PPG / Newtownards · Northern Ireland
DPF Delete
Northern IrelandDiagnose first.
For a blocked DPF or warning light, find the cause before considering removal. DPF deletion does not fix an underlying fault. Suitable off-road projects can still be reviewed individually.
Offered a software-only DPF delete? Read our warning.
Off-road deletion remains available for suitable projects after review. It is not a repair for an existing vehicle fault.
A warning from the workshop
Software-only “DPF deletes”
are not a physical delete.
Filter still fitted. DPF functions disabled. Serious risk.
We regularly see software-only remaps offered as a repair. Disabling DPF functions does not remove or repair the filter still fitted in the exhaust.
If regeneration is disabled while the filter remains fitted, soot can continue accumulating. The filter can become blocked, restricting exhaust flow and risking serious engine damage. An extinguished warning light is not evidence that the problem has been fixed.
Offered this as a repair, or already had it done? Tell the workshop and arrange an assessment.
Software-only remap? Get it assessed ↗Blocked versus structurally failed
Blockages can be cleared.
Failed filters cannot.
A serviceable blocked filter can be cleaned. A cracked, melted or broken filter cannot be restored by cleaning. A remap cannot repair physical damage.

Public-road vehicles
Deletion can be
a false economy.
Not road legal. MOT failure.
Removing the DPF means the vehicle is no longer road legal. A missing manufacturer-fitted DPF fails the MOT DPF inspection. It must not be treated as compliant with road-use emissions requirements, even if it passes a smoke test.
PN testing is not required to identify DPF removal. A removed DPF can be identified through inspection. Do not assume removal will go unnoticed because a particle-number (PN) test is not used.
Read official NI Direct DPF guidance ↗Required acknowledgement
Off-road terms.
Read the customer responsibilities, release & indemnity
Customer responsibilities & service limits
This solution is supplied exclusively for dedicated off-road and competition performance use, subject to applicable site and event rules. PPG does not authorise, endorse or represent DPF deletion as suitable for public-road use or as a way to pass an MOT or emissions inspection.
By requesting this work, the customer confirms the intended off-road use, acknowledges that removal of a manufacturer-fitted DPF makes the vehicle illegal for public-road use and fails the MOT DPF inspection, and agrees not to use the modified vehicle on public roads. DPF deletion does not repair underlying engine or vehicle faults; those faults require separate diagnosis and repair. The customer acknowledges that physical deletion permanently alters the original DPF and cannot be reversed by software. Returning the vehicle to lawful road use requires replacement compliant emissions hardware and the appropriate ECU software. The customer is responsible for arranging suitable transport, observing site and event rules, and accurately declaring modifications where required.
To the fullest extent permitted by law, the customer releases PPG from claims and liability arising directly from the customer's unauthorised public-road use of the modified vehicle or breach of these off-road restrictions. The customer agrees to indemnify PPG against reasonable, legally recoverable third-party claims, losses and costs directly caused by that unauthorised use or breach, to the extent attributable to the customer's actions.
This release and indemnity do not cover PPG's negligence, breach of contract or breach of statutory duty. Nothing excludes liability for death or personal injury caused by negligence, fraud, any liability that cannot lawfully be excluded, or the customer's statutory rights.
For suitable off-road projects only
Still need an
off-road solution?
If you still require deletion for a dedicated off-road build, share your vehicle details and intended use.
Labour is priced per job. Total confirmed before work begins.
For dedicated off-road and competition vehicles only, subject to suitability and event rules. Existing faults require separate diagnosis and repair.
Before you enquire
A few final questions.
Do you offer DPF delete in Northern Ireland?
PPG in Newtownards reviews enquiries for suitable dedicated off-road and competition projects. Tuning is £275 plus labour quoted per job. For DPF faults, assessment remains our first recommendation.
Does performance use permit public-road use?
No. Off-road and performance use does not override the road-use restriction. The vehicle must not be used on public roads with its manufacturer-fitted DPF removed.
Are power gains guaranteed?
No. Results depend on the engine, hardware, calibration and condition. No fixed power or torque increase is promised.
Live Chat
ECU Remap Checker
Estimated figures only. PPG confirms suitability before tuning.