Navigating the waters of boat maintenance can be tricky, especially when it comes to engine parts. One component that often causes concern is the Mercruiser exhaust manifold. Understanding and troubleshooting this part can save you time, money, and potential engine damage. It’s crucial to know the signs of a failing exhaust manifold and how to […]

Topic: MerCruiser Exhaust Manifold Replacement Customer Question: “I am doing a resurrection project on a Formula 1986 357 SR1 , twin MerCruiser 454 motors, with KAMMA surface drives. They need replacement marine exhaust manifolds and risers. I also need to replace the thru hull exhaust hoses that connect from the exhaust riser to the thru […]

Topic: Mercruiser Exhaust Manifolds for the 4.3L V6 Engine (Single Piece vs Two Piece) Question: My existing Mercruiser 4.3L V6 engine has a manifold and elbow/riser that is combined in one piece. However I cannot seem to locate the exact replacement for this manifold. Can I simply replace this with the older style 2 piece […]

Barr Exhaust Catalog Barr Marine has been a leading producer of Marine Exhaust Manifolds & Risers for OEM manufacturers such as MerCruiser, Volvo Penta, Crusader, PCM, Indmar and various others since 1933. The Barr Exhaust products line is proudly manufactured in the U.S.A. with a solid 3 year product warranty. Barr Exhaust products are produced using the […]

“There’s nothing quite as nerve racking as cutting a hole in the side of a perfectly good boat” Whether you’re on the never ending quest looking for more Horsepower or you simply like the “rumble” sound of the big block V8 Marine Engine,  cutting that hole in your boat can be well worth it. It’s […]

TOPIC: Corsa Captain’s call Thru Hull Exhaust Systems QUESTION: Please can you price me a corsa exhaust kit with switchable captains call silent mode for my 1999 searay 230 over nighter fitted with a mercruiser 5.0 l efi with a alpha 1 gen 2 stern drive. I would like side exit system and not the […]

  When you’re looking to buy your next set of Mercruiser Exhaust Manifolds or Risers note that Performance Product Technologies (PPT) has been one of the leading online suppliers of Marine Exhaust Manifolds and Risers since 2002. PPT’s roots trace back to starting a career in the engineering department with Mercruiser in the early 1990’s. During […]

QUESTION: What is the purpose of the “Turbulator” used in Mercruiser Marine Exhaust Systems”. This is a question Performance Product Technologies receives on a regular basis being the leading technical source for Marine Exhaust products and technical information.  The history of the “Turbulator” dates back to 1932 if you look at the original patent filings for such devices. However the […]

PPT’s Engineering Background with Marine Exhaust Systems Due to our engineering background at MerCruiser with Marine Exhaust Systems we’re regularly asked about the positioning of the Dry Joint Exhaust System full flow gasket versus the restrictor gasket, along with which directional orientation is correct for the restrcitor hole itself. Without going into too much detail […]

Check out our latest video posting regarding Marine Exhaust. This video is a "How To" video detailing the step by step procedures for installing the Corsa Captain's Call Switchable & Thru Hull Marine Exhaust Systems. Thru Hull Marine Exhaust Video – 2006 Tahoe Q8 w/ Mercruiser 350 Marine Engine This video details how to measure […]