Show car2008
Project Hahn
Volkswagen Golf GTI MK5
552 hpOwner-claimed · Proof →
500 Club
552 hp puts this build in the 500 hp tier.
The tier follows the recorded horsepower — it does not mean dyno verified.
Other earned badges
Double Stock
Parts & installation · 9 parts
See what is installed, what is planned, and how it went on. Open a part for its exact details, photos and any installation guide.
Choose the parts you like and save them to a private plan. Check year, engine and fitment before buying.
Filter parts · category, status, guides
9 documented parts
Turbo1 part
Garrett GTX2867R Gen II
Garrett
InstalledView part detailsRecorded price €2,400
Visit seller
ECU1 part
Stage 3 custom flash (E85)
APR
InstalledView part detailsRecorded price €1,500
Intake1 part
Carbon intake system
Eventuri
InstalledView part detailsRecorded price €650
Visit seller
Exhaust1 part
Turbo-back 3" with sports cat
Milltek
InstalledView part detailsRecorded price €1,800
Visit seller
Cooling1 part
Front-mount intercooler
Wagner Tuning
InstalledView part detailsRecorded price €700
Fuel1 part
High-pressure fuel pump + injectors
Bosch
InstalledView part detailsRecorded price €900
Suspension1 part
V3 coilovers
KW
InstalledView part detailsRecorded price €1,900
Visit seller
Brakes1 part
6-pot big brake kit
Brembo
InstalledView part detailsRecorded price €2,600
Wheels1 part
18x8.5 forged
BBS
InstalledView part detailsRecorded price €2,200
Documented parts cost9 of 9 parts priced
- €14,650 EUR
Owner-recorded prices; unlisted costs are not included.
Build progress · 6 updates
Latest
- DoneAug 25, 2026+82552hp
E85 tune — broke 550 on the dyno
552 hp on E85. Dyno day was a good day.
View all 6 updatesoldest last
- DoneJun 25, 2026+90470hp
Big turbo install — GTX2867R
Custom manifold, 3" exhaust, full fuel system. The fabrication took a month.
- DoneApr 25, 2026+60380hp
K04 hybrid + supporting mods
Loba K04, front-mount intercooler, HPFP. Spooled hard and stayed reliable.
- DoneFeb 25, 2026+120320hp
Stage 2: downpipe + tune
APR Stage 2 with a Milltek turbo-back. Instantly transformed the car.
- DoneDec 25, 2025200hp
Picked up a clean MK5 shell
Found a rust-free GTI to base the project on. Bone stock to start.
- Planned
Next up: sequential gearbox
The DSG is on its way out at this power. Saving for a proper box.
Seen in the Paddock
Community
Rate the build
Build ranking votes · separate from likes and claim checks.
5
Questions & fixes by @jonas
@jonas's own threads in the MK5 club— the owner's history with this model, not a log kept for this exact car.
Details
Full Stage 3+ big-turbo build. ~550 hp at the crank on E85.
Dyno evidence & verificationOwner-claimed
Owner-claimed · not verified. The figures below were entered by the owner. A drawn curve is a visual estimate, not a measured dyno run.
- Power
- 552 hp · 620 NM
- Peak power
- Run details not recorded
- Peak torque
- Not recorded
- Stock
- 200 hp
- Dyno sheets
- None uploaded
Verification needs a dyno sheet reviewed for this build. An uploaded sheet, community votes and the club tier do not verify the figures by themselves.
Provenance
70/100
- · Dyno verified0/30
- ✓ Power claim plausible+20
- ✓ Original photos+15
- ✓ 3+ progress milestones+15
- ✓ 5+ documented parts+10
- ✓ Stock baseline on record+10
Provenance grows automatically as the ownerdocuments the build — dyno sheet, original photos, milestones. Visitors can't add to it, but votes and fuel are how you back a build you believe in.
Community checksno score yet
Opinions on the claims — performance figures, parts list, original photos. Separate from dyno verification and from build votes.
Community trust
first score at 5+ votes
- Performance figuresHP / NM believable?no votes yet
- Parts listMods really on the car?no votes yet
- PhotosOriginal, not borrowed?no votes yet
Log in to weigh in — one tap per claim.
Clubs & achievements
Power clubs follow the recorded horsepower. They do not verify the car or its figures.
500 ClubDouble Stock
7Build number
Full specifications & stock comparison
Dyno sheet · claimed figures
power torque stock
This chart displays the peak figures only — 552 hp / 620 Nm (owner’s claim). Peak RPM isn’t recorded, so the curve shape and peak positions are illustrative, not a measured run.
552hp
620 NM
Torque
—
0–100
—
100–200
Stock 200 → +352 HPStock 280 → +340 NM
- Drivetrain
- FWD
- Fuel
- Petrol
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