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The MOTIV ReFlex PRO was announced over a year ago in late 2024. Since than, there hasn’t been much news on the product. I have been holding off on the ReFlex+ with anticipation to jump straight in to the ReFlex PRO. 8 inputs, 8 outputs, and built in data-logging memory are some key points...

That is something I’ve also noticed on the Supra compared to the G-Series cars and that has to be contributed by the long front end on the Supra. Based off the room available, mounting a good sized A2W intercooler right behind the cooling fan should not be an issue.

I have considered this idea for the Gen 1 B58, but clearance is tight from the front end of the engine block to the cooling fan. The idea is much more plausible for a Gen 2 B58 or S58. A few big powered X58 cars have completed a similar concept to what Wagner introduced years ago utilizing an...

Unfortunately, it’s not a kit. Only thing available appears to be the manifold. It doesn’t appear to be available off the shelf from Alunox as a kit but it could be done and it has been done. The first kit I know that was produced was for Tom Wrigley’s M240i a while back.

Well, here’s something. A twin scroll setup with OEM like response that is capable of far greater engine output. For those interested or curious, the only true equal length manifold on the market. T4 divided with stepped runners, quite the sound. Not a kit, but the manifold can be purchased from...

ETS would be the closest of the three, but they are not close to equal length especially the KLM manifold. It’s not a bad thing, considering the KLM manifold has achieved over 1500hp. Just off sound you could tell they are not equal length, a lot of top mount manifolds have the distinct VQ/VR...

I’ll chime in here, but unfortunately it does not appear there are any equal length or “equal length” (not quite equal length by the runner to the mm but close enough) top mount kits let alone manifolds for both the B58 and S58 platform yet. The only kit that looks close to equal length is the...

For fitment on the A90, there should be more room on the hot side and front side over a F chassis with the delta even greater when comparing to an xDrive chassis with axles right below the turbo on a bottom mount setup limiting turbine/compressor size. Damian @JAS is great to deal with...

All their manifolds for the B58 come with a wastegate port, including the EFR lineup with IWG. There is a wastegate port block off included for IWG.

4N Motorsport kit will do, T4 w/ EFR seletction. Just ask for a gen 2 flange.

For what's off the shelve that can be ordered online, the only product I've found that comes out with a 3.5" diameter exit is from Dynamicautowerx. If you want something catted, ETS makes a downpipe with a 4" exit.