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I have the corsa extreme with high flow cats and kooks headers. It’s NASCAR loud on throttle. You have to have the active exhaust because cold starts are way loud! I love it! Driving it sounds amazing but it definitely loud. I think the kooks headers have a majority to do with it.

I have this on my DH with Kooks headers and everything fits good. I like it! I’ll be at the track in March for a true test.

Hi all, I installed JLT on my DH. Easy install. Looks great! Filters are HUGE. However, it continually throws a Mass Air Flow (MAF) error and check engine light no matter, even after resetting ECU with a plug in ODB and disconnecting the battery. Are any other DH owners with a JLT...

Hi. Did you get the new boxes from them yet? If so, how are they? I have the same issue with sealing on the top with both sides

No haven’t called them yet. I remember being careful with the MAFs and didn’t drop them. I think. But idk. Are they very sensitive?

Update - got my JLT in. I really like the look. But it throws error codes with the MAF. So with no tune I just have to deal with it. Not super happy. Worried about improper fuel air ratios and damaging my motor while driving hard or at the track. Thinking about returning…

So I installed my JLT on my DH like two weeks ago and immediately got a check engine like P010B MAF error. I clear it with and OBD it runs good the next drive but after tuning off and back on the check engine light come back on. Anyone else having this issue? Are tunes still not available...

thank you. Yeah, from what I’ve read the GT doesn’t have the same issues. No idea as to why 🤷🏼‍♂️

I installed Kooks LTH on my DH about 6 weeks ago. All has been great until this week. While turning RIGHT under load I get a vibration in my steering column that the dealership is saying is the headers hitting the shaft. 1. Is anyone else having this problem? 2. Any suggestions on how to fix...

Shit I’m having this same problem on my DH with the steering column. but I’ve had the car for like 2 months driving the shit out of it and it just started. Took to the dealership and they told me that was it too. Didn’t know if I believed them. Picking up sat. anyone else having rubbing issues...

update - been driving for a few weeks now and I can say, the lag is gone. It legitimately feels quicker than before. It must be true, the new ECUs will to a certain degree tune themselves when certain bolt on’s are added. I haven’t taken back to the dyno yet but will soon. I’ve been waiting on...

I’ve been waiting on JLT to start shipping their Cold Air Intake but geeezzzz they keep pushing the ship date back on their web page. I’m seriously close to giving up and going with the Steeda or something else. anyone else as frustrated with JLT? Anyone one waiting for it too? I’ve never...

Bought the 3” Kooks connection adapters and they worked great. Almost a little short but work. Crisis averted haha. Thanks everyone!

hi TJ - will you share that code please. Thanks.

hi. Will you post a link to what you ordered that are good please. Thanks

So, I got the car back today. Sounds INCREDIBLE. Only hiccup was the Kooks LT don’t match perfectly to the Corsa Extreme system. You have to buy the 3” converter from Kooks or you’ll have a severe choke point. so the car sounds straight NASCAR at WOT but normal driving is mild. Very manageable...

just got it back today. Going to drive it a little to let the ECU “self tune” and then take it back.

Hey TJ. Good news. The brace fits a DH with Kooks LT headers!! Looking forward to testing it out on the track.

Thank you so much for sharing!! This looks promising. Already emailed shop. Will report back with results. Cheers!

Purchased both of these thinking I would have 3” all the way back. No!!! Shop just called and said from the Kooks LT with the high flow green cats that they do not connect seamlessly at the mid pipe. Said there is the factory pinch down to 2” I gotta deal with. Only solution is custom fab from...