Toyota GR Supra Performance Parts - A90/A91 Upgrades

Maximize your GR Supra's performance with our complete selection of A90/A91 upgrades. From turbo upgrades to exhaust systems, suspension, and styling - we have everything you need to build your dream Supra.

Popular GR Supra Modifications

1. Turbo Upgrades (B58 Engine)

The B58 3.0L inline-6 responds incredibly well to modifications!

**Stock Power:** - 2020-2021 Supra 3.0: 335 HP / 365 lb-ft - 2021+ Supra 3.0: 382 HP / 368 lb-ft - 2022+ Supra 2.0: 255 HP / 295 lb-ft **Turbo Upgrade Options:**

Pure Turbos Upgrade (3.0L):

• Pure Stage 1: 450-500 HP, bolt-on
• Pure Stage 2: 550-600 HP, upgraded fueling
• Pure Stage 2+: 650-700 HP, built engine recommended
• Cost: $3,500-$6,000
• Spool: Similar to stock, minimal lag

Garrett G-Series Upgrade:

• G25-550: 500-550 HP
• G30-660: 600-700 HP
• G30-770: 700-800 HP
• Cost: $2,500-$4,500 (turbo only)

Tomioka Racing IHX Series:

• IHX475: 475-550 HP, excellent street turbo
• IHX600: 600-700 HP, street/track
• Cost: $3,500-$5,500
• Benefit: Bolt-on, proven reliability

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2. Downpipe Upgrades

The #1 Mod for GR Supra!

**Why Downpipe First?** - Easiest install - Best HP per dollar - Unlocks turbo potential - Amazing sound improvement **Power Gains:** - Downpipe only: +20-30 HP, +30-40 lb-ft - Downpipe + tune: +40-60 HP, +50-70 lb-ft - Downpipe + intake + tune: +60-80 HP, +70-90 lb-ft **Popular Downpipes:**

Catless Downpipe:

• Power: Maximum gains (+30-40 HP)
• Sound: Loud, aggressive
• Legal: Off-road/track only
• Cost: $400-$800
• Brands: ARM Motorsports, VRSF, Burger Motorsports

High-Flow Catted Downpipe:

• Power: Excellent gains (+25-35 HP)
• Sound: Moderate, refined
• Legal: Emissions-friendly (check local laws)
• Cost: $800-$1,200
• Brands: ARM Motorsports, Milltek, Akrapovic

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3. Exhaust Systems

Cat-Back Exhaust Options:

**Valvetronic Exhaust:**

• Feature: Electronic valve control (quiet/loud modes)
• Sound: Adjustable via remote or app
• Cost: $1,500-$3,000
• Brands: Valvetronic Designs, Armytrix, Fi Exhaust
• Best For: Daily drivers who want options

**Traditional Cat-Back:**

• Sound: Fixed volume (choose wisely!)
• Cost: $1,000-$2,500
• Brands: Borla, Milltek, AWE Tuning, Invidia
• Power Gain: 5-15 HP (more with downpipe)

**Complete Exhaust System:**

• Includes: Downpipe + mid-pipe + cat-back
• Power Gain: 30-50 HP (with tune)
• Cost: $2,500-$5,000
• Sound: Maximum volume and tone

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4. Intake Systems

Cold Air Intake Upgrades:

**Closed Airbox Intake:**

• Type: Sealed airbox, cold air feed
• Power: +5-10 HP, +10-15 lb-ft
• Sound: Moderate turbo sounds
• Cost: $400-$700
• Brands: Eventuri, Armaspeed, GruppeM
• Best For: Maximum performance

**Open Element Intake:**

• Type: Exposed filter, engine bay air
• Power: +3-8 HP
• Sound: LOUD turbo sounds (whoosh!)
• Cost: $300-$500
• Brands: AEM, K&N, Injen
• Best For: Sound enthusiasts

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5. ECU Tuning

Unlock Your Supra's True Potential!

**Tuning Options:**

Bootmod3 (BM3):

• Type: Flash tuning via smartphone app
• Cost: $500-$700
• Power Gains (Stage 1): +60-80 HP, +80-100 lb-ft
• Power Gains (Stage 2): +100-120 HP, +120-150 lb-ft
• Features: Multiple maps, data logging, easy to use
• Best For: DIY tuners, bolt-on builds

MHD Tuning:

• Type: Flash tuning via smartphone/laptop
• Cost: $600-$800
• Power Gains: Similar to BM3
• Features: Custom maps, data logging
• Best For: Enthusiasts, custom tuning

Custom Dyno Tune:

• Type: In-person dyno tuning
• Cost: $800-$1,500
• Power Gains: Maximum (custom calibration)
• Best For: Serious builds, maximum power

**Tuning Stages:**

Stage 1 (Tune Only):

• Mods: ECU tune only
• Power: 400-420 HP (3.0L), 300-320 HP (2.0L)
• Cost: $500-$700

Stage 2 (Bolt-Ons):

• Mods: Tune + downpipe + intake
• Power: 450-500 HP (3.0L), 350-380 HP (2.0L)
• Cost: $2,000-$3,000

Stage 3 (Turbo Upgrade):

• Mods: Tune + downpipe + intake + turbo upgrade + fuel system
• Power: 550-700+ HP (3.0L)
• Cost: $6,000-$10,000

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6. Suspension Upgrades

Coilovers:

**Street/Track Coilovers:**

• BC Racing BR Series: $1,200-$1,600 (best value)
• KW V3: $2,500-$3,200 (premium quality)
• Ohlins Road & Track: $3,000-$4,000 (ultimate performance)
• HKS Hipermax: $2,000-$2,800 (JDM quality)

**Lowering Springs:**

• Eibach Pro-Kit: $300-$400 (1-1.5" drop)
• H&R Sport Springs: $350-$450 (1.2-1.6" drop)
• Best For: Budget-friendly lowering

**Sway Bars:**

• Whiteline: $400-$600 (adjustable)
• Benefit: Reduced body roll, better cornering

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7. Brake Upgrades

Big Brake Kits:

**Front Big Brake Kit:**

• Brembo GT: $3,500-$5,000 (6-piston, 380mm)
• AP Racing: $4,000-$6,000 (race-proven)
• Stoptech Trophy: $3,000-$4,500 (excellent value)

**Performance Brake Pads:**

• Hawk HPS 5.0: $150-$250 (street)
• Hawk DTC-60: $300-$400 (track)
• Ferodo DS2500: $200-$300 (street/track)

**Stainless Steel Brake Lines:**

• Cost: $100-$200
• Benefit: Better pedal feel, no expansion

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8. Wheels & Tires

Popular Wheel Sizes:

**Stock Sizes:** - Front: 19x9 (255/35/19) - Rear: 19x10 (275/35/19) **Upgraded Sizes:** - Front: 19x9.5 or 19x10 - Rear: 19x11 or 19x12 - Staggered setup for RWD performance **Popular Wheel Brands:**

• Volk Racing: TE37, CE28N (lightweight, JDM)
• BBS: LM, CH-R (classic, premium)
• Enkei: RPF1, NT03 (affordable, lightweight)
• Advan Racing: RG-D2, GT (race-proven)

**Performance Tires:**

• Michelin Pilot Sport 4S: Best all-around street tire
• Continental ExtremeContact Sport: Excellent value
• Bridgestone Potenza S007: OEM+ performance
• Yokohama Advan Neova AD09: Track-focused

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9. Styling Upgrades

Exterior Styling:

**Carbon Fiber Parts:**

• Front Lip/Splitter: $400-$1,200
• Side Skirts: $600-$1,500
• Rear Diffuser: $500-$1,500
• Rear Wing/Spoiler: $800-$2,500
• Hood: $1,500-$3,000
• Mirror Caps: $200-$400

**Body Kits:**

• TRD Body Kit: $3,000-$5,000 (OEM quality)
• Varis Body Kit: $5,000-$8,000 (race-inspired)
• Rocket Bunny/Pandem: $4,000-$7,000 (widebody)

**Lighting:**

• LED Headlights: Upgrade to premium LED (if not equipped)
• Tail Light Tint: $50-$150 (smoked look)
• Sequential Turn Signals: $200-$400

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GR Supra by Model Year

2020-2021 GR Supra 3.0 (A90)

• Engine: B58 3.0L inline-6 turbo
• Power: 335 HP / 365 lb-ft (2020), 382 HP / 368 lb-ft (2021)
• Transmission: 8-speed automatic (ZF8)
• 0-60: 3.9 seconds
• Popular Mods: Downpipe, tune, intake, coilovers

2022-2024 GR Supra 3.0 (A91)

• Engine: B58 3.0L inline-6 turbo
• Power: 382 HP / 368 lb-ft
• Updates: Revised suspension, improved handling
• Special Editions: A91-CF, A91-MT (manual!)

2022-2024 GR Supra 2.0 (4-Cylinder)

• Engine: B48 2.0L inline-4 turbo
• Power: 255 HP / 295 lb-ft
• Weight: 200 lbs lighter than 3.0
• 0-60: 4.9 seconds
• Popular Mods: Downpipe, tune, intake (350+ HP possible!)

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Bolt-On Build Guide

Stage 1 (Tune Only) - $500-$700

• Bootmod3 or MHD tune
• Power: 400-420 HP (3.0L)
• Gains: +60-80 HP, +80-100 lb-ft
• Best bang-for-buck mod!

Stage 2 (Bolt-Ons) - $2,000-$3,500

• ECU tune: $500-$700
• Downpipe: $600-$1,200
• Cold air intake: $400-$700
• Intercooler (optional): $800-$1,500
• Power: 450-500 HP (3.0L)
• Gains: +100-150 HP, +120-180 lb-ft

Stage 3 (Turbo Upgrade) - $7,000-$12,000

• All Stage 2 mods
• Turbo upgrade: $3,500-$6,000
• Fuel system: $1,000-$2,000
• Upgraded intercooler: $1,000-$1,500
• Custom tune: $800-$1,500
• Power: 550-700+ HP (3.0L)
• Gains: +200-350 HP

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Common GR Supra Issues & Solutions

Fuel Pump Failure (Early 2020 Models)

Issue: Fuel pump can fail, causing stalling

Solution: Toyota recall, free replacement

Check: VIN lookup for recall status

Transmission Shudder

Issue: ZF8 transmission shudder at low speeds

Solution: Software update from dealer

Prevention: Regular transmission fluid changes

Paint Quality (Launch Edition)

Issue: Some early cars had paint defects

Solution: Warranty claim, paint correction

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GR Supra Community

Join the Community:

• SupraMKV.com forums
• r/Supra on Reddit
• Supra Owners Club
• Local Supra meets and events
• Track days and autocross

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Why Choose GR Supra?

Pros:

• ✅ Legendary Supra nameplate
• ✅ BMW B58 engine (proven, reliable)
• ✅ Incredible tuning potential (700+ HP capable)
• ✅ Perfect 50/50 weight distribution
• ✅ Excellent handling out of the box
• ✅ Modern technology and safety
• ✅ Manual transmission available (2023+)

Cons:

• ❌ No manual transmission (2020-2022)
• ❌ BMW parts/maintenance costs
• ❌ Limited rear visibility
• ❌ Small trunk space
• ❌ Expensive compared to competitors

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GR Supra vs. Competitors

GR Supra vs. Nissan Z (2023+)

• Supra: Better handling, more tuning potential, BMW quality
• Z: Manual transmission standard, more affordable, classic styling

GR Supra vs. Corvette C8

• Supra: Better daily drivability, easier to mod, lower cost
• Corvette: More power stock, mid-engine, American muscle

GR Supra vs. Porsche Cayman

• Supra: More power potential, better value, easier to mod
• Cayman: Better handling, Porsche prestige, mid-engine

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Frequently Asked Questions

Q: Is the GR Supra a "real" Supra?
A: Yes! While it shares a platform with BMW Z4, it's a true Supra with Toyota engineering and tuning. The B58 engine is legendary.

Q: How much HP can the B58 handle?
A: Stock internals: 550-600 HP safely. Built engine: 800-1,000+ HP.

Q: Should I get the 2.0 or 3.0?
A: 3.0 for maximum power potential. 2.0 for lighter weight and lower cost (still 350+ HP capable!).

Q: Is the automatic transmission good?
A: Yes! ZF8 is one of the best automatics ever made. Fast shifts, reliable, handles power well.

Q: Can I get a manual transmission?
A: Yes! 2023+ models offer 6-speed manual (3.0L only).

Q: What's the best first mod?
A: Downpipe + tune. Best HP per dollar, huge gains, transforms the car.

Q: Are GR Supras reliable?
A: Yes! B58 engine is proven reliable in BMW applications. Maintain it properly and it'll last.

Q: How much does it cost to make 500 HP?
A: $2,500-$4,000 (downpipe, intake, intercooler, tune). Very affordable!

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Ready to Build Your Supra?

Browse our complete selection of GR Supra performance parts below and unlock your A90/A91's true potential!

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