:GRE R8I-5IA
$99.80

Grand Rock Exhaust CP-58A Exhaust Reducer: P/N P206375

Grand Rock Exhaust CP-58A Exhaust Reducer - New

NEW - Coupler,5"X8 id/id alz
Diameter: 5
Type: COUPLER
Material: ALUMINIZED
Item:GRE CP-58A
Multiple Locations $25.74

Grand Rock Exhaust R5O-4IA Exhaust Reducer: P/N P206328

Grand Rock Exhaust R5O-4IA Exhaust Reducer - New

NEW - Reducer 5"od x 4"id
Diameter: 5
Type: REDUCER
Material: ALUMINIZED
Item:GRE R5O-4IA
Multiple Locations $32.26

Grand Rock Exhaust R5I-4IA Exhaust Reducer

Grand Rock Exhaust R5I-4IA Exhaust Reducer - New

NEW - Reducer,5"id x 4"id,alz
Diameter: 5
Type: REDUCER
Material: ALUMINIZED
Item:GRE R5I-4IA
Multiple Locations $37.01

Grand Rock Exhaust R5I-4OA Exhaust Reducer: P/N P206323

Grand Rock Exhaust R5I-4OA Exhaust Reducer - New

NEW - Reducer,5"id x 4"od,alz
Diameter: 5
Type: REDUCER
Material: ALUMINIZED
Item:GRE R5I-4OA
Multiple Locations $37.01

Grand Rock Exhaust CP-48A Exhaust Reducer: P/N P206374

Grand Rock Exhaust CP-48A Exhaust Reducer - New

NEW - Coupler,4"X8 id/id alz
Diameter: 4
Type: COUPLER
Material: ALUMINIZED
Item:GRE CP-48A
Multiple Locations $24.13

Grand Rock Exhaust R5O-4OA Exhaust Reducer

Grand Rock Exhaust R5O-4OA Exhaust Reducer - New

NEW - Reducer,5"od x 4"od,alz
Diameter: 5
Type: REDUCER
Material: ALUMINIZED
Item:GRE R5O-4OA
Multiple Locations $37.01

Grand Rock Exhaust CP-58C Exhaust Reducer

Grand Rock Exhaust CP-58C Exhaust Reducer - New

NEW - Coupler,5"X8 id/id chr
Diameter: 5
Type: COUPLER
Material: CHROME
Item:GRE CP-58C
$69.21

Grand Rock Exhaust R40-250A Exhaust Reducer

Grand Rock Exhaust R40-250A Exhaust Reducer - New

NEW - REDUCER, 4" OD TO 2.5" OD 8" Length
Diameter: 4
Type: REDUCER
Material: ALUMINIZED
Item:GRE R40-250A
$79.70

Best Fit 09-0801751 Exhaust Reducer

Bf 09-0801751 Exhaust Reducer - New

NEW - 7-5 X 8 Inch Chrome Exhaust Reducer
Diameter:
Type:
Material: CHROME
Item:BF 09-0801751
$140.95

Grand Rock Exhaust KW-1214 Exhaust Reducer

Grand Rock Exhaust KW-1214 Exhaust Reducer - New

NEW - 5" 2-BEND od/od/od Y-PIPE, Alz
Item:GRE KW-1214
$273.68

Grand Rock Exhaust S35-8SBA Exhaust Reducer

Grand Rock Exhaust S35-8SBA Exhaust Reducer - New

NEW - Stack straight,3.5"X08,od/od alz
Diameter: 3.5
Type: CONNECTOR
Material: ALUMINIZED
Item:GRE S35-8SBA
$28.96

Grand Rock Exhaust S3-8SBA Exhaust Reducer

Grand Rock Exhaust S3-8SBA Exhaust Reducer - New

NEW - Stack straight,3"X08,od/od alz
Diameter: 3
Type: CONNECTOR
Material: ALUMINIZED
Item:GRE S3-8SBA
$28.96

Grand Rock Exhaust R7I-5IC Exhaust Reducer

Grand Rock Exhaust R7I-5IC Exhaust Reducer - New

NEW - Reducer,7"id x 5"id,chr
Diameter: 7
Type: REDUCER
Material: CHROME
Item:GRE R7I-5IC
$128.78

Grand Rock Exhaust R7I-5OC Exhaust Reducer

Grand Rock Exhaust R7I-5OC Exhaust Reducer - New

NEW - Reducer,7"id x 5"od,chr
Diameter: 7
Type: REDUCER
Material: CHROME
Item:GRE R7I-5OC
$128.78

Grand Rock Exhaust R7O-5IC Exhaust Reducer

Grand Rock Exhaust R7O-5IC Exhaust Reducer - New

NEW - Reducer,7"od x 5"id,chr
Diameter: 7
Type: REDUCER
Material: CHROME
Item:GRE R7O-5IC
$128.78

Grand Rock Exhaust R7O-5OC Exhaust Reducer

Grand Rock Exhaust R7O-5OC Exhaust Reducer - New

NEW - Reducer,7"od x 5"od,chr
Diameter: 7
Type: REDUCER
Material: CHROME
Item:GRE R7O-5OC
$128.78

Grand Rock Exhaust R4I-3IA Exhaust Reducer

Grand Rock Exhaust R4I-3IA Exhaust Reducer - New

NEW - Reducer,4"id X3"id,alz
Diameter: 4
Type: REDUCER
Material: ALUMINIZED
Item:GRE R4I-3IA
$26.53

Grand Rock Exhaust R4I-3OA Exhaust Reducer

Grand Rock Exhaust R4I-3OA Exhaust Reducer - New

NEW - Reducer,4"id x 3"od,alz
Diameter: 4
Type: REDUCER
Material: ALUMINIZED
Item:GRE R4I-3OA
$26.53

Grand Rock Exhaust R4O-35IA Exhaust Reducer

Grand Rock Exhaust R4O-35IA Exhaust Reducer - New

NEW - Reducer,4"od X3.5"id,alz
Diameter: 4
Type: REDUCER
Material: ALUMINIZED
Item:GRE R4O-35IA
$26.53

Grand Rock Exhaust R4O-35OA Exhaust Reducer

Grand Rock Exhaust R4O-35OA Exhaust Reducer - New

NEW - Reducer,4"od x 3.5"od,alz
Diameter: 4
Type: REDUCER
Material: ALUMINIZED
Item:GRE R4O-35OA
$26.53

Grand Rock Exhaust R4O-3IA Exhaust Reducer

Grand Rock Exhaust R4O-3IA Exhaust Reducer - New

NEW - Reducer,4"od x 3"id,alz
Diameter: 4
Type: REDUCER
Material: ALUMINIZED
Item:GRE R4O-3IA
$26.53

Grand Rock Exhaust R4O-3OA Exhaust Reducer

Grand Rock Exhaust R4O-3OA Exhaust Reducer - New

NEW - Reducer,4"od x 3"od,alz
Diameter: 4
Type: REDUCER
Material: ALUMINIZED
Item:GRE R4O-3OA
$26.53

Grand Rock Exhaust R5I-45IA Exhaust Reducer

Grand Rock Exhaust R5I-45IA Exhaust Reducer - New

NEW - Reducer,5"id x 4.5"id,alz
Diameter: 5
Type: REDUCER
Material: ALUMINIZED
Item:GRE R5I-45IA
$37.01

Grand Rock Exhaust R35I-3OA Exhaust Reducer

Grand Rock Exhaust R35I-3OA Exhaust Reducer - New

NEW - Reducer,3.5"id x 3"od,alz
Diameter: 3.5
Type: REDUCER
Material: ALUMINIZED
Item:GRE R35I-3OA
$24.13

Grand Rock Exhaust R35O-3IA Exhaust Reducer

Grand Rock Exhaust R35O-3IA Exhaust Reducer - New

NEW - Reducer,3.5"od x 3"id,alz
Diameter: 3.5
Type: REDUCER
Material: ALUMINIZED
Item:GRE R35O-3IA
$24.13

Grand Rock Exhaust R35O-3OA Exhaust Reducer

Grand Rock Exhaust R35O-3OA Exhaust Reducer - New

NEW - Reducer,3.5"od x 3"od,alz
Diameter: 3.5
Type: REDUCER
Material: ALUMINIZED
Item:GRE R35O-3OA
$24.13

Grand Rock Exhaust R3I-25IA Exhaust Reducer

Grand Rock Exhaust R3I-25IA Exhaust Reducer - New

NEW - Reducer,3"id x 2.5"id,alz
Diameter: 3
Type: REDUCER
Material: ALUMINIZED
Item:GRE R3I-25IA
$27.35

Grand Rock Exhaust R3O-25IA Exhaust Reducer

Grand Rock Exhaust R3O-25IA Exhaust Reducer - New

NEW - Reducer,3"od x 2.5"id,alz
Diameter: 3
Type: REDUCER
Material: ALUMINIZED
Item:GRE R3O-25IA
$27.35

Grand Rock Exhaust R3O-25OA Exhaust Reducer

Grand Rock Exhaust R3O-25OA Exhaust Reducer - New

NEW - Reducer,3"od x 2.5"od,alz
Diameter: 3
Type: REDUCER
Material: ALUMINIZED
Item:GRE R3O-25OA
$27.35

Grand Rock Exhaust R35I-3IA Exhaust Reducer

Grand Rock Exhaust R35I-3IA Exhaust Reducer - New

NEW - Reducer,3.5"id x 3"id,alz
Diameter: 3.5
Type: REDUCER
Material: ALUMINIZED
Item:GRE R35I-3IA
$24.13

Grand Rock Exhaust CP-68A Exhaust Reducer

Grand Rock Exhaust CP-68A Exhaust Reducer - New

NEW - Coupler,6"X8 id/id alz
Diameter: 6
Type: COUPLER
Material: ALUMINIZED
Item:GRE CP-68A
$32.18

Grand Rock Exhaust CP-68C Exhaust Reducer

Grand Rock Exhaust CP-68C Exhaust Reducer - New

NEW - Coupler,6"X8 id/id chr
Diameter: 6
Type: COUPLER
Material: CHROME
Item:GRE CP-68C
$86.92

Grand Rock Exhaust CP-78C Exhaust Reducer

Grand Rock Exhaust CP-78C Exhaust Reducer - New

NEW - Coupler,7"X8 id/id chr
Diameter: 7
Type: COUPLER
Material: CHROME
Item:GRE CP-78C
$107.85

Grand Rock Exhaust CP-88A Exhaust Reducer

Grand Rock Exhaust CP-88A Exhaust Reducer - New

NEW - Coupler,8"X8 id/id alz
Diameter: 8
Type: COUPLER
Material: ALUMINIZED
Item:GRE CP-88A
$72.43

Grand Rock Exhaust CP-258A Exhaust Reducer

Grand Rock Exhaust CP-258A Exhaust Reducer - New

NEW - Coupler,2.5"X8 id/id alz
Diameter: 2.5
Type: COUPLER
Material: ALUMINIZED
Item:GRE CP-258A
$19.95

Grand Rock Exhaust CP-28A Exhaust Reducer

Grand Rock Exhaust CP-28A Exhaust Reducer - New

NEW - Coupler,2"X8 id/id alz
Diameter: 2
Type: COUPLER
Material: ALUMINIZED
Item:GRE CP-28A
$20.91

Grand Rock Exhaust CP-358A Exhaust Reducer

Grand Rock Exhaust CP-358A Exhaust Reducer - New

NEW - Coupler,3.5"X8 id/id alz
Diameter: 3.5
Type: COUPLER
Material: ALUMINIZED
Item:GRE CP-358A
$22.52

Grand Rock Exhaust CP-38A Exhaust Reducer

Grand Rock Exhaust CP-38A Exhaust Reducer - New

NEW - Coupler,3"X8 id/id alz
Diameter: 3
Type: COUPLER
Material: ALUMINIZED
Item:GRE CP-38A
$20.38

Grand Rock Exhaust CP-48C Exhaust Reducer

Grand Rock Exhaust CP-48C Exhaust Reducer - New

NEW - Coupler,4"X8 id/id chr
Diameter: 4
Type: COUPLER
Material: CHROME
Item:GRE CP-48C
$59.55

Grand Rock Exhaust CP-56A Exhaust Reducer

Grand Rock Exhaust CP-56A Exhaust Reducer - New

NEW - 5" x 6" id/id alz coupler
Diameter: 5
Type: COUPLER
Material: ALUMINIZED
Item:GRE CP-56A
$25.74

Our Locations

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While Vander Haag's, Inc still holds strong to its family focused values that have been at the core of the business since first opening in 1939, the company now features 11 Midwest locations selling quality used/rebuilt/new truck parts, selling commercial trucks & trailers, and providing full service heavy duty truck repair. 43.178044 -95.155024  Spencer, IA 41.640436 -93.584249  Des Moines, IA 43.594099 -96.709450  Sioux Falls, SD 41.158006 -95.826804  Council Bluffs, IA 39.065417 -94.498172  Kansas City, MO 41.033283 -86.596167  Winamac, IN 39.740696 -86.255676  Indianapolis, IN 39.960151 -83.366700  London, OH 38.176011 -85.750102  Louisville, KY 32.807028 -96.873557  Dallas, TX 38.751480 -90.470276  Bridgeton, MO

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