ModStock - Exhaust mods

ModStock - Exhaust mods Exhaust modification, ECU/TCU Remapping, coding, suspension, race brakes, fast road and motorsport 😎🔥🔧

05/06/2026

ModStock Exhaust Modifications now offers professional DPF cleaning using a specialist high-performance cleaning machine designed to restore blocked and restricted diesel particulate filters to optimal condition.

If your vehicle is suffering from DPF warning lights, loss of power, poor fuel economy, or frequent regenerations, our advanced DPF cleaning service can help restore performance and efficiency without the high cost of replacement. Our professional machine deep cleans the DPF internally, removing soot, ash, and carbon buildup safely and effectively.

At ModStock, we provide flexible options to suit your needs. You can bring your DPF to us for professional off-car cleaning, or we can provide a competitive quote for DPF removal and refit carried out by experienced technicians. This makes our service ideal for cars, vans, and commercial diesel vehicles including BMW, VW, Mercedes, Audi, and more.

Our industrial DPF cleaning process ensures:
• Maximum soot and ash removal
• Improved engine performance
• Better fuel efficiency
• Reduced emissions
• Extended DPF lifespan

Compared to chemical additives or forced regenerations, our machine-based DPF cleaning delivers a far deeper and longer-lasting result, helping to prevent costly future blockages and breakdowns.

Based on quality workmanship and reliable results, ModStock Exhaust Modifications is trusted for diesel DPF cleaning, exhaust services, and performance solutions. Whether your DPF is heavily clogged or just starting to restrict, we can restore flow and get your vehicle running properly again.

Contact ModStock today for a free quote on professional DPF cleaning.
Bring your DPF to us or ask about our removal and refit service for a complete hassle-free solution.

04/06/2026

🚗⚡ MODSTOCK XHP GEARBOX FLASHING – UNLOCK FASTER SHIFTS & MAX PERFORMANCE

Looking to get the most out of your BMW’s automatic gearbox? At Modstock, we specialise in professional XHP Gearbox Flashing designed to deliver sharper shifts, improved drivability, and enhanced performance across the full rev range.

Our expert gearbox tuning service optimises your transmission software to provide quicker gear changes, smoother acceleration, and a more responsive driving experience whether you’re daily driving or pushing your car hard. Perfect for BMW models including the M140i, M240i, M340i, X3M, X5M and many other ZF 6HP & 8HP equipped vehicles.

🔥 Why Choose Modstock XHP Gearbox Flashing?
✔ Faster, sportier gear shifts
✔ Improved launch and acceleration
✔ Enhanced torque handling for tuned vehicles
✔ Customisable shift maps (Comfort, Sport & Sport+)
✔ Better throttle response and driving feel
✔ Safe, reliable and fully reversible software

We use the latest XHP transmission tuning technology to safely flash your gearbox, ensuring maximum performance without compromising reliability. Ideal for remapped or modified cars looking to handle increased power efficiently.

🏁 Perfect Upgrade For:
• Stage 1 & Stage 2 tuned BMWs
• Performance enthusiasts
• Daily drivers wanting smoother shifts
• Track and fast road builds

At Modstock, we are trusted specialists in BMW coding, remapping, gearbox tuning and performance upgrades. Our experienced technicians ensure every flash is carried out professionally with precision and care.

📍 Professional Installation
⚙️ Advanced BMW Transmission Tuning
📅 Limited Appointments Available

Get booked in today for XHP Gearbox Flashing and transform the way your BMW drives.
Message Modstock now to secure your slot and experience the ultimate gearbox performance upgrade.

Ask about our UK WIDE Mobile Workshops.. wherever you are in the UK, we may be closer than you think 😎
03/06/2026

Ask about our UK WIDE Mobile Workshops.. wherever you are in the UK, we may be closer than you think 😎

02/06/2026

We are in Glasgow in a couple of weeks!! Get in touch to get booked in 💪🏼😎

02/06/2026

Land Rover Owners!! Take a look at this transformation 😮‍💨😈😎🔥🔥🔥

01/06/2026

Our Supercharged E92 M3 track car will be returning to our workshop very soon 😎 lots of videos to come with this one 😮‍💨🔥🔥🔥

01/06/2026

B8 RS4 / RS5 owners!! You know what to do.. get in the DM’s 😎🔥🔥

30/05/2026

Upgrade Your F8X M3/M4 with the All-New Modstock Equal Length Midpipe

Transform the sound and character of your BMW F80 M3 or F82/F83 M4 with Modstock’s brand-new Equal Length Midpipe. Specifically engineered for the F8X platform, this premium exhaust upgrade delivers the iconic equal length exhaust note, improved exhaust flow, sharper throttle response, and a more engaging driving experience.

Designed to bring out the best of the S55 engine, our Equal Length Midpipe produces a smoother, more exotic tone while maintaining excellent fitment and build quality.

Choose Your Sound

🔥 Resonated Rear SectionEnjoy a deeper, smoother exhaust note with reduced drone and a refined tone that’s perfect for daily driving and long journeys.

🔥 Non-Resonated Rear SectionUnlock a louder, more aggressive exhaust note with maximum volume, enhanced turbo sound, and a more race-inspired driving experience.

Engineered for Performance

Our Equal Length Midpipe is designed to optimise exhaust flow and improve gas scavenging, helping to create a more balanced exhaust pulse and the distinctive sound that F8X owners love. The result is improved responsiveness, enhanced driving enjoyment, and a richer S55 soundtrack throughout the rev range.

Why Choose Modstock?

✔ Precision-engineered for the BMW F8X M3/M4 platform✔ Signature equal length exhaust tone✔ Premium-quality materials and OEM+ fitment✔ Choice of resonated or non-resonated rear sections✔ Compatible with stock and aftermarket exhaust systems

Professional Installation Options

We offer a range of convenient fitting services to suit your needs:

🔧 In-House Workshop Installation🚐 Mobile Workshop Service🏠 Driveway Fitting Service – professional installation at your home

Worldwide Shipping Available

No matter where you’re located, we can ship your new Equal Length Midpipe directly to your door, with professional fitting services available for customers who want a seamless installation experience.

Experience the sound the S55 should have had from the factory with Modstock’s latest Equal Length Midpipe.

Order yours today and discover the perfect balance of performance, sound, and drivability.

Audi RS5 in for our inserted sports cats this week 😎🔥🔥
29/05/2026

Audi RS5 in for our inserted sports cats this week 😎🔥🔥

28/05/2026

BEAST MODE ACTIVATED!! Gen 2 Audi R8 V10 now running our Back Box Mod and Remote Valve Controller 😎😈😮‍💨 LETS GO!!

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Epsom

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Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm

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