KYOSTAR 89mm Valved Catback Exhaust System w/ Bracket for 2021+ BMW G80 M3 G82 G83 M4 2022+ G81 M3 S58 3.0T
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$1,549.00
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KYOSTAR 89mm Valved Catback Exhaust System w/ Bracket for 2021+ BMW G80 M3 G82 G83 M4 2022+ G81 M3 S58 3.0T
$1,549.00
Sale price
$1,549.00
Regular price
KYOSTAR 89mm Valved Catback Exhaust System w/ Bracket for BMW S58 3.0T
The KYOSTAR 89mm Valved Catback Exhaust System is engineered specifically for BMW S58-powered M models, featuring oversized 89mm mandrel-bent tubing to maximize exhaust flow and reduce backpressure. The integrated electronic valve system allows you to switch effortlessly between a refined daily driving sound and an aggressive performance exhaust note whenever desired.
Constructed from premium T304 stainless steel with precision TIG welding, this catback exhaust system is designed for exceptional durability, corrosion resistance, and long-term performance. The included mounting brackets ensure secure installation while the optimized exhaust routing improves scavenging efficiency, throttle response, and overall exhaust performance without compromising factory fitment.
Fitment
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2021+ BMW G80 M3
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2021+ BMW G80 M3 Competition
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2021+ BMW G80 M3 Competition xDrive
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2022+ BMW G81 M3 Touring Competition xDrive
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2021+ BMW G82 M4 Coupe
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2021+ BMW G82 M4 Competition
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2021+ BMW G82 M4 Competition xDrive
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2021+ BMW G83 M4 Convertible
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2021+ BMW G83 M4 Competition xDrive
Note
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Compatible with BMW S58 3.0L Twin-Turbo Inline-6 engines only.
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Not compatible with S55, B58, N55, or other BMW engine platforms.
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Please verify your vehicle year, chassis code, exhaust configuration, and electronic valve connections before ordering.
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Designed for vehicles utilizing the factory electronic exhaust valve system.
Fitment Note
Fitment may vary depending on production date, regional emissions specifications, and previous exhaust modifications. Please compare your factory exhaust layout, mounting brackets, and valve connectors before installation to ensure proper compatibility.
Professional installation is recommended. Proper alignment of the exhaust system, brackets, and valve actuators is essential to achieve leak-free installation and optimal exhaust performance.
Product Details
| Item | Details |
|---|---|
| Brand | KYOSTAR |
| Product Type | Valved Catback Exhaust System |
| Vehicle Fitment | 2021+ BMW G80 M3 / 2022+ G81 M3 Touring / 2021+ G82 G83 M4 |
| Engine | S58 3.0L Twin-Turbo Inline-6 |
| Chassis | G80 / G81 / G82 / G83 |
| Pipe Diameter | 89mm |
| Material | T304 Stainless Steel |
| Finish | Brushed Stainless Steel |
| Exhaust Type | Valved Catback Exhaust System |
| Valve Type | Electronic Valve Control |
| Configuration | 4-Tip with Mounting Brackets |
| Pipe Design | Mandrel Bent Tubing |
| Benefits | Higher Exhaust Flow, Reduced Backpressure, Improved Exhaust Pulse Scavenging, Faster Throttle Response, Adjustable Exhaust Tone |
| Application | Street & Track Performance |
| Package Includes | 1 × 89mm Valved Catback Exhaust System, Mounting Brackets, Electronic Valves, Clamps & Hardware (As Shown) |
| Condition | Brand New |