Experience the perfect blend of sound, performance, and style with the MAD Catback Exhaust System
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BMW G02 X4 M40i B58 3.0L Performance Parts & Upgrades
- Braking
- Engine / Drivetrain
- Essentials
- Exhaust
- Exterior
- Interior
- Lighting
- Racing Safety Accessories
- Software / Tuning
- Suspension
- Wheels
Individualize your BMW's looks with this lip spoiler
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For vehicles with M Sport front bumper
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Flows 35% more fuel than your factory injectors - supports up to 780whp
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For models with the earlier B58 Gen1 (B58A) engine only
Flows 66% more fuel than your factory injectors - supports up to 880whp
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For models with the earlier B58 Gen1 (B58A) engine only
Upgrade to CP-Carrillo Pistons in Your B58-Powered BMW!
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Upgrade Your B58's Pistons to CP-Carrillo's Forged Piston Set!
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This product was last offered at the strikethrough price on
06-29-2026
Increase power without sacrificing reliability
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This product was last offered at the strikethrough price on
06-29-2026
21x9" ET25/21x10" ET38 5x112 66.6CB - Anthracite
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20x9" ET25/20x10" ET38 5x112 66.6CB - Brushed Clear
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20x9" ET25/20x10" ET38 5x112 66.6CB - Satin Black
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20x9 ET25 5x112 66.6CB - Satin Black
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20x9 ET25 5x112 66.6CB - Brushed Clear
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Height Adjustable 1.2" to 2.2" (front) 1.0" to 2.0" (rear)
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For vehicles with EDC
For vehicles with EDC
Replace those Worn Out Rod Bearings!
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+0.25mm
Replace those Worn Out Rod Bearings!
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+0.75mm