More air flow, less turbulence, increased port velocity MORE POWER Real power and torque gains similar to those claimed by high end CAI manufacturers. Car drives completely normal besides the noise. Key benefits include: Up to a 21 airflow increase as tested through the intake manifold only on a Super Flow flow bench. The intake gaskets were all replaced so I don't think that is the issue. Ask any reputable head porter and/or engine builder the key. Share You may also like Tune Update From 75 Mafia 2011-2014 3.7L V6 Mustang Custom Tune From 250 Mafia 2015-2017 5. Porting and polishing an engines intake manifold is an essential step in optimizing its performance, particularly if it is modified. ![]() Learn more Quantity Add to Cart Hand Ported with 3 Stage Porting and Polishing Process. Just curious is anyone has experience some weird noises after porting the intake. Ported Boss 302 Intake Manifold 575.00 Buy in monthly payments with Affirm on orders over 50. I asked the porter and he said it was complete normal for those seam to open up a little once the ridges were removed. My best guess is that air is coming around those area creating the noise (like blowing across the opening of a coke bottle). The Z1 CNC Ported Lower Intake Manifold for Nissans 3.5L VQ35HR engine is a stock intake manifold that has been CNC ported using Z1s exclusive port. It also allows ODAWG to offer the most affordable fully ported 6.4L intake manifold on the market With incredible attention to detail, this intake will add power, fuel economy, and good looks to any build Outflows stock intakes by 140CFM and 450 more ccs of volume This is a MUST on any 6. I did notice that when I got the intake back from the porter, it looked like the seams in the runners had sort of "split' open where the ridges where from the vibration welding process. Though admittedly I have not driven the car that much since I am waiting to get it tuned. It does seem to go away though once you go WOT in the higher rpm ranges. I can sort of control it depending on the amount of throttle I give it. This particular intake had the ports cleaned up, flashing and parting lines cleaned up. So when Josh had a chance to test out a freshly ported intake manifold on his 7.3L equipped F-250 he jumped at the opportunity. Reintroducing the CorkSport Intake Manifold V2 for the DISI-MZR engine found in the Mazdaspeed 3 and Mazdaspeed 6. I have just installed mine and I am getting a whistle/high pitched sound coming from the engine bay at certain rpm ranges and loads. The guys over at 5 Star Tuning have been toying around with different combinations on their bevy of Godzilla powered test trucks. I actually did the intake manifold on a VW Scirocco I did with a Dremel Motor tool. ![]() You would only port them if you had had your cylinder heads ported too. I am wondering if anyone has had the same thing happen to them after installing a ported ls2 manifold. Porting on an intake manifold can be done where a larger throttle body is used, so that they will match up, or where the 4 intake ports go into their respective ports on the cylinder heads.
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