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RPM

6T4/CUSTOMS

Why 6T4

Numbers,
not vibes.

Every tune is measurable. Every part is traceable. Every weld is inspected. You can read the receipts on the dyno chart.

Dyno Precision

Every build is AFR-mapped on our in-house dyno. No seat-of-pants guesswork.

±0.1 AFR

Premium Sourcing

Direct lines to Akrapovič, SC-Project, Öhlins, Brembo, K&N. Genuine, traceable.

12 OEMs

Custom Fabrication

TIG-welded subframes, sliders, exhaust mods, one-off brackets. Hand-built by Arjun.

Welds are art

Receipts

Read the Graph.

Before vs after on a real build. Peak gains + area under the curve.

  • Bike: Ducati Panigale V4 S
  • Mods: Akrapovič Full Ti, Öhlins NIX30, Brembo Stylema, ECU Race Map
  • Peak HP gain: +18

Before / After

Drag to Reveal.

Stock
Peak HP
215
6T4 Tuned
Peak HP
233
+18.0 hp

The Arsenal

Tools on the bench.

Calibrated, maintained, respected.

  • Dynojet 250iX Dyno
  • Woolich RaceTools
  • Motec M1
  • Rapid Bike Evo
  • TIG 200 AC/DC
  • Laser Wheel Alignment
  • Torque Plates
  • Boroscope

Riders

What the owners say.

"They mapped my V2 properly for the first time in two years. Throttle response is a different planet."

Vivek N.

Ducati Panigale V2

"Took my Duke from sluggish to scary. Stage 2 flash + slip-on + filter — back in two days."

Karthik R.

KTM 390 Duke

"Annual major service done with surgical care. Even the bolts were torqued in spec."

Aishwarya S.

BMW R 1250 GS

"Fabricated me a custom subframe for my café build. Welds are art."