Exhaust · 2026
Ford Fiesta exhaust cost
An exhaust mid-section on a Ford Fiesta typically costs £85–£307 fitted at a UK independent garage, with a full system around £186–£675. The Fiesta's signature exhaust failure is the flexi joint on the 1.0 EcoBoost — common enough that dedicated bolt-on repair kits exist, saving the cost of the catalytic converter it normally comes attached to.
Emissions hardware
Diesel Fiestas vary: some 2008–12 1.6 TDCi cars use a DPF with the Eolys fuel-additive system (a tank that needs periodic top-ups), while others of that era have no DPF — check per car. Petrols gained a particulate filter (GPF) with Euro 6.2, phased in from around late 2018.
What's on a Ford Fiesta exhaust?
A sectional system: downpipe with close-coupled catalytic converter and a flexi joint, then centre section and rear silencer, all sold and replaced separately. On the 1.0 EcoBoost the flexi normally comes attached to the cat assembly — but bolt-on flexi repair kits let garages fix a burst flexi without replacing the cat, which is the economical route.
Ford Fiesta exhaust replacement cost
A mid-section — the most common failure point — typically costs £85–£307 fitted at a UK independent garage, and a full system around £186–£675. If several sections are corroded, replacing the lot is often cheaper than doing them one MOT at a time. The catalytic converter is a separate, much pricier part.
Key things to know
- A burst or blowing flexi is the documented common failure on the 1.0 EcoBoost — and a common MOT failure point. Dedicated bolt-on repair kits (around £65 in parts) avoid replacing the cat it's attached to.
- Welding a failed flexi rarely lasts — the joint moves constantly. Section replacement or a proper bolt-on kit is the durable fix.
- Short urban journeys are the typical Fiesta exhaust killer — the system never gets hot enough to dry out, so it corrodes from the inside.
- Genuine Ford back boxes run £115–£238; aftermarket rear silencers span roughly £40–£140 — sectional repair is the norm, not full systems.
Good question
Questions Okay gets asked a lot
How much does an exhaust cost for a Ford Fiesta?
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Expect £85–£307 fitted for the mid-section — the most common failure point on UK cars — and around £186–£675 for a full system (cat-back) at a UK independent garage in 2026. The catalytic converter is a separate, much pricier part and isn't included in these figures. Stainless-steel systems cost more upfront but last three to four times longer than mild steel. Use our cost calculator to adjust for your region.
Why is my Ford Fiesta EcoBoost suddenly loud under acceleration?
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The prime suspect is the exhaust flexi — the braided flexible joint in the downpipe that absorbs engine movement. On the 1.0 EcoBoost it's a documented common failure: the braid splits, the joint blows, and the car sounds rortier the harder you accelerate. It's also a common MOT failure. The good news is that although the flexi comes attached to the catalytic converter from the factory, bolt-on stainless repair kits exist specifically for this car, so a garage can fix the flexi for a fraction of the price of a new cat assembly. Ask for the repair-kit option when you get quotes.
How do I know the exhaust is going on a Ford Fiesta?
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The classic signs: a deepening, louder engine note (blowing from a corroded section or failed joint), rattling over bumps (broken hangers or internal baffles), and a metallic tinkling on start-up. A sudden loud roar usually means a section has let go completely. At the MOT, a leaking exhaust is a failure and surface corrosion is a common advisory — an advisory on an exhaust section usually becomes a failure within a year, so it's worth pricing the work when the advisory appears rather than waiting.
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