Your shopping cart is currently empty.
Exhaust Systems
WHAT IS YOUR NEXT EXHAUST SYSTEM?
Hardin Marine Seaward Exhaust

✓
|
GREAT VALUE TOP QUALITY UPGRADE FOR MERCURY OEM REPLACEMENT SYSTEMS
|
✓
|
Black Powdercoated for Durability
|
✓
|
Polished 316L Stainless Steel Risers
|
✓
|
4” EXHAUST RISERS STANDARD
|
✓
|
SBC, BBC, Mercury 496, HP500, 525/600/700
|
➤
|
Internal Salt Water Protective Coating Optional Extra
|
Gil Replacement Systems by HM

✓
|
PREMIUM QUALITY PREFERED OEM SYSTEMS
|
✓
|
POWDER COATED INSIDE AND OUT FOR DURABILITY
|
✓
|
COMPLETELY TREATED FOR SALT WATER PROTECTION
|
✓
|
PREMIUM QUALITY POLISHED 316L STAINLESS STEEL RISERS
|
✓
|
INDIVIDUAL WATER JACKET COOLING INLETS
|
✓
|
BBC, Mercury HP500, 460 Ford
|
✓
|
CHOSEN BY MERCURY RACING FOR OEM HP500/540 APPLICATIONS
|
IMCO Powerflow Manifolds

✓
|
MULTIPLE APPLICATIONS FOR JET, V-DRIVE AND MERCURY REPLACEMENT SYSTEMS
|
✓
|
Black Powdercoated for Durability or Polished for Beauty
|
✓
|
3-1/2” TO 4” EXHAUST HOSE CONNECTIONS STANDARD
|
➤
|
304L INDUSTRIAL GRADE SS RISERS OR CAST ALUMINUM RISERS
|
✓
|
SBC, BBC, Mercury 496, HP500, 525/600/700
|
Stainless Marine Manifolds

✓
|
Unique clamp on riser design
|
✓
|
Black Powdercoated for Durability
|
✓
|
Polished 316L Stainless Steel Risers
|
✓
|
4” EXHAUST RISERS STANDARD
|
✓
|
SBC, BBC, Mercury 496, HP500, 525/600/700
|
✓
|
GOOD QUALITY REPLACEMENT SYSTEM
|
Glenwood Log Manifolds

✓
|
CAST ALUMINUM CONSTRUCTION
|
✓
|
Low Cost Solution for Jet and V-Drive
|
✓
|
Replaces other logs with 5" OD flange
|
✓
|
Polished Aluminum
|
✓
|
SBC, BBC, 460 Ford, 455 Olds
|
✗
|
Freshwater Use Only
|
Mercruiser OEM Manifolds

✓
|
OEM Direct, Factory Built Replacment Manifolds
|
✓
|
Fitments for all Mercruiser Applications
|
➤
|
Heavy Cast Iron Construction
|
➤
|
Stock Performance
|
✗
|
High Cost compared to Aftermarket
|
Hardin Marine Cyclone Headers

✓
|
AFFORDABLE ALL 316L STAINLESS CONSTRUCTION
|
✓
|
DIRECT REPLACMENT FOR EXISTING GIL MANIFOLDS WITHOUT BUYING NEW RISERS
|
✓
|
Polished 316L Stainless Steel
|
✓
|
BBC, LS, Merc 525/600/700
|
✓
|
Unique Hybrid Manifold/Header Design
|
Lightning Headers

✓
|
Best Value Headers for Freshwater Jet, Merc and V-Drive Applications
|
✓
|
Powdercoated for Durability
|
✓
|
Stainless Steel inner exhaust tube
|
✓
|
SBC, BBC, LS, Mercury 496
|
✗
|
Freshwater use only without more expensive all stainless option
|
HM Hurricane LITE Headers

✓
|
ULIMATE ALL-STAINLESS 316L CONSTRUCTION
|
✓
|
AVAILABLE WITH MERC/CMI FLANGE TO UTILIZE EXISTING TAILPIPES
|
✓
|
Polished 316L Stainless Steel
|
✓
|
for Merc 525/600/700
|
✓
|
2" Inner Runners for high HP Applications
|
✓
|
BEST VALUE IN SS HEADERS
|
Over Transom Headers

✓
|
TRADIONAL SINGLE WALL CHROME HEADERS FOR JET AND V-DRIVE APPLICATIONS
|
✓
|
ONE PIECE DESIGN
|
✓
|
WATER INJECTED NOT WATER JACKETED FOR OPEN AIR USE OVER TRANSOM
|
✓
|
CANNOT BE USED IN CLOSED ENGINE COMPARTMENT
|
✓
|
3/8" THICK EXHAUST FLANGE FOR GOOD GASKET SEAL
|
✓
|
BBC, SBC, LS, 460 FORD, 455 OLDS
|
➤
|
CHROME PLATED MILD STEEL CONSTRUCTION
|