jonst205 Posted September 12, 2012 Share Posted September 12, 2012 Hi all, just about to fit an '06 airbox when I noticed the foam insert inside the base. I guess this is a noise-reduction device (induction noise). Anyone tried just removing the foam insert? Cheers, Jon Quote Link to comment Share on other sites More sharing options...
KyleR Posted September 12, 2012 Share Posted September 12, 2012 I'm not sure what you mean... Pictures? Quote Link to comment Share on other sites More sharing options...
jonst205 Posted September 13, 2012 Author Share Posted September 13, 2012 No worries, will do that this evening. It's akin to a resonator box on Toyota's (separate box), but built-in to the airbox. Quote Link to comment Share on other sites More sharing options...
jonst205 Posted September 13, 2012 Author Share Posted September 13, 2012 View through the front intake, 'pocket' with foam visible at bottom. Foam section removed. Quote Link to comment Share on other sites More sharing options...
KyleR Posted September 13, 2012 Share Posted September 13, 2012 Hell mate I've never even noticed that, and I only just took my box off last week lol Quote Link to comment Share on other sites More sharing options...
evilscorp Posted September 13, 2012 Share Posted September 13, 2012 never inspected my airbox in detail only swapped out filters and gave the bugs a shake out. may investigate Quote Link to comment Share on other sites More sharing options...
brillomaster Posted September 14, 2012 Share Posted September 14, 2012 Question is, does it make any difference to the noise with the foam removed? Gotta love a bit of induction noise if available, the zed is pretty muted on the induction front as standard Quote Link to comment Share on other sites More sharing options...
jonst205 Posted September 14, 2012 Author Share Posted September 14, 2012 Question is, does it make any difference to the noise with the foam removed? Gotta love a bit of induction noise if available, the zed is pretty muted on the induction front as standard You read my mind The only concern I have is that with it removed it actually disrupts the airflow into the stack as you have a big pocket for air to sit in. However I think it should be fine as, especially on throttle, the engine is actively pulling the air in at a fair old rate. I'm taking my old pre-06 box out shortly so will see if it has the same insert arrangement. Quote Link to comment Share on other sites More sharing options...
jonst205 Posted September 14, 2012 Author Share Posted September 14, 2012 Just to confirm the pre-06 airbox has the same arrangement, it's exactly the same apart from the larger trumpet/stack/whatyermacallit. I've removed the foam section to give it a try without. Quote Link to comment Share on other sites More sharing options...
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