Drivetrain Upgrades for the Achtuning (Mk7) GTI

Posted on December 1, 2015 – 11:53 am

Since replacing the stock IS20 turbo on the Achtuning VW (Mk7) GTI with the IS38 turbo from a Golf R we needed to eliminate weak points within the drivetrain to better put down the extra power.  An upgraded “Stage 2 Daily” clutch and flywheel from Southbend would allow us to climb through the gears without missing a beat…

… While a WaveTrac limited slip differential keeps both feet firmly planted to the ground and evenly distributing power, eliminating torque steer.

As far as we know this is the first manual transmission equipped VW (Mk7) GTI to receive the WaveTrac upgrade and we can’t wait to put the GTI through its paces on the track to test the new upgrades!


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VW (Mk7) GTI Turbo Upgrade

Posted on November 23, 2015 – 2:38 pm

We’ve just upgraded the turbo on the Achtuning VW (Mk7) GTI. On the left is the IS38 Golf R/S3 turbo which is a direct drop in replacement for the IS20 GTI/Audi A3 turbo you see on the right, and good for an APR claimed 337 WHP and 360 WTQ on their 91-octane tune!

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Outfitting the Achtuning VW (Mk7) GTI with an AWE Tuning Exhaust

Posted on February 3, 2015 – 3:00 pm

Finally got a chance to get some post-install images of the AWE Tuning “Touring Edition” turbo-back exhaust featuring diamond black tips on the Achtuning GTI!

Fit and finish is spot on as advertised. The system bolted right up with little need for adjustment and there is a noticeable increase in power. Will need to spend more time behind the wheel in order to provide some feedback from a driver’s standpoint but from outside, this GTI is sounding great!

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Posted on December 23, 2014 – 11:00 am

After running H&R “Street Performance” coilovers on the ACHTUNING GTI for a while we’re going to try out the coilovers Vogtland sent us so we can compare.  Both options are IN STOCK, ready to ship!  Visit our website to begin an online order or call our sales team: 425-895-0000.


The Achtuning GTI gets AWE Tuning’s “Touring Edition” turbo-back exhaust with Black Diamond tips installed today as well. Looking forward to the slight bump in power from APR “Stage 1” levels and the deeper tone of the AWE exhaust. We also recently installed a “Track Edition” (non-resonated) turbo-back exhaust on Alistair’s Mk7 last week. Check out our Instagram page for a short video with sound clip!

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VW CC: AWE Tuning Dual Tip Conversion

Posted on July 24, 2014 – 1:00 pm

Featuring a straight through resonator combined with a specially tuned Helmholtz resonator, AWE Tuning’s VW CC 2.0T “Touring Edition” Exhaust has a velvety smooth European tone that is civil under part throttle yet produces an aggressive note at full throttle – the best of both worlds. The system we selected and recently installed on our own VW CC is their newest dual outlet version with single black-diamond tips on each side of the rear valence. Including all hangers, clamps, bolts and paste to ensure a simple installation this system is truly a bolt-on system once you’ve converted to the 3.6L’s rear valence also available right here at Achtuning!


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APR R8 Stage III+ Supercharger System now R-Tronic Compatible!

Posted on June 16, 2014 – 9:00 am

After months of additional testing, Achtuning is pleased to announce the APR Stage III+ TVS1740 Supercharger System is fully compatible with the R-Tronic transmission! Check out the video featuring our very own R-Tronic equipped, APR “Stage 3” supercharged Audi R8 being flogged on an airfield with APR’s 6-speed R8!

In the factory form, Audi’s high revving FSI V8 can leave much to be desired compared to some of the latest technological advances brought forth by Quattro GmbH in recent years. The APR Stage III+ TVS1740 Supercharger System fills the void by adding an average of roughly 46% more horsepower and torque across the entire power band. The results are nothing short of amazing; taking the R8 from 425 horsepower to 642 horsepower on pump fuel and 689 horsepower on race fuel without breaking a sweat! With 550 FT-LBS on tap thanks to the TVS1740’s positive displacement supercharger, expect instant acceleration with absolutely no lag commonly associated with other forms of forced induction.

To read more about the system and all of the included components, power, acceleration results, and more, check out our product page or contact us via email ( or give our sales team a call: 425-895-0000

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ACHTUN!NG Volkswagen (Mk7) GTI

Posted on June 3, 2014 – 10:00 am

Volkswagen’s 7th generation GTI has just landed in the US and Achtuning has already added one to the fleet! A set of 18″ Hartmann Euromesh 4-GS have already been installed and we’ve got suspension on the way from H&R!!

The wheels are 18×8 +40mm offset up front, +32mm offset out back with the factory 225/40-18 tires wrapped around them. (We threw on the +32 offset we offer out back and installed H&R’s 5mm spacers with the +45 offset we offer up front.)

Stay tuned here on our blog or interact directly with us as we update you on the Achtuning VW (Mk7) GTI project on Facebook, Instagram, and in our Mk7 GTI specific thread on!

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COMING SOON for VW (Mk6) Golf R owners!!

Posted on March 21, 2014 – 2:02 pm

Volkswagen (Mk6) Golf R owners can now rejoice with the soon-to-be-released, latest and greatest from Achtuning! This is our first prototype piece fitted to the Achtuning Golf R’s front bumper and will be put to the test this weekend for Son of QuattroFest out at The Ridge Motorsport Park. Come out and see us or stay tuned here to see more about what we have coming for you Golf R owners!!

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Size Does Matter

Posted on September 11, 2013 – 3:10 pm


The StopTech ST60 “Trophy” Big Brake Kit has arrived for the ACHTUNING Volkswagen Golf R! (Which means we’re going to have a KILLER deal available for anyone interested in a slightly used ST40 Trophy kit for Golf R!! Email for more info.)  Upgrading from the current 4-piston to 6-piston caliper gets us more thermal capacity and more pad surface for an over-all improvement in braking performance.  The gorgeous StopTech “Trophy” MIL-spec hard-anodized calipers are impervious to color change or fading at extreme race temperatures.


3607 4920

Despite the increase in size, the over-all weight difference is minimal – under 2 lb when including the larger ST60 caliper bracket!  We look forward to seeing how much of a difference the kit will make for us on the track.

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Achtuning A3 is (edit) SOLD!

Posted on July 15, 2013 – 4:38 pm

As the saying goes, “All good things must come to an end.” Our favorite project car to date continues to be a blast to drive and has been a fantastic marketing tool for the business. It’s a head-tuner on the street and a 911-killer on the track! However, with exciting new cars being added to the Audi and Volkswagen line-up it’s time for Achtuning to move on and sell the A3.

The Achtuning A3 project started with an APR “S3 Conversion” with K04 turbo, front mount inter-cooler, high pressure fuel pump, Carbonio cold air intake, and APR “stealth” turbo-back exhaust. We threw on H&R’s “Premium” coil-over suspension kit and had 225/35 Falken FK452s wrapped around 19″ Hartmann Forged Split-7 Wheels. StopTech’s 355mm ST40 big brake kit is exposed through the polished spokes. A Stern Subframe ReBar helps keep things nice and sturdy out back, allowing the front-wheel-drive torque monster to keep all 4 wheels properly balanced on the road around the twisties. Factory Audi styling bits like a front lip, side skirts, rear valence, and roof spoiler gave the A3 a more aggressive look.

The A3 was stripped of it’s engine in late 2009 to make room for APR’s “Stage 4″ set-up but the arrival of the Achtuning Golf R meant it would make more sense to put the sub-500 hp engine into something that can put all that power to the ground using all 4 wheels. Therefore the “Stage 4″ now resides in the Achtuning Golf R which left us with a perfectly good, low-mileage BPY 2.0T engine out of the Golf R to throw into the A3. There are benefits of running the BPY engine over the A3′s original CDL 2.0T engine and they are:

– Lower compression (9.8:1) forged pistons. BPY is 10.5:1.
– strengthened connecting rods
– enlarged wrist pins
– stronger piston rings
– upgraded bearings
– reinforced engine block
– upgraded camshafts (longer duration)
– upgraded injectors (+13% flow)

The A3 is still running APR’s inter-cooler, Carbonio intake, and high pressure fuel pump along with the full APR 3″ turbo-back exhaust. A Quaife limited-slip differential also made its way into the transmission. The software on the ECU is still the APR “Edition30/K04″ turbo file. APR quotes 309hp and 314tq with ECU, intake, and high pressure fuel pump while the turbo-back exhaust typically adds another 25hp – some healthy numbers for 4-doors and a hatch! Only 8500 miles on the Golf R engine while there is just under 84K miles on the chassis. (We picked it up with 73K)

(edit:  This car has been sold.  We wish the new owner the very best and congratulate him on his new purchase.)

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