Aston Martin Valiant remapping
Typical Stage 1 figures for all 1 Valiant engines, from 705bhp to 705bhp stock, with Stage 2 shown where the engine suits it.
Valiant remapWe hold 1 Aston Martin Valiant engines across 1 generation, 2026 on. Pick yours below: the 5.2 V12 715hp has the biggest typical Stage 1 gain, 705bhp stock to around 770 to 820bhp.
VEXEN remaps, diagnoses and codes the Aston Martin Valiant at our unit in Fenton, Stoke-on-Trent. We hold 1 Valiant engines across 1 generation, 2026 on. Stage 1 is £249 and Stage 2 is £349. Pick your engine below, or message us with your reg for the exact figure.

Typical Stage 1: 770 to 820bhp, from 705bhp stock
Valiant 5.2 V12 715hp remapDealer-level diagnostics, coding, adaptations and service resets for the Valiant
Diagnostics and codingWritten into your Valiant remap: pops and bangs £80 extra, limiter removal on request
Valiant 5.2 V12 715hp remapTypical Stage 1 figures for all 1 Valiant engines, from 705bhp to 705bhp stock, with Stage 2 shown where the engine suits it.
Valiant remapDealer-level diagnostics for the Valiant: full module scanning, fault investigation, live data, adaptations, service resets and vehicle configuration. We find out why a warning light is on, not just clear it.
Diagnostics and codingPops and bangs and limiter removal are added to the Valiant remap software. Pops and bangs are £80 on top of the remap price; message us about limiter removal for your engine.
Valiant remapEvery Valiant we list was built after Aston Martin began offering Apple CarPlay or Android Auto from the factory (2017 on the makers' own lists), so yours may already have it. Send us your reg and we will check.
Send your reg to checkStill have a question? Message us with your reg and what you would like done.
Pick the easiest way to reach Shane. WhatsApp is quickest; send your reg for an exact figure.