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Audi A4 (B8) Tuning & Performance Parts

The B8 A4 is a solid base for upgrades, with plenty you can change while keeping it usable every day. At Awesome GTI, our Audi A4 B8 tuning range covers suspension work, exterior styling and other upgrades for Saloon, Avant and selected Allroad models.

There’s good support across the petrol and diesel engines too, so the best setup depends on which B8 you’ve got and what you want from it.

Audi A4 B8 Mods and Parts

Want the car sitting better or feeling tighter on the road? 034Motorsport adjustable sway bar end links can help refine the suspension setup, while RacingLine hub-centric wheel spacers bring the wheels further out towards the arches.

For B8/B8.5 Audi owners replacing worn suspension arms, the 034Motorsport Density Line Control Arm Kit with Adjustable Upper Arms is a worthwhile upgrade. It replaces all eight factory front control arms to improve steering precision and tighten up front-end feel. The adjustable upper arms also allow camber adjustment, helping you dial in the alignment on a lowered or track-driven car.

Our Audi A4 B8 parts range also includes EBC Bluestuff NDX pads and height-adjustable spring kits. They give you different ways to change how the car feels without having to overhaul the whole setup.

The styling side is well covered too. Our Audi A4 B8 exterior mods include front splitters and side skirt diffusers, with options for different trims and model years. If you’re unsure whether something suits a pre-facelift, facelift or S-Line car, check the product fitment or give the Awesome GTI team a shout.

For a bigger chassis change, our Audi A4 B8 tuning parts include coilovers and air ride. You can also look at anti-roll bar upgrades if you want to tighten up the way the car responds through corners.

If more power is on the list, you can book an Audi A4 B8 remap through Awesome GTI.

Find the Right Audi A4 B8 Parts

Awesome GTI has been working with VW, Audi, SEAT and Skoda cars since 1989, so the different engines and trim levels across the B8 range are familiar territory for us.

Our team can help check fitment before you order. Parts can be collected from our Manchester showroom or delivered across the UK, and our garage services team can fit upgrades or carry out remapping at the Awesome GTI workshop. Contact the Awesome GTI team if you want to talk through your B8, or browse the full range below.

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  • H&R 40mm Spring Kit - A4 Avant (B8) 2WD+4WD, up to 1.100kg Front Axle-weight
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    H&R 40mm Spring Kit - A4 Avant (B8) 2WD+4WD, up to 1.100kg Front Axle-weight

    H&R 40 mm Spring Kit A4 Avant/SW 04/08>Typ B8 (8K), 2WD+4WD, bis/up to 1.100kg VA-Last/FA-weightEnhance the look of your vehicle with H&R Lowering Springs. H&R Sport Springs provide a lower center of...

    £325.93
    Was £383.45
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  • H&R 40mm Spring Kit - A4 Avant  (B8) 2WD+4WD, from 1.101kg Front Axle-weight
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    H&R 40mm Spring Kit - A4 Avant (B8) 2WD+4WD, from 1.101kg Front Axle-weight

    H&R 40 mm Spring Kit A4 Avant/SW 04/08>Typ B8 (8K), 2WD+4WD, ab/from 1.101kg VA-Last/FA-weightEnhance the look of your vehicle with H&R Lowering Springs. H&R Sport Springs provide a lower center of...

    £325.93
    Was £383.45
    Add to Cart The item has been added
  • H&R 35mm Spring Kit - A4 Allroad (B8) 3.0TDI
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    H&R 35mm Spring Kit - A4 Allroad (B8) 3.0TDI

    H&R 35 mm Spring Kit A4 Allroad 09>Typ B8, 4WD, 3.0 L TDIEnhance the look of your vehicle with H&R Lowering Springs. H&R Sport Springs provide a lower center of gravity and reduce body roll for...

    £326.84
    Was £384.52
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  • H&R Anti Roll Bar Kit - FR:30/RE:24mm - A4 + S4 + A5 + S5 B8 (8K) 2WD + 4WD
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    H&R Anti Roll Bar Kit - FR:30/RE:24mm - A4 + S4 + A5 + S5 B8 (8K) 2WD + 4WD

    H&R Anti Roll Bar Kit-FR:30/RE:24mm - A4 + S4 + A5 + S5 Lim./Sedan+Avant/SW -Typ B8 (8K) 2WD + 4WD A5+S5: ab Fahrgestellnr. (letzte 5 Ziffern): ...11201-06/07>Designed to reduce body roll, increase...

    £543.18
    Was £571.76
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  • ECS Magnetic Manual Gearbox Plug M22 ECS Magnetic Manual Gearbox Plug M22
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    ECS Magnetic Manual Gearbox Plug M22

    ECS Magnetic Manual Gearbox Plug Replace your 12-Point triple square with a standard 17mm head magnetic drain plug.Magnetic Transmission Drain Plugs from ECS Tuning for your V/W & Audi. ECS MAGNETIC...

    £44.58
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    Newsouth M14 - 1/8th Inch NPT PlugPort (CON022)
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    Newsouth M14 - 1/8th Inch NPT PlugPort (CON022)

    (1)

    Newsouth M14-1/8" PlugPortUsed for attaching a 1/8" NPT oil temperature sender in the oil pan. Made from steel like the original VW/Audi drain plug, it also comes with a genuine VAG aluminum crush...

    (1)

    Was £10.78
    £8.62
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  • Genuine Audi R8 Coolant Cap
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    Genuine Audi R8 Coolant Cap

    (1)

    Genuine Audi R8 coolant cap.Fits all VAG models from 1999 onwards. NOTES:The R8 Coolant cap fits but it is 90í«_ rotated from where it should really sit... ie the logo is upside down or sideways.On...

    (1)

    £152.40
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  • Genuine Audi R8 Oil Cap
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    Genuine Audi R8 Oil Cap

    (4)

    Genuine Audi R8 oil capPlease note, these oil caps are designed for the V8 Motors so may not fit 'straight' on other engines. 

    (4)

    £61.20
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  • sale
    Newsouth Performance 'VW Indigo' Boost Gauge - GAU00* Newsouth Performance 'VW Indigo' Boost Gauge (PSI) - GAU001

    Newsouth Indigo Boost Gauge

    (2)

    Newsouth Indigo PSI/Bar Boost Gauge 52 mm Diameter Come with basic fitting kit (excluding any pod) Using the identical LEDs that light the Mk4/Mk5/B6/B7 Volkswagen instrument panel, the Indigo...

    (2)

    £64.69 - £73.31
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    Newsouth Indigo 100 PSI Oil Pressure Gauge (GAU020) Newsouth Indigo 100 PSI Oil Pressure Gauge (GAU020)
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    Newsouth Indigo 100 PSI Oil Pressure Gauge (GAU020)

    Newsouth Indigo 100 PSI Oil Pressure GaugeUsing the identical LEDs that light the Mk4/Mk5/B6/B7 Volkswagen instrument panel, the Indigo gauges are a new, cost-effective option for VW enthusiasts.With...

    Was £123.98
    £99.18
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  • sale
    Newsouth Indigo EGT Pyrometer Gauge (GAU019)

    Newsouth Indigo EGT Pyrometer Gauge (GAU019)

    (1)

    Newsouth Indigo Pyrometer (EGT) GaugeUsing the identical LEDs that light the Mk4/Mk5/B6/B7 Volkswagen instrument panel, the Indigo gauges are a new, cost-effective option for VW enthusiasts.With...

    (1)

    Was £177.89
    £148.24
  • sale
    Newsouth 2.0T FSI BanjoPort (CON017)
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    Newsouth 2.0T FSI BanjoPort (CON017)

    (1)

    Newsouth 2.0T FSI BanjoPortThe BanjoPort allows you to easily add an oil pressure gauge to your VW or Audi 2.0 FSI engine. The BanjoPort kit is purpose built to replace the lower oil feed line banjo...

    (1)

    Was £32.34
    £25.87
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    Newsouth NoBuzz Restrictor T-Fitting (CON003)
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    Newsouth NoBuzz Restrictor T-Fitting (CON003)

    The NoBuzz fittings eliminate the vibration and noise of boost gauges when installed on automobiles with turbocharged engines.Mechanical boost gauges use a feed line from the turbocharger to directly...

    Was £7.55
    £6.04
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  • K&N Recharger Kit
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    K&N Recharger Kit

    (1)

    If you have a cotton-gauze K&N panel filter or cone filter (as found in the NEUSPEED P-Flo kits) this cleaning kit allows you to clean and re-oil your filter to restore its performance. Includes a 6...

    (1)

    £17.84
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Frequently asked questions

How much power can you get from a Stage 2 Audi A4 B8?

There isn't one Stage 2 figure that covers every B8 because the range includes several petrol and diesel engines. The hardware fitted and the condition of the engine both affect the result. If you're planning more involved Audi A4 B8 tuning, start with your exact engine and build the setup around that.

Can an Audi A4 B8 be tuned?

Yes. ECU remapping is available for compatible petrol and diesel engines, with plenty of chassis upgrades available alongside it. Awesome GTI can help you work out which route suits your engine and how you use the car.

Which Audi A4 B8 engine is the most reliable?

There isn't one engine we'd automatically call the most reliable across the whole B8 range. Service history and the condition of the car matter more now these models are getting older. If you're buying one to modify, starting with a well-maintained example will make life much easier.

Is an Audi A4 B8 remap worth it?

For compatible engines, an Audi A4 B8 remap can give you more from the standard setup without requiring major hardware changes straight away. Awesome GTI lists APR Stage 1 software for compatible 2.0 TSI B8 models, with quoted output increasing from 200 or 210 bhp to 255 bhp. Check your exact engine before booking so you know which software applies to your car.