Sticks

@Farqui good to know. Just scratching my head trying to figure out where to put it that won't be a pain to get to. That old 4GR-FSE sure does fill the engine bay.

Hi, I wasn't willing to part with £70/80 for the F style grill, although it does look really good, so I went ahead and removed the blanking plate. It has definitely help reduce those intake temps a fair bit. Also cools things down quicker after I break free from traffic and wasn't to hard to do. It was just held onto the grill with some kind of rubber/plastic adhesive. Most of which I pried off with a plastic trim tool. A couple of bits were more stubborn so I hit it with a heat gun first. Now I have all that extra fresh air coming through I will see if I can mount my oil catch can behind the upper grill. Sticks

Hi Ryan, Not sure if you've installed one yet but... I recently picked up an IS250 a couple of weeks ago. One of the first jobs on my list is a oil catch can. I've not yet fitted it but picked up one from ebay last week. I took a gamble on a Chinese copy of the Mishimoto Compact catch can. I was actually rather surprised as it seems to be fairly decent. My initial though was to put it behind the front grill in front of the radiator, however, I'll need to see if it's even possible to route the hoses there. Another possible location could be under the air intake. Also, you might want to check the operation of the PCV valve. This can be done removing it, attaching some hose to the valve and blowing air from the side with the threads to make sure air passes easily. Also, try blowing air through the other way to make sure it doesn't. It's a fairly awkward place to get tools into. A crows foot would help. When reinstalling you would need to apply red thread locker on 2 to 3 threads and torque to 27Nm. If you are worried about sludge regular oil changes might be an idea. I would definitely change the oil if you are not sure how old it is. Here are a couple of pics of the catch can and one of the space under the air intake. Once I have worked out the best solution I'll post an update with more pics and parts required! Sticks

Hi, I recently got a 2008 IS250 and straight away I noticed the intake temp would get rather warm when in traffic. After changing the the air filter and cleaning the MAF/Intake Temp sensor temperatures reduced by around 10 degrees in traffic but it still regularly get to 40. I noticed there is a blanking plate on the upper front grill that almost completely blocks all air flow (see pic). Has anyone removed this and had decent reductions in temperature? I can only guess this is there to assist warm up in the winter. Thanks,