MAPerformance

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MAPerformance was born in the summer of 2006 with no customer base, no formal business plan, and no corporate support. Just two friends committed to enhancing the customer experience through fair pricing, comprehensive offerings, and expert advice from passionate enthusiasts that honestly want to help.

The GT-R in Disguise 🥸In 1997, Autech Japan took a family wagon, pulled the RB26DETT straight out of the R33 GT-R, and d...
06/17/2026

The GT-R in Disguise 🥸

In 1997, Autech Japan took a family wagon, pulled the RB26DETT straight out of the R33 GT-R, and dropped it in. Same engine, same ATTESA E-TS AWD, same Brembo brakes, then they called it the Stagea 260RS; the "260" literally referencing the RB26 under the hood.

Factory specs: 280 PS, 368 Nm, 5-speed manual, 0–60 in 5.5 seconds. And like every Japanese performance car of the era, those numbers were underreported.

Autech didn't just swap the engine and call it done. BBS forged wheels, strut tower bars, rear mechanical L*D, stiffened pillars, and a GT-R steering wheel with matching gauges inside. Close your eyes in the passenger seat and you'd swear you were in a Skyline.

Only 1,734 were ever built. They're so rare that spotting one in the wild is an event, and most people would have no idea what they were looking at...and that's pretty much the whole point.

The 260RS is the only factory RB26 Stagea, every other one you see is a swap. U.S. import eligibility opened in 2021, and prices are already climbing; clean examples are clearing $50K at auction.

These cars were the true definition of a sleeper, and perhaps the most badass grocery getter ever made 🏎️

3 things you NEED to know about flash tuners! 🚨Myth #1: Off the shelf (OTS) maps should never be used. - Incorrect! ...
06/16/2026

3 things you NEED to know about flash tuners! 🚨

Myth #1: Off the shelf (OTS) maps should never be used.

- Incorrect! Though an OTS tune should not be compared to a full custom dyno tune, brands like Cobb put a ton of dyno and R&D time to create these maps, and they are viable to use. 

Myth #2: Flashing the OTS maps is all I need to do.

- Wrong! Though someone like Cobb does most of the heavy lifting for you on the R&D side, it is your responsibility to understand how your car is modified, to choose a tune appropriate for those modifications, and to understand which parameters to monitor and what they mean.

Myth #3: OTS tunes will work for any level of modifications.

- Disagree! Though to some it might be obvious, OTS maps are not appropriate for every setup. If you add parts that aren't accounted for in the tune (i.e big turbo), that tune is no longer appropriate, and you will put your car at risk. If the map doesn't support your setup, don't just blindly run it; it's time for a dyno tune. 

There is absolutely a use case for flash tuners, but it's up to the end user to implement them properly.

Good news! The R34 GTR and nearly every other legendary car that never saw the US market can now be imported from Japan....
06/16/2026

Good news! The R34 GTR and nearly every other legendary car that never saw the US market can now be imported from Japan.
..This is also bad news.

The fact that so many of the iconic Japanese cars were "off limits" is a big part of what made them feel like more than just machines. The best we could do for so long is drive them in video games like Gran Turismo, Forza, NFS Underground and Midnight Club - especially the R34 GTR, and that made them feel larger than life.

And now that we have access to them (on paper at least), it's almost a bittersweet victory isn't it? Don't get us wrong, it's super cool to see them stateside, but does anyone else feel like something is... missing?

If nothing else, it begs the question...now what?

Are we crazy? Tell us what you think!

The brain behind some of the fastest builds on the planet.Haltech has been in the engine management game since 1986, and...
06/11/2026

The brain behind some of the fastest builds on the planet.

Haltech has been in the engine management game since 1986, and not just as a participant. They were the first company in the world to develop real-time tuning for internal combustion engines. Every standalone ECU you see on a built motor today traces its roots back to what Haltech proved was possible nearly 40 years ago.
Here's what actually makes them stand out in a crowded market:

The Elite series ECUs come fully unlocked out of the box. Any advertised feature can be used without purchasing additional software; launch control, traction control, anti-lag, flex fuel, drive-by-wire. It's all there. You're not paying for the ECU and then paying again to unlock what you already bought.

You don’t need to go all out to get these benefits either. The more entry level Elite 1500 includes drive-by-wire throttle control, intake and exhaust cam control, short and long-term map learning, knock control, and on-board data logging. On a wired-in standalone, that's a serious feature set for the money.

For builds that don't need a full re-wire, the plug-and-play kits drop straight into the factory harness. Flex fuel sensors and multifunction gauges are also available as add-ons, customizable through Haltech's official app. And when new features roll out, they come as a firmware update you flash to your existing ECU; your hardware doesn't go obsolete.

The forum reputation backs all of it up. From built 4B11Ts and EJ motors to K-swaps and big-power 2JZs, tuners across every platform keep coming back to Haltech because the software is deep, the support line actually picks up, and both the hardware and software are as solid as they come.

We carry Haltech, check out our website or give us a call! �

Your intercooler should only have one thing moving through it, and it’s not oil.Whether your car is stock, or heavily mo...
06/10/2026

Your intercooler should only have one thing moving through it, and it’s not oil.

Whether your car is stock, or heavily modified, a catch can / AOS should be one of the first parts on your list. On any boosted setup, crankcase pressure can push oil v***r through the PCV system and straight into your intake tract, coating the inside of your intercooler, piping, and intake with a film of oil. This has various negative effects, including reducing the octane rating of your fuel which increases the risk of detonation, and not to mention it loads up your charge piping and intercooler with a nice film of oil.

A catch can or AOS is the fix, and it's one of the least-glamorous but most worthwhile things you can bolt on.

Evo X guys: Our MAP Catch Can / Coolant Expansion Combo replaces that plastic coolant overflow tank with a cast aluminum unit that doubles as a full vent-to-atmosphere catch can. It has a built-in level float so you can check coolant at a glance, and an easily accessible drain right next to the factory oil filter location.

Subie folks: The IAG AOS is the go-to for a reason. It features a 1-liter cast aluminum swirl pot, integrated coolant passage for heat retention, and a baffle system that separates oil from your PCV gases and drains it back to the crankcase automatically, no routine draining needed.

Neither of these are a "nice to have." Whether you're making real power or you’re still stock, you’ll benefit from a good catch can setup.

Flash tuner or aftermarket ECU; which one does your build actually need?For most bolt-on street builds, a flash tuner is...
06/09/2026

Flash tuner or aftermarket ECU; which one does your build actually need?

For most bolt-on street builds, a flash tuner is the right answer. A Cobb Accessport on a WRX or an Evo X, Ktuner on an FK8, all makes sense depending on your goals. A full bolt-on STI hitting 300-400whp doesn't necessarily need a Haltech Elite ECU. �

A standalone ECU (Haltech, Link, AEM) is a full replacement for the factory unit. Total control over every input, every table, every sensor with unlimited customization. That stuff matters when you're pushing well past bolt ons or making high horsepower, running an engine swap the factory ECU was never designed to manage, or building a car where the OEM platform simply can't do what you need.

The honest answer for most builds: flash tuning is sufficient up to a point. Where the math changes is when your build outgrows what the factory ECU can handle effectively, or, you find yourself wanting more capability and customization, engine safeties, etc.

Questions about what your build needs? Drop them below or shoot us a message! �

Imagine if car companies hit us with marketing like they did back in the day. That tagline is incredible 😂They just don’...
06/08/2026

Imagine if car companies hit us with marketing like they did back in the day. That tagline is incredible 😂

They just don’t make ‘em like they used to, do they?

Top 5 JDM cars to import in 2026 🏎️ST205 Celica GT FourGDB STIEvo VIIDC5 Integra Type REP3 Civic Type RToyota built the ...
06/07/2026

Top 5 JDM cars to import in 2026 🏎️

ST205 Celica GT Four
GDB STI
Evo VII
DC5 Integra Type R
EP3 Civic Type R

Toyota built the ST205 to win the WRC, not to mention, it's one of the coolest cars ever made. The GDB STI came equipped in Japan with the legendary EJ207, which is arguably the best engine Subaru ever made. The Evo VII is one of those lesser discussed diamonds that nobody on this side of the Atlantic ever got to see in detail. The DC5 Integra Type R is still one of the cleanest handling front wheel drive platforms ever put into production. Finally, last but certainly not least, the EP3 Civic Type R brought the K20 stateside before the K20 was cool.

All five hit 25 year eligibility right around now, all might be some of the coolest cars of all time.

Which one are you importing?

06/06/2026

Evo X ASMR 📣

Volume up!

Most aftermarket manifolds for the 4B11T are cast. Cast works, but this is the next level 💪On our Tubular Evo X Exhaust ...
06/05/2026

Most aftermarket manifolds for the 4B11T are cast. Cast works, but this is the next level 💪

On our Tubular Evo X Exhaust Manifold, every fl**ge is CNC plasma and laser cut, then chamfered, deburred, and flat-sanded by hand. That flat seating surface is what keeps your gasket seated and your hardware torqued. On the turbo side, once it heat-cycles, you could run it gasket-free in a racing application. Not kidding.

Runner diameter was chosen to keep gas velocity high out of the head. Too big and you lose velocity, too small and you're choking flow. Equal length runners match the 4B11T's firing order so exhaust pulses hit the turbine impeller at the right intervals. True twin-scroll keeps those pulses separated all the way to the wheel which means more pressure and velocity into the turbine.

The build process is where this separates from everything else on the market.

Every part gets cleaned before it touches the jig, and each runner segment gets beveled before fitting. Fit-up starts at cylinder 1 and every other runner references off it. Each segment is custom fitted bend by bend until the flow path is right and clearance is confirmed.

After tacks, every runner comes off the jig, gets back-purged and welded. Inside of every fl**ge-to-runner connection gets welded and sealed after cooling. All ports are then hand-ported until smooth and finally, the manifold is flat-sanded after welding to confirm the fl**ge is 100% true. Then, a final QC check before it ships.

Nothing gets skipped to hit a price point 🤝

Address

Wrightstown, WI

Opening Hours

Monday 9am - 6pm
Tuesday 9am - 6pm
Wednesday 9am - 6pm
Thursday 9am - 6pm
Friday 9am - 6pm

Telephone

+16513488811

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