SCM Performance
Based in Llanelli, South Wales, SCM Performance offers professional ECU remapping for most makes and models. All calibrations are developed on our in-house dyno to deliver top performance.
Contact us today to see what we can do for your car!

We’re a family-run business located in Crosshands Business Park, near Swansea and Llanelli. Here, you’ll find performance figures, pricing, and all the info on our services.

With over 30 years in diagnostics and motor repair — and a passion for performance — we know how to get the best from your car. Whether it’s more power, better fuel economy, or both, remapping can unlock hidden potential while staying within safe, reliable limits.

Opening Hours
Monday to Friday: 8:30 AM – 5:00 PM

SCM Performance Services
We use genuine software and test on our Dyno Dynamics AWD rolling road. We partner with top tuning houses like ATM Chiptuning — this isn’t a side service, it’s what we do best.

Why Choose SCM?

Custom tunes tailored to your car
Master tuner — not tied to one brand
Access to Europe’s best tuning files, with in-house tweaks

TERRACLEANING
Nano-tech cleaning to remove exhaust carbon build up, improving MPG and reducing emissions.

REMAPPING
Boost torque, power, and fuel economy with an optimised ECU tune for smoother, stronger performance.

DIAGNOSTICS
Check engine light? Our advanced tools can quickly identify faults.

AIR CONDITIONING
A fast de-gas and re-gas service to restore your vehicle’s A/C system.

Dyno Dynamics DS450 AWD Rolling Road
We offer dyno testing (up to 1200 bhp) for FWD, RWD, and AWD cars. Available for power runs, map development, and hire by fellow tuners.
At SCM, we’re committed to delivering reliable, high-quality service — using only trusted tools and parts.

SCM Performance – Our Drift Project
We fell in love with drifting back in 2015 at Pembrey — and started our own project with a BMW 330i Clubsport. It’s still evolving, and it’s powered by passion (and a fair bit of fuel).

Racingline Air Filter

Racingline Air Filter, Racingline’s Performance Air filters replaces the restrictive factory paper filter element with a much higher flow.

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Racingline Performance High-Flow Replacement Filter VW Polo GTI 1.4TSI (6R)
£96.97 Add to basket
Racingline Performance High-Flow Replacement Filters VW Golf Mk6
£65.52 Select options This product has multiple variants. The options may be chosen on the product page
Racingline Performance High-Flow Replacement Filters VW Scirocco Mk3 (13)
£65.52 Select options This product has multiple variants. The options may be chosen on the product page
Racingline Performance High-Flow Replacement Filters Audi TT Mk2 (8J)
£65.52 Select options This product has multiple variants. The options may be chosen on the product page
Racingline Performance High-Flow Replacement Filters Audi TT RS
£65.52 Add to basket
Racingline Performance High-Flow Replacement Filters VW Caddy (2K)
£65.52 Select options This product has multiple variants. The options may be chosen on the product page
Racingline Performance High-Flow Replacement Filters VW Jetta Mk5
£65.52 Select options This product has multiple variants. The options may be chosen on the product page
Racingline Performance High-Flow Replacement Filters VW Jetta Mk6
£65.52 Select options This product has multiple variants. The options may be chosen on the product page
Racingline Performance High-Flow Replacement Filters VW Passat CC
£65.52 Select options This product has multiple variants. The options may be chosen on the product page
Racingline Performance High-Flow Replacement Filters VW Passat (B6)
£65.52 Select options This product has multiple variants. The options may be chosen on the product page
Racingline Performance High-Flow Replacement Filters VW Tiguan (5N)
£65.52 Select options This product has multiple variants. The options may be chosen on the product page
Racingline Performance High-Flow Replacement Filters VW Touran (1T)
£65.52 Select options This product has multiple variants. The options may be chosen on the product page
Racingline Performance High-Flow Replacement Filters VW Golf Mk5
£65.52 Select options This product has multiple variants. The options may be chosen on the product page
Racingline Performance High-Flow Replacement Filter Skoda Fabia vRS (5J)
£96.97 Add to basket
Racingline Performance High-Flow Replacement Filter SEAT Ibiza Cupra (6J)
£96.97 Add to basket
Racingline Performance High-Flow Replacement Filters Audi A3 (8P)
£65.52 Select options This product has multiple variants. The options may be chosen on the product page
Racingline Performance High-Flow Replacement Filters Seat Leon (1P)
£65.52 Select options This product has multiple variants. The options may be chosen on the product page
Racingline Performance High-Flow Replacement Filters Seat Altea
£65.52 Select options This product has multiple variants. The options may be chosen on the product page
Racingline Performance High-Flow Replacement Filters Skoda Octavia (1Z)
£65.52 Select options This product has multiple variants. The options may be chosen on the product page
Racingline Performance High-Flow Replacement Filters Seat Toledo (5P)
£65.52 Select options This product has multiple variants. The options may be chosen on the product page
Racingline Performance High-Flow Replacement Filters VW EOS (1F)
£65.52 Select options This product has multiple variants. The options may be chosen on the product page
Racingline Performance High-Flow Replacement Filters Audi RS3
£65.52 Add to basket
Racingline Performance High-Flow Replacement Filters Audi S3 (8P)
£65.52 Select options This product has multiple variants. The options may be chosen on the product page
Racingline Performance High-Flow Replacement Filter Audi A1 1.4TSI (180bhp)
£96.97 Add to basket
Racingline Performance High-Flow Replacement Filters VW Golf Mk7
£78.62 Select options This product has multiple variants. The options may be chosen on the product page
Racingline Performance High-Flow Replacement Filters Seat Leon Mk3 (5F)
£78.62 Select options This product has multiple variants. The options may be chosen on the product page
Racingline Performance High-Flow Replacement Filters Audi A3 (8V)
£78.62 Select options This product has multiple variants. The options may be chosen on the product page
Racingline Performance High-Flow Replacement Filters Audi S3 (8V)
£78.62 Add to basket
Racingline Performance High-Flow Replacement Filters Skoda Octavia Mk3
£78.62 Select options This product has multiple variants. The options may be chosen on the product page
Racingline Performance High-Flow Replacement Filters Audi R8
£242.42 Select options This product has multiple variants. The options may be chosen on the product page
Racingline Performance High-Flow Replacement Filter VW Polo GTI 1.8TFSI
£85.18 Add to basket
Racingline Performance High-Flow Replacement Filter SEAT Ibiza Cupra 1.8TFSI
£85.18 Add to basket
Racingline Performance High-Flow Replacement Filter Audi S1 2.0T
£85.18 Add to basket
Racingline Performance High-Flow Replacement Filters Audi TT (Mk3)
£78.62 Add to basket
Racingline Performance High-Flow Replacement Filters Audi S4 (B8)
£103.52 Add to basket
Racingline Performance High-Flow Replacement Filters Audi S5 (B8)
£103.52 Add to basket
Racingline Performance High-Flow Replacement Filters Audi S5 (B9)
£131.04 Add to basket
Racingline Performance High-Flow Replacement Filters Audi S4 (B9)
£131.04 Add to basket
Racingline Performance High-Flow Replacement Filters Audi TT RS (8S)
£72.07 Add to basket
Racingline Performance High-Flow Replacement Filters Audi RS3 (8V)
£72.07 Add to basket
Racingline Performance High-Flow Replacement Filters VW Amarok
£72.07 Add to basket
Racingline Performance High-Flow Replacement Filters VW Polo GTI (AW)
£78.62 Add to basket
Racingline Performance High-Flow Replacement Filter VW Up! GTI
£81.24 Add to basket
Racingline Performance High-Flow Replacement Filter VW T5/T6 2.0TDI
£72.07 Add to basket
Racingline Performance High-Flow Replacement Filter 1.0TSI
£81.24 Add to basket
Racingline Performance High-Flow Replacement Filters VW Golf Mk8
£78.62 Select options This product has multiple variants. The options may be chosen on the product page
Racingline Performance High-Flow Replacement Filter 1.5TSI
£85.18 Add to basket
Racingline Performance High-Flow Replacement Filters Cupra Formentor
£78.62 Select options This product has multiple variants. The options may be chosen on the product page
Racingline Performance High-Flow Replacement Filter Audi RS6 / RS7 (C8) 4.0TFSI
£167.99 Add to basket