SUSP-01Suspension
Bilstein B12 Cup Suspension Kit Install (Build Ep. 1)
Travis drops the TT on a Bilstein B12 kit — full install and first impressions.
Build showcase
Travis's Garage
The Mk1 Audi TT 225 Quattro, one part at a time. Every part here has been installed on camera — watch the video, then grab it from the Shop.
Full walkthrough
Every mod on the TT
Start here for the whole build, then dig into each part below.
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TUNE-01Wideband Conversion
THE 1.8t Wideband Conversion Guide! (Build Ep. 2)
Swapping to a wideband O2 sensor and harness so the tune can be dialed in properly.
FUEL-01Fuel System
550cc Injectors, 4bar FPR & Sytec Fuel Pump (Build Ep. 3)
Supporting fuel mods for more boost: bigger injectors, a 4 bar regulator and a new pump.
SUSP-02Rear Control Arms
Megan Racing Adjustable Control Arms (Build Ep. 6)
Adjustable rear arms to sort out camber after lowering.
EXH-01Exhaust & Downpipe
Mk1 Audi TT DIY Full 3" Catless Exhaust Build
A full 3-inch DIY exhaust, starting from the downpipe back.
DRV-01Shifter & Bushings
Dieselgeek Mk4 Shifter Bushing Kit & Short Shifter Install
Tightening up a sloppy shifter with solid bushings and cable ends.
INT-01Cold Air Intake
Cone Filter vs Enclosed Cold Air Intake (SprogTech STX)
Open cone vs enclosed intake — which one actually makes sense on the 1.8T.
ENG-01Catch Can & PCV
THE 1.8t Catch Can Guide!
Keeping oil out of the intake with a catch can and billet PCV check valve.
TURBO-01Wastegate & Turbo
My Audi TT Has NEVER Pulled SO Hard! (Wastegate Rebuild)
A fresh wastegate actuator brings the boost back — and then some.