{"product_id":"valvetronic-designs-bmw-g8x-m3-m4-400-cell-catted-downpipes-bmwg8xm2m3m4ff400cbr","title":"Valvetronic Designs BMW G8X M3 \/ M4 400 Cell Catted Downpipes (BMW.G8X.M2.M3.M4.FF.400C.BR)","description":"\u003cp\u003eValvetronic Designs 400-Cell Catted Downpipes for the BMW G80 M3 G82 M4 and G87 M2 are engineered to enhance the performance of the S58 platform while maintaining catalytic functionality.\u003c\/p\u003e\u003cp\u003eThe high-flow 400-cell metallic catalysts reduce exhaust restriction allowing improved turbo response and stronger mid-range performance. Compared to factory downpipes these units increase flow while preserving drivability and helping reduce unwanted exhaust odor commonly associated with catless setups.\u003c\/p\u003e\u003cp\u003eConstructed from premium stainless steel and designed for direct bolt-on installation these downpipes deliver a more aggressive exhaust tone with reliable long-term durability. Tuning may be required to prevent check engine lights and achieve optimal results.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHigh-flow 400-cell metallic catalysts\u003c\/li\u003e\n\u003cli\u003eImproved Turbo Spool\u003c\/li\u003e\n\u003cli\u003eReduced Backpressure\u003c\/li\u003e\n\u003cli\u003ebolt-on OEM fitment\u003c\/li\u003e\n\u003cli\u003eStainless Steel Construction\u003c\/li\u003e\n\u003cli\u003eDeeper Exhaust Tone\u003c\/li\u003e\n\u003cli\u003eReduced Odor VS Catless\u003c\/li\u003e\n\u003cli\u003eDesigned To Minimize CEL With Proper Tuning.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Valvetronic Designs","offers":[{"title":"Default Title","offer_id":42617748095063,"sku":"BMW.G8X.M2.M3.M4.FF.400C.BR","price":2249.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/8642\/1591\/files\/ChatGPT_20Image_20Feb_2028_202026_2008_42_09_20PM.png?v=1773674149","url":"https:\/\/jmautosports.com\/products\/valvetronic-designs-bmw-g8x-m3-m4-400-cell-catted-downpipes-bmwg8xm2m3m4ff400cbr","provider":"JM Auto Racing","version":"1.0","type":"link"}