Best mods right before APR tune

[mosnet99]

I'm looking for best bang for buck mods that'll compliment the 1+ tune & get better results from the tune

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[customa4]

Looking for speed, 034 High Flow Cat. Looking for handling, 034 Rear Sway Bar. Tunes are most complimented when proper maintenance is taken care of before the tune.

[jesse500]

DV, HFC or test pipe, catback exhaust & downpipe, good air filter, good coil packs & fresh plugs, an intercooler (paramount). Ensure timing belt is in good shape, as well as good tension.

Brakes, sway bars, diff mount, street density motor mounts/trans mount. Rear diff fluid flush, trans flush.

Endless posibilities here

[mosnet99]

I'm looking for speed mainly. Just did timing belt, water pump, coolant flange & hoses, motor mounts & exhaust hangers for $2000. I'm throwing in plugs & packs tomorrow. How does the diverter valve help the tune? HFC sounds good

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[thetikm]

When I got my APR tune my stock DV broke within 2 weeks. It's just not strong enough to hold the boost of a tune.

[rollerton]

HFC or catless downpipe. 710N Diverter Valve (from 225 TT).

After that? Injectors...? TIP and Turbo I guess, then full exhaust and you're past Stage 1.

[texasboy21]

Maintenance is the best mod before the tune. Besides that a testpipe/HFC, and FMIC are the minimal mods required. I would also get upgraded coil packs and one step colder plugs.

[mosnet99]

Maintenance is the best mod before the tune. Besides that a testpipe/HFC, and FMIC are the minimal mods required. I would also get upgraded coil packs and one step colder plugs.

I just got the Hitachi E coil packs and NGK iridium bkr7eix plugs. Will that do?

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[texasboy21]

I just got the Hitachi E coil packs and NGK iridium bkr7eix plugs. Will that do?

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Thats perfect!

[mosnet99]

Thats perfect!

What about intakes? Like Carbino and other ones? Will an HFC be a better gain than upgraded intakes?

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[jesse500]

What about intakes? Like Carbino and other ones? Will an HFC be a better gain than upgraded intakes?

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Carbiono IIRC are no longer available, just used. But will not net much HP for the $$. Just add a nice K&N/AFE, etc..... filter to your stock airbox. Some people remove airbox altogether and run a 3" cone filter (me included) but will not gain any HP, most likely loose HP unless you can fabricate a nice heat shield to completely encase filter.

High flow cat, or catless downpipe (aka test pipe) will net better performance than an intake. and paired to a nice 2.5" catback exhaust & 2.5" downpipe, car will breathe really well.

[mosnet99]

Maintenance is the best mod before the tune. Besides that a testpipe/HFC, and FMIC are the minimal mods required. I would also get upgraded coil packs and one step colder plugs.

I thought a fmic is only if you're upgrading the turbo

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[old guy]

I thought a fmic is only if you're upgrading the turbo

If you go with a 1+ (big injector) file an upgraded intercooler will make a noticeable difference. Once you start boosting to 20+psi the IAT's will climb really fast and consequently the ECM will start pulling timing. This will restrict the amount of power that the 1+ tuning is capable of producing.

[mosnet99]

If you go with a 1+ (big injector) file an upgraded intercooler will make a noticeable difference. Once you start boosting to 20+psi the IAT's will climb really fast and consequently the ECM will start pulling timing. This will restrict the amount of power that the 1+ tuning is capable of producing.

Thanx old guy. How have you been? I sold the b5 the 2.8 was still 💪 but was neglected too much before I got it. Should've known more about audis before that purchase

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[fyremanpat]

Save your money and just get a bigger turbo. The APR tune is nice compared to stock but that goes away quickly. The $500 you spend on an APR tune you will never see again. If you want decent power and reliability go with a set up like oldguys!

[Furly]

B7 RS4 rear sway bar and coilovers of your choice will make it handle on rails.
Forge DV
High flow cat / exhaust
FMIC
Injectors (if going that route with tune)

Stage 1 is going to be extremely boring and a waste of money.
Skip to stage 2+ or go big turbo.
You'll get bored of the stage 1 in like a week.

[CyberPMG]

For a Stage 1+ upgrade (ECU Chip tune + TT injectors) on a B6 A4, the following items will complement the tune:

- Cat back exhaust
- 2.5" - 3.0" turbo inlet pipe (Samco hose kit includes TIP along with pipe from intercooler to throttle body)
- Upgrade the Diverter Valve (Forge 007, Samco Sport, etc.)

Optional improvements:

- High flow cat / Test pipe - depending on need for emissions testing (may require recoding of tune to tune out the cat code)
- FMIC or DSMIC
- B7 RS4 rear anti-sway bar (front bar can be left alone)
- front brake upgrade (B6 S4, B5 S4, BBK, etc.)

[customa4]

I'd skip the APR tune and go with Motoza. APR is an off-the-shelf tune and if you ever plan on upgrading down the road your path is limited. They only have a tune for certain turbo/injector setups and that's what you have to go with. Motoza can tune for the turbo and injectors you choose or they recommend. There's a bunch of members on here that have Motoza and are very satisfied with their setup. You'll log the car after the base tune and Motoza will send you a revision to the tune based off of the logs. CLICK for Motoza Reviews

[Furly]

Once again stage 1 tunes are extremely boring and a huge waste of time and money.

That said, motoza is better than APR in more ways than one.

[jesse500]

I can vouch for getting bored quick. I went from stock, to 21psi stage 2 on stock turbo. And already bored. I need K04 and IC soon

[mosnet99]

Once again stage 1 tunes are extremely boring and a huge waste of time and money.

That said, motoza is better than APR in more ways than one.

I get it but honestly I'm just trying to get as close to 250 bhp as possible and chill for at least 8 months. I want to be wise with the investment & get best bang for my buck. I won't have a wad of cash sitting around getting bored with. Maintenance-wise the last thing I have to do is control arm/subframe bushings. I'll tackle suspension upgrades later. My turbo I believe is the original one with 145K so its possible to secure reliability I may want to get a bigger turbo, BUT I'd rather not have to get both (turbo & fmic) at the same time.

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[jesse500]

I get it but honestly I'm just trying to get as close to 250 bhp as possible and chill for at least 8 months. I want to be wise with the investment & get best bang for my buck. I won't have a wad of cash sitting around getting bored with. Maintenance-wise the last thing I have to do is control arm/subframe bushings. I'll tackle suspension upgrades later. My turbo I believe is the original one with 145K so its possible to secure reliability I may want to get a bigger turbo, BUT I'd rather not have to get both (turbo & fmic) at the same time.

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APR stage 1+ is lucky to get 210chp on stock injectors. IF that. Most big injector file Stage 1+ or Stage 2's are like 210-22chp. Especially on Stock intercooler.

Motoza is only like $300-$400 for a Stage 1+, or Stage 2 tune on stock injectors. And IMO would be a better tune, as its tailored, not one size fits all.

My Stage 2 tune, 21psi, stock turbo, DV, 3" catless downpipe, stock exhaust with no resonator, 6MT. Got it like 2 weeks ago, and I already want more, like alot more.

[mosnet99]

APR stage 1+ is lucky to get 210chp on stock injectors. IF that. Most big injector file Stage 1+ or Stage 2's are like 210-22chp. Especially on Stock intercooler.

Motoza is only like $300-$400 for a Stage 1+, or Stage 2 tune on stock injectors. And IMO would be a better tune, as its tailored, not one size fits all.

My Stage 2 tune, 21psi, stock turbo, DV, 3" catless downpipe, stock exhaust with no resonator, 6MT. Got it like 2 weeks ago, and I already want more, like alot more.

What do you think of 386cc injectors, HFC, forge DV, fmic and Motoza 1+ would get me?

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[jesse500]

What do you think of 386cc injectors, HFC, forge DV, fmic and Motoza 1+ would get me?

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Go stage 2 if your going bigger injectors, especially with FMIC. 21/22 PSI on stock K03. Hell if Old Guy ran it, it must not be too bad! IF you don't already have injectors, you can with other options, for less money, as TT injectors are expensive. Bosch 550's don't cost much in comparison. Even a catless downpipe are <$100.

If you did 21/22 psi on K03, DV, FMIC, 3TP/HFC, and a good motoza tune, I bet you would be happy for a little while.

Thats exactly what I will be doing i near future. Probably just with a K04.

[mosnet99]

As a general rule I've always avoided catless setups, since you need mil eliminators & won't gas mileage suffer?

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[customa4]

What do you think of 386cc injectors, HFC, forge DV, fmic and Motoza 1+ would get me?

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This setup will keep you happy for a while. I have the TT injectors, 034 HFC, Forge DV(unnecessary), and APR 1+(came with the car, I would purchase Motoza). When I want boost, it's there. Yea, it's not a big turbo setup and it's not as fast as an S4 but it's kept my urge happy.

As a general rule I've always avoided catless setups, since you need mil eliminators & won't gas mileage suffer?

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Yes, skip the catless setup, get a HFC.

[mosnet99]

This setup will keep you happy for a while. I have the TT injectors, 034 HFC, Forge DV(unnecessary), and APR 1+(came with the car, I would purchase Motoza). When I want boost, it's there. Yea, it's not a big turbo setup and it's not as fast as an S4 but it's kept my urge happy.



Yes, skip the catless setup, get a HFC.

I'll add a fmic to that and I think I'll be fine for a while.

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[customa4]

I'll add a fmic to that and I think I'll be fine for a while.

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For sure. If you don't plan on upgrading to a big turbo there's an option for an upgraded SMIC from Apikol. The great part is it's a lot cheaper than most FMIC's available and if you do plan to upgrade you can just sell it. Click

[jesse500]

As a general rule I've always avoided catless setups, since you need mil eliminators & won't gas mileage suffer?

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Gas mileage not really, I've never noticed a difference in other vehicle removing Cats, and my Tune eliminated any engine light codes. I also live in a emissions testing free area.

[jesse500]

For sure. If you don't plan on upgrading to a big turbo there's an option for an upgraded SMIC from Apikol. I'm pretty sure Old Guy has been running it on his car for a long time and it's kept the temps down. I'm not sure if he's still using it on his new setup. The great part is it's a lot cheaper than most FMIC's available and if you do plan to upgrade you can just sell it. Click

That Side Mount, I like.

[customa4]

OG runs the TyrolSport SMIC, not the Apikol.

[old guy]

OG ran it forever on his 1+ setup and had nothing but good things to say about it, curious to know if he's still running it.

The Apikol looks like a nice unit. I have a TyrolSport SMIC. It’s considerably larger than the Apikol unit. The Apikol is 227 cubic inches. The TyrolSport is 355 cubic inches. The larger mass helps a lot in keeping things cool.

[customa4]

Ahhhhh. Thanks for that. I knew you had an upgraded side mount, thought it was Apikol. Are you still running it with your current setup?

[old guy]

Yes sir I am.

[customa4]

Nicee!

[jesse500]

The Apikol looks like a nice unit. I have a TyrolSport SMIC. It’s considerably larger than the Apikol unit. The Apikol is 227 cubic inches. The TyrolSport is 355 cubic inches. The larger mass helps a lot in keeping things cool.

Thing looks nice, but $800, steep price.

[old guy]

Yes it is expensive. I picked mine up used for a really great price.

[customa4]

That's probably one of the only aftermarket parts that I've never seen for sale on the forum.