SLE 3.5-Inch Single Midpipe with Brace – BMW G80 M3 / G82 G83 M4 (S58)
The SLE 3.5-Inch Single Midpipe with Brace is engineered to dramatically improve exhaust flow, reduce backpressure, and enhance the sound quality of S58-powered BMW G8X models. Designed to replace the restrictive dual midpipe system, the SLE Single Midpipe merges the exhaust gases into a larger, freer-flowing 3.5-inch pipe, resulting in improved throttle response, faster turbo spool, and a deeper, more refined exhaust tone.
Constructed from high-grade T304 stainless steel and featuring a precision-fit underbody brace, the SLE Single Midpipe is a direct bolt-on upgrade that maintains chassis rigidity while delivering noticeable performance and sound improvements.
Product Features
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Full 3.5-inch single midpipe design for optimized exhaust flow
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Integrated underbody brace to maintain chassis stiffness
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Smooth mandrel bends to reduce turbulence and maximize velocity
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T304 stainless steel construction with TIG-welded joints
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Direct bolt-on installation with OEM connection points
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Compatible with factory and most aftermarket exhaust systems
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Significant improvement in exhaust tone, turbo spool, and throttle response
Vehicle Compatibility (S58 Engine Models Only)
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G80 BMW M3 Sedan (2021–Present)
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G82 BMW M4 Coupe (2021–Present)
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G83 BMW M4 Convertible (2021–Present)
Note: No tuning is required for installation. An ECU tune can further optimize performance and sound.













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