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Featured Products:

2.3L OMC 4 Cylinder Replacment Exhaust Manifolds

2.3L OMC 4 Cylinder Replacment Exhaust Manifolds

2.3L OMC 4 Cylinder Replacment Exhaust Manifolds

  • Polished finished
  • Zinc anode (replaceable)
  • Approx. 1/4 the weight of cast manifolds
  • Smooth even flow of cooling water to all surfaces
  • Replaces Stock OEM Exhaust systems
  • Standard replacement exact fittings and higher than standard eg. 3", 6" 12" etc. manifolds
  • One piece design eliminates the possibility of gasket failure resulting in engine failure
  • Only one water inlet reduces the chances of leaking
  • No gaskets included in this package
  • 5 Year Limited Warranty

Hi-Tek vs Indmar (350 Chevy)
260 HP Mercruiser Dyno Test
260 Mercruiser Test Dyno Report

  1. Water mixes with exhaust gases
  2. Extractor design for cylinder scavenging for maximum efficiency
  3. One piece design eliminates the possibility of gasket failure resulting in engine failure
  4. Only one water inlet reduces the chances of leaking
  5. Anode prevents electrolysis

Your Price: $1,999.99 
Part Number: 652-HT15

302/351 Ford Indmar Replacement Exhaust Manifolds

302/351 Ford Indmar Replacement Exhaust Manifolds

302/351 Ford Indmar Replacement Exhaust Manifolds

  • Polished finished
  • Zinc anode (replaceable)
  • Approx. 1/4 the weight of cast manifolds
  • Smooth even flow of cooling water to all surfaces
  • Replaces Stock OEM Exhaust systems
  • Standard replacement exact fittings and higher than standard eg. 3", 6" 12" etc. manifolds
  • One piece design eliminates the possibility of gasket failure resulting in engine failure
  • Only one water inlet reduces the chances of leaking
  • 5 Year Limited Warranty

Hi-Tek vs Indmar (350 Chevy)
260 HP Mercruiser Dyno Test
260 Mercruiser Test Dyno Report

  1. Water mixes with exhaust gases
  2. Extractor design for cylinder scavenging for maximum efficiency
  3. One piece design eliminates the possibility of gasket failure resulting in engine failure
  4. Only one water inlet reduces the chances of leaking
  5. Anode prevents electrolysis

Your Price: $2,199.99 
Part Number: 652-HT37

308 Indmar Replacement Exhaust Manifolds

308 Indmar Replacement Exhaust Manifolds

308 Indmar Replacement Exhaust Manifolds

  • Polished finished
  • Zinc anode (replaceable)
  • Approx. 1/4 the weight of cast manifolds
  • Smooth even flow of cooling water to all surfaces
  • Replaces Stock OEM Exhaust systems
  • Standard replacement exact fittings and higher than standard eg. 3", 6" 12" etc. manifolds
  • One piece design eliminates the possibility of gasket failure resulting in engine failure
  • Only one water inlet reduces the chances of leaking
  • 5 Year Limited Warranty

Hi-Tek vs Indmar (350 Chevy)
260 HP Mercruiser Dyno Test
260 Mercruiser Test Dyno Report

  1. Water mixes with exhaust gases
  2. Extractor design for cylinder scavenging for maximum efficiency
  3. One piece design eliminates the possibility of gasket failure resulting in engine failure
  4. Only one water inlet reduces the chances of leaking
  5. Anode prevents electrolysis

Your Price: $2,199.99 
Part Number: 652-HT39

318 Chrysler Direct Drive Replacement Exhaust Manifolds

318 Chrysler Direct Drive Replacement Exhaust Manifolds

318 Chrysler Direct Drive Replacement Exhaust Manifolds

  • Polished finished
  • Zinc anode (replaceable)
  • Approx. 1/4 the weight of cast manifolds
  • Smooth even flow of cooling water to all surfaces
  • Replaces Stock OEM Exhaust systems
  • Standard replacement exact fittings and higher than standard eg. 3", 6" 12" etc. manifolds
  • One piece design eliminates the possibility of gasket failure resulting in engine failure
  • Only one water inlet reduces the chances of leaking
  • 5 Year Limited Warranty

Hi-Tek vs Indmar (350 Chevy)
260 HP Mercruiser Dyno Test
260 Mercruiser Test Dyno Report

  1. Water mixes with exhaust gases
  2. Extractor design for cylinder scavenging for maximum efficiency
  3. One piece design eliminates the possibility of gasket failure resulting in engine failure
  4. Only one water inlet reduces the chances of leaking
  5. Anode prevents electrolysis

Your Price: $2,199.99 
Part Number: 652-HT20

318 Chrysler Stern Drive Replacement Exhaust Manifolds

318 Chrysler Stern Drive Replacement Exhaust Manifolds

318 Chrysler Stern Drive Replacement Exhaust Manifolds

  • Polished finished
  • Zinc anode (replaceable)
  • Approx. 1/4 the weight of cast manifolds
  • Smooth even flow of cooling water to all surfaces
  • Replaces Stock OEM Exhaust systems
  • Standard replacement exact fittings and higher than standard eg. 3", 6" 12" etc. manifolds
  • One piece design eliminates the possibility of gasket failure resulting in engine failure
  • Only one water inlet reduces the chances of leaking
  • 5 Year Limited Warranty

Hi-Tek vs Indmar (350 Chevy)
260 HP Mercruiser Dyno Test
260 Mercruiser Test Dyno Report

  1. Water mixes with exhaust gases
  2. Extractor design for cylinder scavenging for maximum efficiency
  3. One piece design eliminates the possibility of gasket failure resulting in engine failure
  4. Only one water inlet reduces the chances of leaking
  5. Anode prevents electrolysis

Your Price: $2,199.99 
Part Number: 652-HT21

350 Chevy Indmar Replacement Exhaust Manifolds

350 Chevy Indmar Replacement Exhaust Manifolds

350 Chevy Indmar Replacement Exhaust Manifolds

  • Polished finished
  • Zinc anode (replaceable)
  • Approx. 1/4 the weight of cast manifolds
  • Smooth even flow of cooling water to all surfaces
  • Replaces Stock OEM Exhaust systems
  • Standard replacement exact fittings and higher than standard eg. 3", 6" 12" etc. manifolds
  • One piece design eliminates the possibility of gasket failure resulting in engine failure
  • Only one water inlet reduces the chances of leaking
  • 5 Year Limited Warranty

Hi-Tek vs Indmar (350 Chevy)
260 HP Mercruiser Dyno Test
260 Mercruiser Test Dyno Report

  1. Water mixes with exhaust gases
  2. Extractor design for cylinder scavenging for maximum efficiency
  3. One piece design eliminates the possibility of gasket failure resulting in engine failure
  4. Only one water inlet reduces the chances of leaking
  5. Anode prevents electrolysis

Your Price: $2,199.99 
Part Number: 652-HT36

350 Chevy Indmar Replacement Exhaust Manifolds, 3-1/2

350 Chevy Indmar Replacement Exhaust Manifolds, 3-1/2" Hose

350 Chevy Indmar Replacement Exhaust Manifolds, 3-1/2" Hose

  • Polished finished
  • Zinc anode (replaceable)
  • Approx. 1/4 the weight of cast manifolds
  • Smooth even flow of cooling water to all surfaces
  • Replaces Stock OEM Exhaust systems
  • Standard replacement exact fittings and higher than standard eg. 3", 6" 12" etc. manifolds
  • One piece design eliminates the possibility of gasket failure resulting in engine failure
  • Only one water inlet reduces the chances of leaking
  • 5 Year Limited Warranty

Hi-Tek vs Indmar (350 Chevy)
260 HP Mercruiser Dyno Test
260 Mercruiser Test Dyno Report

  1. Water mixes with exhaust gases
  2. Extractor design for cylinder scavenging for maximum efficiency
  3. One piece design eliminates the possibility of gasket failure resulting in engine failure
  4. Only one water inlet reduces the chances of leaking
  5. Anode prevents electrolysis

Your Price: $2,199.99 
Part Number: 652-HT40

350 Chevy Late Model Indmar Replacement Exhaust Manifolds

350 Chevy Late Model Indmar Replacement Exhaust Manifolds

350 Chevy Late Model Indmar Replacement Exhaust Manifolds

  • Polished finished
  • Zinc anode (replaceable)
  • Approx. 1/4 the weight of cast manifolds
  • Smooth even flow of cooling water to all surfaces
  • Replaces Stock OEM Exhaust systems
  • Standard replacement exact fittings and higher than standard eg. 3", 6" 12" etc. manifolds
  • One piece design eliminates the possibility of gasket failure resulting in engine failure
  • Only one water inlet reduces the chances of leaking
  • 5 Year Limited Warranty

Hi-Tek vs Indmar (350 Chevy)
260 HP Mercruiser Dyno Test
260 Mercruiser Test Dyno Report

  1. Water mixes with exhaust gases
  2. Extractor design for cylinder scavenging for maximum efficiency
  3. One piece design eliminates the possibility of gasket failure resulting in engine failure
  4. Only one water inlet reduces the chances of leaking
  5. Anode prevents electrolysis

Your Price: $2,749.99 
Part Number: 652-HT59

350 Chevy Mercruiser 3

350 Chevy Mercruiser 3" Higher Replacement Exhaust Manifolds

350 Chevy Mercruiser 3" Higher Replacement Exhaust Manifolds

  • Polished finished
  • Zinc anode (replaceable)
  • Approx. 1/4 the weight of cast manifolds
  • Smooth even flow of cooling water to all surfaces
  • Replaces Stock OEM Exhaust systems
  • Standard replacement exact fittings and higher than standard eg. 3", 6" 12" etc. manifolds
  • One piece design eliminates the possibility of gasket failure resulting in engine failure
  • Only one water inlet reduces the chances of leaking
  • 5 Year Limited Warranty

Hi-Tek vs Indmar (350 Chevy)
260 HP Mercruiser Dyno Test
260 Mercruiser Test Dyno Report

  1. Water mixes with exhaust gases
  2. Extractor design for cylinder scavenging for maximum efficiency
  3. One piece design eliminates the possibility of gasket failure resulting in engine failure
  4. Only one water inlet reduces the chances of leaking
  5. Anode prevents electrolysis

Your Price: $2,399.99 
Part Number: 652-HT12

350 Chevy OMC Center Rise Replacement Exhaust Manifolds

350 Chevy OMC Center Rise Replacement Exhaust Manifolds

350 Chevy OMC Center Rise Replacement Exhaust Manifolds

  • Polished finished
  • Zinc anode (replaceable)
  • Approx. 1/4 the weight of cast manifolds
  • Smooth even flow of cooling water to all surfaces
  • Replaces Stock OEM Exhaust systems
  • Standard replacement exact fittings and higher than standard eg. 3", 6" 12" etc. manifolds
  • One piece design eliminates the possibility of gasket failure resulting in engine failure
  • Only one water inlet reduces the chances of leaking
  • 5 Year Limited Warranty

Hi-Tek vs Indmar (350 Chevy)
260 HP Mercruiser Dyno Test
260 Mercruiser Test Dyno Report

  1. Water mixes with exhaust gases
  2. Extractor design for cylinder scavenging for maximum efficiency
  3. One piece design eliminates the possibility of gasket failure resulting in engine failure
  4. Only one water inlet reduces the chances of leaking
  5. Anode prevents electrolysis

Your Price: $2,199.99 
Part Number: 652-HT14

350 Chevy OMC End Dump Replacement Exhaust Manifolds

350 Chevy OMC End Dump Replacement Exhaust Manifolds

350 Chevy OMC End Dump Replacement Exhaust Manifolds

  • Polished finished
  • Zinc anode (replaceable)
  • Approx. 1/4 the weight of cast manifolds
  • Smooth even flow of cooling water to all surfaces
  • Replaces Stock OEM Exhaust systems
  • Standard replacement exact fittings and higher than standard eg. 3", 6" 12" etc. manifolds
  • One piece design eliminates the possibility of gasket failure resulting in engine failure
  • Only one water inlet reduces the chances of leaking
  • 5 Year Limited Warranty

Hi-Tek vs Indmar (350 Chevy)
260 HP Mercruiser Dyno Test
260 Mercruiser Test Dyno Report

  1. Water mixes with exhaust gases
  2. Extractor design for cylinder scavenging for maximum efficiency
  3. One piece design eliminates the possibility of gasket failure resulting in engine failure
  4. Only one water inlet reduces the chances of leaking
  5. Anode prevents electrolysis

Your Price: $2,199.99 
Part Number: 652-HT16

351 Ford Cleveland Indmar Replacement Exhaust Manifolds

351 Ford Cleveland Indmar Replacement Exhaust Manifolds

351 Ford Cleveland Indmar Replacement Exhaust Manifolds

  • Polished finished
  • Zinc anode (replaceable)
  • Approx. 1/4 the weight of cast manifolds
  • Smooth even flow of cooling water to all surfaces
  • Replaces Stock OEM Exhaust systems
  • Standard replacement exact fittings and higher than standard eg. 3", 6" 12" etc. manifolds
  • One piece design eliminates the possibility of gasket failure resulting in engine failure
  • Only one water inlet reduces the chances of leaking
  • 5 Year Limited Warranty

Hi-Tek vs Indmar (350 Chevy)
260 HP Mercruiser Dyno Test
260 Mercruiser Test Dyno Report

  1. Water mixes with exhaust gases
  2. Extractor design for cylinder scavenging for maximum efficiency
  3. One piece design eliminates the possibility of gasket failure resulting in engine failure
  4. Only one water inlet reduces the chances of leaking
  5. Anode prevents electrolysis

Your Price: $2,199.99 
Part Number: 652-HT55

351 Ford OMC Center Rise Replacement Exhaust Manifolds

351 Ford OMC Center Rise Replacement Exhaust Manifolds

351 Ford OMC Center Rise Replacement Exhaust Manifolds

  • Polished finished
  • Zinc anode (replaceable)
  • Approx. 1/4 the weight of cast manifolds
  • Smooth even flow of cooling water to all surfaces
  • Replaces Stock OEM Exhaust systems
  • Standard replacement exact fittings and higher than standard eg. 3", 6" 12" etc. manifolds
  • One piece design eliminates the possibility of gasket failure resulting in engine failure
  • Only one water inlet reduces the chances of leaking
  • 5 Year Limited Warranty

Hi-Tek vs Indmar (350 Chevy)
260 HP Mercruiser Dyno Test
260 Mercruiser Test Dyno Report

  1. Water mixes with exhaust gases
  2. Extractor design for cylinder scavenging for maximum efficiency
  3. One piece design eliminates the possibility of gasket failure resulting in engine failure
  4. Only one water inlet reduces the chances of leaking
  5. Anode prevents electrolysis

Your Price: $2,199.99 
Part Number: 652-HT19

4.3L V6 Chevrolet Mercruiser Replacement Exhaust Manifolds, 4” Hose

4.3L V6 Chevrolet Mercruiser Replacement Exhaust Manifolds, 4" Hose

4.3L V6 Chevrolet Mercruiser Replacement Exhaust Manifolds, 4” Hose

  • Polished finished
  • Zinc anode (replaceable)
  • Approx. 1/4 the weight of cast manifolds
  • Smooth even flow of cooling water to all surfaces
  • Replaces Stock OEM Exhaust systems
  • Standard replacement exact fittings and higher than standard eg. 3", 6" 12" etc. manifolds
  • One piece design eliminates the possibility of gasket failure resulting in engine failure
  • Only one water inlet reduces the chances of leaking
  • 5 Year Limited Warranty

Hi-Tek vs Indmar (350 Chevy)
260 HP Mercruiser Dyno Test
260 Mercruiser Test Dyno Report

  1. Water mixes with exhaust gases
  2. Extractor design for cylinder scavenging for maximum efficiency
  3. One piece design eliminates the possibility of gasket failure resulting in engine failure
  4. Only one water inlet reduces the chances of leaking
  5. Anode prevents electrolysis

Your Price: $2,099.99 
Part Number: 652-HT5

4.3L V6 Chevrolet OMC Replacement Exhaust Manifolds

4.3L V6 Chevrolet OMC Replacement Exhaust Manifolds

4.3L V6 Chevrolet OMC Replacement Exhaust Manifolds

  • Polished finished
  • Zinc anode (replaceable)
  • Approx. 1/4 the weight of cast manifolds
  • Smooth even flow of cooling water to all surfaces
  • Replaces Stock OEM Exhaust systems
  • Standard replacement exact fittings and higher than standard eg. 3", 6" 12" etc. manifolds
  • One piece design eliminates the possibility of gasket failure resulting in engine failure
  • Only one water inlet reduces the chances of leaking
  • 5 Year Limited Warranty

Hi-Tek vs Indmar (350 Chevy)
260 HP Mercruiser Dyno Test
260 Mercruiser Test Dyno Report

  1. Water mixes with exhaust gases
  2. Extractor design for cylinder scavenging for maximum efficiency
  3. One piece design eliminates the possibility of gasket failure resulting in engine failure
  4. Only one water inlet reduces the chances of leaking
  5. Anode prevents electrolysis

Your Price: $2,099.99 
Part Number: 652-HT17

427 Ford Indmar Style Replacement Exhaust Manifolds

427 Ford Indmar Style Replacement Exhaust Manifolds

427 Ford Indmar Style Replacement Exhaust Manifolds

  • Polished finished
  • Zinc anode (replaceable)
  • Approx. 1/4 the weight of cast manifolds
  • Smooth even flow of cooling water to all surfaces
  • Replaces Stock OEM Exhaust systems
  • Standard replacement exact fittings and higher than standard eg. 3", 6" 12" etc. manifolds
  • One piece design eliminates the possibility of gasket failure resulting in engine failure
  • Only one water inlet reduces the chances of leaking
  • 5 Year Limited Warranty

Hi-Tek vs Indmar (350 Chevy)
260 HP Mercruiser Dyno Test
260 Mercruiser Test Dyno Report

  1. Water mixes with exhaust gases
  2. Extractor design for cylinder scavenging for maximum efficiency
  3. One piece design eliminates the possibility of gasket failure resulting in engine failure
  4. Only one water inlet reduces the chances of leaking
  5. Anode prevents electrolysis

Your Price: $2,749.99 
Part Number: 652-HT58

440 Chrysler Center Rise Replacement Exhaust Manifolds

440 Chrysler Center Rise Replacement Exhaust Manifolds

440 Chrysler Center Rise Replacement Exhaust Manifolds

  • Polished finished
  • Zinc anode (replaceable)
  • Approx. 1/4 the weight of cast manifolds
  • Smooth even flow of cooling water to all surfaces
  • Replaces Stock OEM Exhaust systems
  • Standard replacement exact fittings and higher than standard eg. 3", 6" 12" etc. manifolds
  • One piece design eliminates the possibility of gasket failure resulting in engine failure
  • Only one water inlet reduces the chances of leaking
  • 5 Year Limited Warranty

Hi-Tek vs Indmar (350 Chevy)
260 HP Mercruiser Dyno Test
260 Mercruiser Test Dyno Report

  1. Water mixes with exhaust gases
  2. Extractor design for cylinder scavenging for maximum efficiency
  3. One piece design eliminates the possibility of gasket failure resulting in engine failure
  4. Only one water inlet reduces the chances of leaking
  5. Anode prevents electrolysis

Your Price: $2,749.99 
Part Number: 652-HT22

455 Oldsmobile Replacement Exhaust Manifolds

455 Oldsmobile Replacement Exhaust Manifolds

455 Oldsmobile Replacement Exhaust Manifolds

  • Polished finished
  • Zinc anode (replaceable)
  • Approx. 1/4 the weight of cast manifolds
  • Smooth even flow of cooling water to all surfaces
  • Replaces Stock OEM Exhaust systems
  • Standard replacement exact fittings and higher than standard eg. 3", 6" 12" etc. manifolds
  • One piece design eliminates the possibility of gasket failure resulting in engine failure
  • Only one water inlet reduces the chances of leaking
  • 5 Year Limited Warranty

Hi-Tek vs Indmar (350 Chevy)
260 HP Mercruiser Dyno Test
260 Mercruiser Test Dyno Report

  1. Water mixes with exhaust gases
  2. Extractor design for cylinder scavenging for maximum efficiency
  3. One piece design eliminates the possibility of gasket failure resulting in engine failure
  4. Only one water inlet reduces the chances of leaking
  5. Anode prevents electrolysis

Your Price: $2,749.99 
Part Number: 652-HT52

460 Cobra OMC Replacement Exhaust Manifolds

460 Cobra OMC Replacement Exhaust Manifolds

460 Cobra OMC Replacement Exhaust Manifolds

  • Polished finished
  • Zinc anode (replaceable)
  • Approx. 1/4 the weight of cast manifolds
  • Smooth even flow of cooling water to all surfaces
  • Replaces Stock OEM Exhaust systems
  • Standard replacement exact fittings and higher than standard eg. 3", 6" 12" etc. manifolds
  • One piece design eliminates the possibility of gasket failure resulting in engine failure
  • Only one water inlet reduces the chances of leaking
  • 5 Year Limited Warranty

Hi-Tek vs Indmar (350 Chevy)
260 HP Mercruiser Dyno Test
260 Mercruiser Test Dyno Report

  1. Water mixes with exhaust gases
  2. Extractor design for cylinder scavenging for maximum efficiency
  3. One piece design eliminates the possibility of gasket failure resulting in engine failure
  4. Only one water inlet reduces the chances of leaking
  5. Anode prevents electrolysis

Your Price: $2,899.99 
Part Number: 652-HT18

5.7L Chevrolet Mercruiser Replacement Exhaust Manifolds, 3” Hose

5.7L Chevrolet Mercruiser Replacement Exhaust Manifolds, 3" Hose

5.7L Chevrolet Mercruiser Replacement Exhaust Manifolds, 3” Hose

  • Polished finished
  • Zinc anode (replaceable)
  • Approx. 1/4 the weight of cast manifolds
  • Smooth even flow of cooling water to all surfaces
  • Replaces Stock OEM Exhaust systems
  • Standard replacement exact fittings and higher than standard eg. 3", 6" 12" etc. manifolds
  • One piece design eliminates the possibility of gasket failure resulting in engine failure
  • Only one water inlet reduces the chances of leaking
  • 5 Year Limited Warranty

Hi-Tek vs Indmar (350 Chevy)
260 HP Mercruiser Dyno Test
260 Mercruiser Test Dyno Report

  1. Water mixes with exhaust gases
  2. Extractor design for cylinder scavenging for maximum efficiency
  3. One piece design eliminates the possibility of gasket failure resulting in engine failure
  4. Only one water inlet reduces the chances of leaking
  5. Anode prevents electrolysis

Your Price: $2,199.99 
Part Number: 652-HT3

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