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Rear Diffuser Alfa Romeo Giulia

Rear Diffuser Alfa Romeo Giulia 2016-2018 Sport Style

Ships within 48 h · delivery in 8 to 25 business days · 30-day returns

Becquet Voiture price −20%
451,90 € 570,90 €
You save 119,00 €

Price in cart: 406,71 €
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Kit Contents
Ships within 48 hours with tracking and insurance. Estimated delivery in 8 to 25 business days (France and EU).
Free shipping on orders over 99 €, otherwise 9,95 €.
30 daysto change your mind
Secure payment3D Secure, PayPal
Legal warranty2-year conformity guarantee
Expert advicereply within 24 business hours
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DescriptionEverything about this product

Alfa Romeo Giulia 2016-2018 rear diffuser: the sporty finish the standard sedan lacks

This rear diffuser transforms the plain bumper of the Alfa Romeo Giulia sedan in the Standard version, model years 2016 to 2018, into a ribbed sport-style assembly. It adopts the design of the higher trims: vertical fins, exhaust outlet surrounds, and chrome tips. Six configurations are available, from the diffuser only to the complete kit, so you only buy what your car needs.

Why a rear diffuser on a Giulia

  • Six configurations to choose from: diffuser only, tips only, strips only, or combinations of two and the complete kit.
  • Molded vertical fins: they give the bumper the depth that is missing from the entry-level versions.
  • Chrome stainless steel tips: two round outlets that clamp onto the existing exhaust line.
  • Red reflective strips: two decorative inserts that dress the ends of the bumper.
  • Flexible polypropylene: PP absorbs a parking bump without cracking cleanly like rigid fiber.
  • Matte black ready to install: no paint required, the color is built-in.

How to choose your configuration

If your bumper is bare, take the complete kit: you get the diffuser, the tips, and the strips all at once. If you already have an exhaust line with nice outlets, choose diffuser and strips without tips. If your original reflectors suit you, take diffuser and tips without strips. And if you are replacing a damaged part, the diffuser only, tips only, and strips only versions prevent you from having to buy the whole set again. This flexibility is rare for this type of part.

Technical specifications

Diffuser material: injected polypropylene PP, matte black finish. Tips: chrome stainless steel, two round outlets on a bracket. Strips: red reflective inserts, decorative. Stated compatibility: Alfa Romeo Giulia sedan Standard version 2016-2018, to be checked according to model and trim before installation. The Veloce and Quadrifoglio versions have a different bumper. Mounting: screws and double-sided adhesive depending on the parts. Condition: 100% new.

Installation, safety, and regulations

Allow 1 to 2 hours. The diffuser sits under the rear bumper, is located using masking tape, and is then fixed with screws in the low points and with adhesive on the flat areas. The tips slide over the exhaust outlets and are tightened with side screws: let the exhaust cool before working. Two important points. First, the red strips provided are decorative: they are not approved reflectors, and no approval marking appears on the manufacturer's visuals. The vehicle's original reflectors must remain in place and remain visible: they are mandatory and inspected. Next, a diffuser sits lower than the bumper: approach parking ramps at an angle.

Frequently asked questions

Is it made of carbon fiber?
No. The diffuser is made of matte black polypropylene. The original visuals feature a watermark mentioning carbon, but the material stated for this reference is indeed PP.

Do the red strips replace the reflectors?
No, under no circumstances. They are decorative inserts without approval. Keep and leave the car's original reflectors visible.

Will the tips fit my exhaust line?
They clamp onto round outlets of a standard diameter. Measure the outside diameter of your pipes before ordering a version with tips.

Is it compatible with a Giulia Veloce?
No. This reference is aimed at the 2016-2018 Standard version. The Veloce and Quadrifoglio bumpers have a different design.

Does the part need to be painted?
No, it is delivered in matte black ready to install. It can, however, be painted after plastic primer if you prefer a glossy black.

Does the bumper need to be drilled?
A few screws are generally necessary in the lower part, which is invisible once the part is in place. The rest is held by adhesive.

Choose exactly the configuration your bumper needs, keep your original reflectors visible, and the Giulia finally takes on the look of the higher trims.

Type: Rear bumper diffuser
Compatibility: Alfa Romeo Giulia sedan Standard 2016-2018, depending on the model
Configurations: 6 to choose from, from the diffuser only to the complete kit
Material: Injected polypropylene PP
Finish: Matte black ready to install
Tips: Chrome stainless steel, 2 round outlets
Red strips: Decorative, not approved
Installation: 1 to 2 hours, screws and adhesive
Condition: 100% new

Vehicle compatibilityAlfa Romeo Giulia
Alfa Romeo Giulia Part made for this vehicle.
  • Alfa Romeo Giulia2016-2018sedan

Check before ordering

  • Measure the outer diameter of your pipes before ordering a version with tips
  • Number and position of the exhaust outlets, and rear bumper finish (standard or sport)
Not sure? Send us your VIN and the link to this product: we check compatibility for free and reply within 24 business hours. Ask an advisor
Installation1 h to 2 h · Drilling required, screw fixing
DifficultyPro recommended
Time1 h to 2 h
FixingDrilling required, screw fixing
Professional fitting recommended. This part involves safety, wiring or bodywork: a garage or body shop will fit it quickly and safely.

Useful tools

  • Torx screwdriver
  • Socket wrench
  • Plastic trim removal kit
  • Jack and jack stands
  • Drill
  • Metal drill bits

Fitting steps

  1. Dry-fit the diffuser

    Place the diffuser under the rear bumper of your Alfa Romeo Giulia (2016-2018) and check the alignment with the exhaust outlets.

  2. Remove the original part

    Remove the screws and clips under the bumper, then unclip the original skirt or diffuser.

  3. Mark and drill

    Hold the diffuser in place, mark the holes, then drill first with a small bit before the final diameter.

  4. Protect and fix

    Deburr, apply an anti-rust product to the edges of the holes, then fix the diffuser with the hardware and seals.

  5. Check the result

    Check the alignment with the exhaust outlets and the clearance from the ground.

  • Check what is behind the panel before drilling (wiring, reinforcements).
  • Put the vehicle on jack stands or a lift: never work under a car held up only by the jack.
  • Let the exhaust cool down before working near it.
Need help while fitting? Write to us with a photo: an advisor will reply within 24 business hours. Ask for help
Shipping and returnsShips within 48 hours · 30 days to change your mind
Order prepared and shipped within 1 to 2 business days, with a tracking link.
  • Delivery in 8 to 25 business days to France and Europe, 15 to 30 days to French overseas territories and the rest of the world. Shipping info.
  • Tracked and insured shipping (loss, damage, theft): 9,95 €, free on orders over 99 €.
  • 30 days after delivery to change your mind: item not fitted, in its original packaging.
  • Tracking link sent by email as soon as your order ships. Shipping policy · Return policy

Alfa Romeo Giulia 2016-2018 rear diffuser: the sporty finish the standard sedan lacks

This rear diffuser transforms the plain bumper of the Alfa Romeo Giulia sedan in the Standard version, model years 2016 to 2018, into a ribbed sport-style assembly. It adopts the design of the higher trims: vertical fins, exhaust outlet surrounds, and chrome tips. Six configurations are available, from the diffuser only to the complete kit, so you only buy what your car needs.

Why a rear diffuser on a Giulia

  • Six configurations to choose from: diffuser only, tips only, strips only, or combinations of two and the complete kit.
  • Molded vertical fins: they give the bumper the depth that is missing from the entry-level versions.
  • Chrome stainless steel tips: two round outlets that clamp onto the existing exhaust line.
  • Red reflective strips: two decorative inserts that dress the ends of the bumper.
  • Flexible polypropylene: PP absorbs a parking bump without cracking cleanly like rigid fiber.
  • Matte black ready to install: no paint required, the color is built-in.

How to choose your configuration

If your bumper is bare, take the complete kit: you get the diffuser, the tips, and the strips all at once. If you already have an exhaust line with nice outlets, choose diffuser and strips without tips. If your original reflectors suit you, take diffuser and tips without strips. And if you are replacing a damaged part, the diffuser only, tips only, and strips only versions prevent you from having to buy the whole set again. This flexibility is rare for this type of part.

Technical specifications

Diffuser material: injected polypropylene PP, matte black finish. Tips: chrome stainless steel, two round outlets on a bracket. Strips: red reflective inserts, decorative. Stated compatibility: Alfa Romeo Giulia sedan Standard version 2016-2018, to be checked according to model and trim before installation. The Veloce and Quadrifoglio versions have a different bumper. Mounting: screws and double-sided adhesive depending on the parts. Condition: 100% new.

Installation, safety, and regulations

Allow 1 to 2 hours. The diffuser sits under the rear bumper, is located using masking tape, and is then fixed with screws in the low points and with adhesive on the flat areas. The tips slide over the exhaust outlets and are tightened with side screws: let the exhaust cool before working. Two important points. First, the red strips provided are decorative: they are not approved reflectors, and no approval marking appears on the manufacturer's visuals. The vehicle's original reflectors must remain in place and remain visible: they are mandatory and inspected. Next, a diffuser sits lower than the bumper: approach parking ramps at an angle.

Frequently asked questions

Is it made of carbon fiber?
No. The diffuser is made of matte black polypropylene. The original visuals feature a watermark mentioning carbon, but the material stated for this reference is indeed PP.

Do the red strips replace the reflectors?
No, under no circumstances. They are decorative inserts without approval. Keep and leave the car's original reflectors visible.

Will the tips fit my exhaust line?
They clamp onto round outlets of a standard diameter. Measure the outside diameter of your pipes before ordering a version with tips.

Is it compatible with a Giulia Veloce?
No. This reference is aimed at the 2016-2018 Standard version. The Veloce and Quadrifoglio bumpers have a different design.

Does the part need to be painted?
No, it is delivered in matte black ready to install. It can, however, be painted after plastic primer if you prefer a glossy black.

Does the bumper need to be drilled?
A few screws are generally necessary in the lower part, which is invisible once the part is in place. The rest is held by adhesive.

Choose exactly the configuration your bumper needs, keep your original reflectors visible, and the Giulia finally takes on the look of the higher trims.

Type: Rear bumper diffuser
Compatibility: Alfa Romeo Giulia sedan Standard 2016-2018, depending on the model
Configurations: 6 to choose from, from the diffuser only to the complete kit
Material: Injected polypropylene PP
Finish: Matte black ready to install
Tips: Chrome stainless steel, 2 round outlets
Red strips: Decorative, not approved
Installation: 1 to 2 hours, screws and adhesive
Condition: 100% new

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  • 30 daysto change your mind
  • Legal warranty2-year conformity guarantee
  • Expert advicereply within 24 business hours
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