Turbo Upgrade Advice - Hyundai Genesis Forum
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Turbo Upgrade Advice

Hey all, just looking for some advice and opinions. I'm looking to finally pull the trigger on a turbo upgrade within the next 6-12 months. And working on a checklist. As our platform continues to dwindle, a lot of older links no longer work and sellers no longer carry parts so its becoming a bit more difficult to sort through what is still useful information and what is no longer relevant.

I have read through the newbie guide again because well, its still one of the best written guides. Anyone coming across this post, with the same idea as me, please make sure to check it out.
- https://www.gencoupe.com/new-member-...ml#post2287481

Unless I'm mistaken, will the 2010-2012 aftermarket exhaust manifolds work with the BK2? If so, does anyone have some preferences or recommendations to give? Genracer seems to have MXP and CP-E options and the cost isn't really a concern. Would rather go with the more recognized or durable option.

For turbo size I was considering the GTX3067R, but I'm up for recommendations. From what I can tell most turbos are within $500 of each other and I would consider a turbo with more potential if it costs only a couple hundred more. Might be overkill for my existing goals, but if its in budget and I plan to take full advantage of down line. I'm looking to settle around 500 WHP (375-400lbs torque). From what I've read most BK2 can hit 500 easily, but time to reforge internals past that. I was already considering a meth kit for this.

It also seems like I"ll need to redo my piping to get things fitting? I figure with the top mount turbo will need to relocate the BOV to the cold side and there are probably several costs to consider. Would love some advice on this. Most of the products I find include replacement intercoolers and from what I've read the BK2 intercooler is fine up for the power range I'm looking for.

Speaking of, Is there a check list that goes over the engine components that are upgraded prior to going for high power? Or maybe a good article to read through? I wish I had a local tuner group to chat with.

I personally haven't had any issues with my SFR 1.5 tune and they are the closest mainstream tuner I am aware of (about 6 hours drive). I'm in Raleigh, NC. I was going to have a chat with Phantasm Motorsports as they offer Haltech chips and tuning for the Genesis coupe. Making the switch and using E85 has been considered, but reading indicates I'd need bigger injectors and the biggest downside is the Haltech doesn't talk with the A/C well. I've seen someone on the forum found a way to make them talk and was selling the solution. I won't throw out the idea entirely, but the extra work was kind of a concern. Also, been hearing a lot about Alphaspeed recently about remote tuning options. Anyone aware of a vendor in North Carolina that may work with them or the best way to contact Alphaspeed? I seemed to find their facebook page and references on BTR only.

I'm sure more things will come up. Open to advice and thoughts. Anyone curious about my existing mods, they are mostly in the signature.

P.S. NC requires yearly inspections, so I have to keep a primary CAT. Currently I have a CP-E downpipe with primary cat and so far no CEL. I've been fortunate as I have seen some people mention they still ended up with a code. I did replace my stock gauges and one of them is AFR. Idle about 14.5 and WOT like 12. Figure its pretty rich as its a canned tune and its a bit safer to be rich than lean.

Model: 2013 2.0T Premium | SFR Stage 1.5

Piping: Injen SRI | Forge BoV
Exhaust:ISR Catback | CP-e downpipe w/cat
Differential: Quaife LSD
Transmission: Stage 2 clutch w/ SMF | Meganracing Trans mount
Suspension: BC racing coilovers
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Okay, after spending some more time researching the exhaust manifolds for the earlier models should work with the BK2. Checking what BTR offers in the realm of turbo kits I noticed quite a few mention needing a BK1 style 02 housing.

My CP-E downpipe replaced the entire piping from turbo to mid-pipe so it should have included the O2 housing. I assume I may have some fitment issues going forward? I can't really find a good comparison of the BK1 vs BK2 O2 housing. From the few comparisons I'm finding it seems BK1 has 3 bolts, while Bk2 has 5 and a much different shape? If this is the case, I assume it just won't line up with most aftermarket turbos?

Model: 2013 2.0T Premium | SFR Stage 1.5

Piping: Injen SRI | Forge BoV
Exhaust:ISR Catback | CP-e downpipe w/cat
Differential: Quaife LSD
Transmission: Stage 2 clutch w/ SMF | Meganracing Trans mount
Suspension: BC racing coilovers
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Quote:
Originally Posted by shadowtrench View Post
Okay, after spending some more time researching the exhaust manifolds for the earlier models should work with the BK2. Checking what BTR offers in the realm of turbo kits I noticed quite a few mention needing a BK1 style 02 housing.

My CP-E downpipe replaced the entire piping from turbo to mid-pipe so it should have included the O2 housing. I assume I may have some fitment issues going forward? I can't really find a good comparison of the BK1 vs BK2 O2 housing. From the few comparisons I'm finding it seems BK1 has 3 bolts, while Bk2 has 5 and a much different shape? If this is the case, I assume it just won't line up with most aftermarket turbos?
Bk2 is twinscrol turbo. Bk1 is not twinscrol.
Any bk1 oem/aftermarket exhaust manifold will bolt right up to your bk2.
Bk1 o2 housing is different from bk2.
You basically want a bk1 setup and that means your cpe o2 housing will not fit.

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Thanks for the clarification!

Model: 2013 2.0T Premium | SFR Stage 1.5

Piping: Injen SRI | Forge BoV
Exhaust:ISR Catback | CP-e downpipe w/cat
Differential: Quaife LSD
Transmission: Stage 2 clutch w/ SMF | Meganracing Trans mount
Suspension: BC racing coilovers
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I am literally in the same boat here in GA. I have a tuning garage here called Evolved Tuning that does do some work on GEN coupes but they don't specialize in it like SFR or BTR but from what I have seen they do good work. I am also looking for any and all advice on motor work to get the BK1 turbo ready. The research I have yielded showed a few BK 1 builds doing a low engine build by replacing the pistons, rods, and ARP studs to net around 500 whp/445 tq reliably on about 12-13 lbs of boost which is all I am after. I am willing to answer any questions about my build to help this along .
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