Dyno Testing the 2022 Grom with the TST Worx Airbox Cover and the Tyga High Mount Exhaust

[@mr.somebody1493]

I'd love to see more dyno testing of the 2022 Grom with various mods and combinations compared .

[@eastcoastish]

If there's anything in particular, let me know. I'm always looking for an excuse to go up and hang out with these guys :)

[@joujimiichi1]

At this current stage, I would request a new dyno run after installing an aRacer and then a DHM S1 Camshaft

[@johnkarau1915]

@@joujimiichi1 yes, that would be awesome!

[@mr.somebody1493]

@@eastcoastish I'm curious what's the most you can gain without changing the stock exhaust.

[@flatlandriver2471]

@@mr.somebody1493 agree

[@Myrussell67]

Great job. That is how it’s done to see exactly what the mods are doing. Would have loved to see the fuel tuner along with the intake and exhaust but still “well done”

[@teknique8292]

3:50 they say stock is 8.7 then at 7:29 with intake and exhaust is 9.6 so he gained .9hp. Nice!🎉🎉🎉

[@ItalianMetalHED]

i notice with the yoshie they curl the pipe midway to maintain that backpressure and its titanium so if you had that you wouldnt have lost that power in the low end with intake mod. I plan on getting airbox mod.

[@eastcoastish]

On the low mount Yoshimura they curl it since it’s so short, on my high mount Yoshimura it’s straight just like the Tyga since it’s a longer run.

[@reidspeed77]

Nice ,I guessing the numbers would go up as you put miles down, ecu learning

[@bakotako]

First, thanks for putting them on the dyno. I just installed my TST Worx Airbox cover and reset the ECU and it does feel really peppy especially in 2-4 gears. 5th still struggles due to power. But, when you are running the changes on the dyno are u resetting the ECU each time or just stock ECU? Thx mate

[@mr.somebody1493]

I changed my front sprocket from a 15 tooth to a 14 tooth and it really made 5th gear more usable.

[@bakotako]

@@mr.somebody1493 Ya that was what i was thinking too after getting a performance exhaust on it.

[@eastcoastish]

No ECU reset between runs, but without putting some miles on the bike after each mod after each ECU reset, it wouldn't've changed the results much anyway. If you're running an intake and exhaust, you should be running some type of tune (ECU flash or stand alone tuner), this was just a quick demo to have some baseline information once I start really cracking into this build 😁

[@bakotako]

@@eastcoastish ty mate, i will go with the tyga with my stock fish tail for now. i am planning on buying the tune ecu from DHM for the TST airbox and Tyga exhaust. =)

[@bakotako]

@@eastcoastish ur tyga link is a sponsored link right? gotta pay back some of this advice.

[@SSS-mp8th]

Would love to see this after a tune to see what the difference is. Just finished my intake and cam install and waiting for my ECU to come back from DHM (2022 Monkey). Do you know of anything that can be mounted on the left side of the bike in the two bolt holes the stock Monkey airbox uses? I'm thinking of trying a Gcraft rack with some sort of extension.

[@StayTolerant]

Are you still using the same air box/tyga setup today? Are you still liking it as much as day 1? Thanks for the great content.

[@PharaohKoup]

So i noticed on the Dyno A/F ratio was sitting just below 15. in your previous videos you suggested 13.5. has anything changed or is that just the factory mix.

[@eastcoastish]

The dyno wasn't monitoring my AFR on these runs (the line is just at 14.7 which is Stoich), I'm probably running pretty lean on these though. I don't have the aRacer setup on this bike but will get one once I start doing some bigger mods. If you're running an intake and exhaust like this, you should at least get an ECU flash from CJR or DHM.

[@PharaohKoup]

@@eastcoastish i followed your lead and got the aracer and af sensor. I been running auto tune mostly. I have not been able to get a solid enough run yet to cover the full rpm range.

[@PharaohKoup]

@@eastcoastish i have done my mods exactly like you. (apart from color scheme) I did not do the big bore kit because you didnt seem thrilled with the money to gain ratio. I am waiting on the DHM or steady garage to put one out that might be a little bigger

[@roberthelvick4939]

Have you ever ran a test to compare the tyga high mount to a yoshimura exhaust set up ?

[@bakotako]

also, this may be a dumb question but i think others might be interested too. which full system performance exhaust would u recommend, yoshi or tyga? the reason i ask is one is $422 and the other $650. and also any other performance exhaust? thx mate again

[@eastcoastish]

I'll eventually put my Yoshi dual titanium up against the Tyga high mount (probably on my Repsol-themed '22 since it's making more power) - my guess is they're making about the same power though. The Tyga is a really nice setup. If you noticed in the video, it also fits with the Impaktek 12 bar, plus the high mount let's you get rid of the stock rear sets since you're not relying on that mounting point.

[@roberthelvick4939]

Have you ever put it back on the dyno with the intake, tyga exhaust and the dhm cam ?

[@Grainsauce]

When adding the intake and exhaust, was this with stock tune, if so I wonder what a reflash would do.

[@eastcoastish]

Yeh stock tune and also no ECU reset or any time for the stock ECU to learn the new airflow. My guess is a reflash probably would have picked up another 0.25-0.5 or so HP.

[@DriftingLifeSideways]

Is this a safe setup to run with no tune?

[@patrickmarkos7724]

What does your bike make with the exhaust, worx intake and dhm cam?

[@eastcoastish]

I don’t have a DHM cam in this bike (that I dynod in the video), just the intake and exhaust. My other ‘22 that has intake, exhaust, cam, 140cc bbk, 27mm TB and intake manifold, ported head and 150cc injector makes 14.33 hp right now.

[@patrickmarkos7724]

Which one do you have the dhm s1 cam in? And what numbers does it make?

[@eastcoastish]

@@patrickmarkos7724 if you check out my channel I have about 30 videos on my other ‘22 that has the Repsol livery. It’s currently making 14.3 HP, here’s the latest video of that bike: kzbin.info/www/bejne/nXfZioSuot15qKM

[@evinrassier4190]

Can I rock the tst intake and exhaust without a tune for a bit or too risky? I realize I need a tune but should I immediately?

[@eastcoastish]

You *should* have a fuel solution if you're doing both an intake and exhaust, but you'll be ok if it's just for a while.

[@Snowburnt]

@@eastcoastish what about just the exoust? Would you still need to tune your bike? (Or any old exoust)

[@bakeot]

So no tune and it pick up 1.5 hp how was the fueling did it run rich or lean??

[@teknique8292]

He only gained .9hp. stock it was 8.7hp then with intake and exhaust it was 9.6hp

[@DriftingLifeSideways]

Is gearing stock?

[@cyrilbaillif3045]

Hi, i have a honda monkey 2022, I changed the ECU with another original ECU. Now I have my check engine light flashing continuously. anyone have an idea of ​​the problem? Thanks

[@eastcoastish]

Why did you swap the ECU in the first place? Are you sure both ECUs were for the Monkey and one wasn’t for the Grom?

[@cyrilbaillif3045]

@@eastcoastish Yes it is the same reference as the first ECU, reference: 38770-K0F-D71. My first ECU is at the tuner. I have already tried clearing the DTCs, but nothing.

[@tonymontana09210]

stock air filter behind the tst airbox cover??

[@eastcoastish]

Yes

[@91rickstar]

@eastcoastish what kit is Doug running can you send me a link what else does he have to get 14.7 hp eg cam head work injector intake exhaust it has very good throttle response and it is very quick rpm between 2k 9k rpm I would like to build my grom motor like this he’s saying that it only has a jug and a oem Honda piston he would have more work done then a 140cc kit to have that throttle response could you please let me know what work he has done what parts I need thank you ricky from Australia

[@eastcoastish]

He’s actually making 14.1 HP (font looks like .7) but he’s running the 140cc jug, ported head but with stock valves, 28mm throttle body and intake manifold, DHM S1 cam, 150cc injector, Chimera intake and Yoshimura exhaust with the aRacer setup.

[@91rickstar]

@eastcoastish which 140cc kit

[@eastcoastish]

@@91rickstar I don’t think it was a kit, it’s something custom that his friend put together.

[@91rickstar]

@eastcoastish how can I contact Doug on a social media platform about this

[@91rickstar]

@eastcoastish can I get Doug’s twitter/ instagram/ Facebook name please so I can contact him I really want to get the same parts as he has thank you

[@its_batess]

Worx Airbox Cover do you no how i can gte this for uk

[@kennethroussan401]

tstindustries.com not sure if they ship to UK

[@FranSince-uo6rk]

Friend, I got it at CregTech UK, order it there. It was a bit expensive for me, they had to send it to Spain

[@truckacabrarex9831]

Add a pcx 150 injector a oil cooler and a 4vhead 🎉 mow powwa babay