{"product_id":"bmw-g80-m3-g82-g83-m4-valved-stainless-steel-catback-exhaust-system-loud-straight-pipe-sound-crackles-pops-oem-performance-upgrade-clearance-unit-ready-to-ship-missing-2-of-4-exhaust-tips-2021","title":"BMW G80 M3 \u0026 G82\/G83 M4 Valved Stainless Steel Catback Exhaust System – Loud Straight-Pipe Sound, Crackles \u0026 Pops, OEM+ Performance Upgrade (Clearance Unit, Ready to Ship, Missing 2 of 4 Exhaust Tips) (2021+)","description":"\u003cp class=\"p1\"\u003e\u003cstrong\u003eTransform your BMW G80 M3, G81 M3 Touring, G82 M4 Coupe, or G83 M4 Convertible with our Valved Stainless Steel Catback Exhaust System, crafted for enthusiasts who crave the perfect balance between everyday drivability and track-ready performance.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eFeaturing remote-controlled valves, you can choose between a refined, comfortable cruise or unleash a raw, ferocious exhaust note with the press of a button. Designed for both OEM+ refinement and true motorsport character, this system delivers a deep, throaty growl that perfectly complements the G8X platform’s S58 engine.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003eEngineered for the S58 Powerhouse\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe S58 twin-turbo inline-six is one of BMW M’s most celebrated engines, blending immense power, rapid throttle response, and race-proven performance.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eIts advanced twin-turbo design produces incredible torque throughout the rev range. To make the most of it, a free-flowing catback exhaust allows exhaust gases to escape more efficiently, reduces restriction, and produces a sound worthy of an M badge.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003eSound \u0026amp; Performance Benefits\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eExperience the full potential of your BMW G8X through precision-engineered acoustics. With the valves closed, the system provides a more controlled and comfortable exhaust tone for everyday driving. Open the valves, and the exhaust delivers a much louder, deeper, and more aggressive sound that transforms every startup, acceleration pull, gear change, and downshift.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe true dual-pipe layout helps improve exhaust flow and exhaust velocity while maintaining an OEM-style fitment. Stainless steel enhances the S58’s natural tone, producing a muscular growl at lower RPMs and a roaring, race-inspired sound at higher RPMs.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eDepending on your vehicle’s driving mode, factory programming, tune, downpipes, and additional modifications, the system may also enhance crackles, pops, and overrun sounds during gear changes and deceleration.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003eWhy Stainless Steel — Strength, Sound, and Value\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eStainless steel exhaust systems are known for their distinctively rich and throaty tone, making them a favorite among enthusiasts seeking a classic European performance-car sound.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eEngineered from high-grade T304 stainless steel, this system offers an ideal balance of durability, sound depth, corrosion resistance, and overall value while maintaining an OEM-like fit and finish.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eUnlike titanium, which produces a sharper and more metallic note, stainless steel delivers a warmer and deeper resonance that sounds smoother and more mature. It is the perfect choice for enthusiasts who want a refined yet powerful soundtrack without entering the ultra-premium titanium price range.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eBuilt to endure years of spirited driving, the stainless steel construction resists corrosion, extreme temperatures, and repeated heat cycling while maintaining its structural integrity and appearance.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003e\n\u003cb\u003eT304 Stainless Steel Construction:\u003c\/b\u003e Offers excellent tensile strength, corrosion resistance, heat resistance, and a consistent exhaust tone under demanding driving conditions.\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\n\u003cb\u003eRemote-Controlled Valved System:\u003c\/b\u003e Switch between a more refined cruising tone and maximum sound and aggression at the press of a button.\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\n\u003cb\u003eTrue Dual Catback Layout:\u003c\/b\u003e Helps reduce exhaust restriction and improve exhaust flow while preserving OEM-style mounting and ground clearance.\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\n\u003cb\u003eDeep, Throaty Exhaust Tone:\u003c\/b\u003e Produces a muscular low-RPM growl and a louder, race-inspired sound under acceleration.\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\n\u003cb\u003eEnhanced Crackles \u0026amp; Pops:\u003c\/b\u003e Accentuates factory or tuned exhaust overrun sounds depending on the vehicle’s programming, driving mode, and supporting modifications.\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\n\u003cb\u003eHand-Finished Welds:\u003c\/b\u003e Precision-welded for strength, durability, and a clean premium appearance.\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\n\u003cb\u003eOEM+ Design Philosophy:\u003c\/b\u003e Combines factory-style fitment and reliability with more aggressive acoustics and visual appeal.\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\n\u003cb\u003eBolt-On Installation:\u003c\/b\u003e Designed to install using the vehicle’s factory-style mounting points without major fabrication or cutting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003eIncluded Components\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003eValved stainless steel catback exhaust system\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eRemote controls and valve-control components\u003c\/li\u003e\n\u003cli class=\"p1\"\u003ePlug-and-play valve wiring harness\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eClamps, gaskets, mounting hardware, and installation accessories\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eTwo stainless steel exhaust tips\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003eIMPORTANT CLEARANCE CONDITION \u0026amp; EXHAUST-TIP DISCLAIMER\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThis is a discounted clearance exhaust system that is currently in stock and ready to ship.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eA complete version of this exhaust system normally includes four exhaust tips. This specific clearance unit is missing two of the original four exhaust tips and will include only two exhaust tips.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe customer will be responsible for sourcing two additional compatible exhaust tips if a complete four-tip configuration is desired. The missing exhaust tips do not affect the operation of the exhaust piping, muffler sections, valves, wiring, or valve-control system, but additional tips will be required to complete the intended quad-tip appearance.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003ePlease carefully review all product photos before ordering to confirm the condition, finish, and included components. Due to the significant clearance discount and the clearly disclosed missing exhaust tips, this unit is sold in its stated condition.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003eFITMENT\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003eBMW G80 M3 Sedan\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eBMW G80 M3 Competition Sedan\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eBMW G80 M3 Competition xDrive Sedan\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eBMW G81 M3 Touring\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eBMW G81 M3 Competition xDrive Touring\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eBMW G82 M4 Coupe\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eBMW G82 M4 Competition Coupe\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eBMW G82 M4 Competition xDrive Coupe\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eBMW G83 M4 Convertible\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eBMW G83 M4 Competition Convertible\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eBMW G83 M4 Competition xDrive Convertible\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eCompatible with BMW G8X models equipped with the S58 twin-turbo inline-six engine.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003eProfessional installation is recommended to ensure proper alignment, valve operation, exhaust-tip positioning, ground clearance, and leak-free connections. Fitment may vary on vehicles equipped with aftermarket downpipes, modified factory exhaust components, non-factory rear diffusers, center-exit conversions, or other exhaust modifications.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003eIMPORTANT SALE TERMS\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThis specific exhaust system is already fabricated, currently in stock, and ready to ship. The standard custom-fabrication lead time does not apply to this clearance unit.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eBecause the missing exhaust tips and clearance condition are clearly disclosed before purchase, the missing tips cannot be used as the basis for a return or refund.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eDue to the size, weight, substantial shipping cost, and discounted clearance pricing of this exhaust system, full returns are not accepted. However, if there is ever a verified fitment or functional issue unrelated to the disclosed missing exhaust tips, our team will review the issue with proper installation documentation and make sure you are taken care of.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eYour BMW G8X deserves a soundtrack as powerful as its performance.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eOur Valved Stainless Steel Catback Exhaust System delivers the ideal combination of deep tone, OEM+ quality, modern valve control, and exceptional value — turning every startup, rev, acceleration pull, and downshift into an event.\u003c\/p\u003e","brand":"BAVMODS","offers":[{"title":"Default Title","offer_id":48231407878334,"sku":null,"price":949.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0619\/8788\/1150\/files\/IMG_17402_579023b3-21de-4029-a773-a602fa4f8a6c.jpg?v=1765652822","url":"https:\/\/bavmods.com\/de\/products\/bmw-g80-m3-g82-g83-m4-valved-stainless-steel-catback-exhaust-system-loud-straight-pipe-sound-crackles-pops-oem-performance-upgrade-clearance-unit-ready-to-ship-missing-2-of-4-exhaust-tips-2021","provider":"BAVMODS®","version":"1.0","type":"link"}