![]() In the case of my new boat, I unbolted the new 115 Jonnyrude it came with (good package deal), and bolted on my '87 inline. So, in the "under 100 ci" divisions, they remain untouchable. Just one poor 30 year old little inline against all that new tech stuff. As I recall, a Merc 1500 won the Formula V finals this year. Yes, they are getting a bit "long in the tooth" but still rule in the 115 - 150hp range. The Tower of Power still makes as much or more HP per cubic inch (and by the pound) as anything on the water. Again, context led (leads) me to believe *he* was talking about an intake mod - not exhaust. Yes, I'm familiar with what we called "stackers" regarding the stacked exhaust. CorkSport Service and Support: Receive a 2 year warranty, full color installation instructions, all of the needed installation hardware, and knowledgeable telephone installation support.I'm basing my call on the fact that he described *intake* mods when describing the installation of his "stacks".Upgraded Turbos: Highly recommended for Mazdaspeeds with upgraded turbos.Custom Reinforced Silicone Connectors: Constructed from multi-layer nylon braid to provide more strength and power and a smooth internal transition for less turbulence and optimal flow.Durable Dry Flow Air Filter: Reusable and water resistant, this unique non-woven filter media does not require oil to filter and trap dirt and actually sheds dirt under engine vibration, unlike cotton gauze which holds contaminates until you clean the filter.Turbo Inlet Pipe: A precision high polished 3″ aluminum turbo inlet pipe.True 3″ MAF: Machined with a True 3″ inside diameter MAF.The velocity stack has a 6 inlet and a 3 outlet. Designed Specifically for Mazda: All CorkSport parts have been designed and tested specifically for Mazdas. Included in each kit is a velocity stack, filter, and a hose clamp to connect the two together.To help with proper idle and cruise resolution we also added a splitter to straighten the air in front of the MAF giving a better signal to the ECU. (9) Universal Mounting Flange Velocity Stack Material Velocity Stack Finish Air Filter Included Velocity Stack Inlet Diameter (in.) Velocity Stack Outside Diameter (in. This added head room allows your mods to go further and gives you the ability to tune for more power. Velocity Stacks - Free Shipping on Orders Over 109 at Summit Racing Filters In Stock In Stock. ![]() You can also make the MAF any size you want so making a true 76mm MAF is possible. This is something that is not done on a welded MAF. This is almost a 10% increase in velocity over the non “bell” version of the same MAF. This effectively increases the air velocity, flowing more air. In order to increase the ability for a large MAF to flow as much as possible and still not top out we decided we wanted to “bell” the MAF entrance. The Power Series 3″ Intake System is fabricated with a high polished 3-inch turbo inlet pipe and a true 3″ inside diameter MAF housing. The velocity stack design smooths air flow for maximum performance. To get the headroom of tuning you must upgrade to a larger MAF diameter. This means that your MAF is “topped out” and does not have the ability to adjust fuel trims and timing properly. Once you are in the low 300whp range your MAF sensor will read 5volts. We will assist with warranty issues, however, all warranty issues are the ultimate responsibility of the manufacturer. Bill B BBR Filters Velocity Stack Filters 2.75 / 70mm Black: LIMITED - 2 filters per package - 2 3/4in / 70mm measure across top rim - Stainless Screen Filters - BillBees BBR Filters: CU6057: 21.95: Availability: In Stock: 48IDA Stacks 3.5 inch tall Wide Mouth: Alluminum price each: 52840.512: 29. It tells you that you are using 3” connectors but the inner diameter (ID) could be anything.įor reference, the stock MAF is 68mm ID. 3 tall billet aluminum velocity stack fits M-Eight throttle body bolt pattern. That really doesn’t tell you the amount of air the intake can flow. What are the limitations to the current way of doing things? Most companies call a 76mm (3”) MAF, 3” because the outside diameter (OD) is 3” or 76mm. Traditionally most MAFs are constructed from a welded pipe with various fittings for the MAF sensor to sit on or they are machined tubes with various fittings welded or bolted on. With the single-plane intake and FAST four-barrel throttle-body, the 5.7L Hemi produced 426 hp at 6,400 rpm and 385 lb-ft of torque at 5,100 rpm. We have so many people ask for bigger intakes and MAFs that we set out to make a better one. With much demand for wanting more air and a throaty roar from your Mazdaspeed engine, Corksport is proud to bring you our Power Series True 3-Inch Intake System. CorkSport introduces an all new Power Series 3″ Intake System for the 2007 – 2013 Mazdaspeed 3
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