{"product_id":"milltek-downpipe-bmw-3-series-g80-m3-m3-competition-s58-3-0-turbo-2021","title":"Milltek Sport Catted \u0026 Catless Downpipes - 2021+ BMW 3 Series G80 M3 \u0026 M3 Competition S58 3.0 Turbo","description":"\u003cp\u003eMilltek Sport catted and catless downpipes, cat pipes and front pipes for the BMW 3 Series G80 M3 \u0026amp; M3 Competition S58 3.0 Turbo (2021+). These parts open up the hot side of the exhaust, cut backpressure and sharpen throttle response. Pick the option that matches your exhaust: some are built to fit a Milltek cat-back, others bolt to the stock cat-back.\u003c\/p\u003e\u003ch3\u003eCompare every part number\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eOption\u003c\/th\u003e\n\u003cth\u003eFits with (Milltek)\u003c\/th\u003e\n\u003cth\u003eStage 2 ECU remap\u003c\/th\u003e\n\u003cth\u003eRace\/Track only\u003c\/th\u003e\n\u003cth\u003ePipe size\u003c\/th\u003e\n\u003cth\u003eFit time\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSSXBM1333\u003c\/td\u003e\n\u003ctd\u003eCatted Downpipe (Race\/Track only): V2 HJS HQ 200 Cell Catted Downpipes (No CEL) - Fits to OE or Milltek 102mm Mid Pipes\u003c\/td\u003e\n\u003ctd\u003eV2 HJS HQ 200 Cell Catted Downpipes (No CEL) - Fits to OE or Milltek 102mm Mid Pipes\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003e3.00\" (76.20mm)\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSSXBM1235\u003c\/td\u003e\n\u003ctd\u003eCatted Downpipe (Race\/Track only): with HJS HQ 200CPSI Cats (No CEL or ECU Software Required) - Fits to OE Secondary Cats \u0026amp; Milltek Sport 3\" Cat Back System\u003c\/td\u003e\n\u003ctd\u003ewith HJS HQ 200CPSI Cats (No CEL or ECU Software Required) - Fits to OE Secondary Cats \u0026amp; Milltek Sport 3\" Cat Back System\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003e3.00\" (76.20mm)\u003c\/td\u003e\n\u003ctd\u003e3.00 to 4.00 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSSXBM1271\u003c\/td\u003e\n\u003ctd\u003eCatless Downpipe (Race\/Track only): Requires Stage 2 ECU Remap - Fits to OE and Milltek Sport 3\" Midpipe Systems\u003c\/td\u003e\n\u003ctd\u003eRequires Stage 2 ECU Remap - Fits to OE and Milltek Sport 3\" Midpipe Systems\u003c\/td\u003e\n\u003ctd\u003eRequired\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003e3.00\" (76.20mm)\u003c\/td\u003e\n\u003ctd\u003e3.00 to 4.00 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSSXBM1334\u003c\/td\u003e\n\u003ctd\u003eCatless Downpipe (Race\/Track only) Bypass: Catless Downpipes (Requires Stage 2 ECU Remap) - Fits to OE or Milltek 102mm Mid Pipes\u003c\/td\u003e\n\u003ctd\u003eCatless Downpipes (Requires Stage 2 ECU Remap) - Fits to OE or Milltek 102mm Mid Pipes\u003c\/td\u003e\n\u003ctd\u003eRequired\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003e3.00\" (76.20mm)\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSSXBM1270\u003c\/td\u003e\n\u003ctd\u003eSecondary Cat Bypass - Non Resonated - Fits to OE Downpipes \u0026amp; Axle Back System Only\u003c\/td\u003e\n\u003ctd\u003eSecondary Cat Bypass - Non Resonated - Fits to OE Downpipes \u0026amp; Axle Back System Only\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003e3.00\" (76.20mm)\u003c\/td\u003e\n\u003ctd\u003e2.00 to 3.00 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSSXBM1339\u003c\/td\u003e\n\u003ctd\u003eSecondary Cat Bypass: Single Pipe 102mm - Non Resonated to OE Axle Back Only\u003c\/td\u003e\n\u003ctd\u003eSingle Pipe 102mm - Non Resonated to OE Axle Back Only\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003e4.00\" (101.60mm)\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSSXBM1268\u003c\/td\u003e\n\u003ctd\u003eSecondary Cat Bypass - Non Resonated - Fits to OE Downpipes \u0026amp; Milltek Sport Axle Back System Only\u003c\/td\u003e\n\u003ctd\u003eSecondary Cat Bypass - Non Resonated - Fits to OE Downpipes \u0026amp; Milltek Sport Axle Back System Only\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003e3.00\" (76.20mm)\u003c\/td\u003e\n\u003ctd\u003e2.00 to 3.00 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSSXBM1340\u003c\/td\u003e\n\u003ctd\u003eSecondary Cat Bypass: Single Pipe 102mm - Non Resonated to Milltek Axle Back Only\u003c\/td\u003e\n\u003ctd\u003eSecondary Cat Bypass - Z Pipe - Fits to OE Downpipes \u0026amp; Milltek Sport Axle Back System Only System Number: SSXBM1436 Consists of: 1 x Z Pipe 1 x LH Secondary Cat Bypass 1 x RH Secondary Cat Bypass 1 x Chassis Brace Plate 2 x Adapter to Milltek Sport System Pipe Ø: 3.00\" (76.20mm) * Secondary Catalyst Bypass Secondary Cat Bypass - Z Pipe - Fits to OE Downpipes \u0026amp; OE Axle Back System Only System Number: SSXBM1437 Consists of: 1 x Z Pipe 1 x LH Secondary Cat Bypass 1 x RH Secondary Cat Bypass 1 x Chassis Brace Plate 2 x Adapters to OE System Pipe Ø: 3.00\" (76.20mm) * Secondary Catalyst Bypass Single Pipe 102mm - Non Resonated to Milltek Axle Back Only\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003e4.00\" (101.60mm)\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSSXBM1342\u003c\/td\u003e\n\u003ctd\u003eSecondary Cat Bypass: Single Pipe 102mm - X Pipe to OE Axle Back Only\u003c\/td\u003e\n\u003ctd\u003eSingle Pipe 102mm - X Pipe to OE Axle Back Only\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003e4.00\" (101.60mm)\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSSXBM1341\u003c\/td\u003e\n\u003ctd\u003eSecondary Cat Bypass: Single Pipe 102mm - X Pipe to Milltek Axle Back Only\u003c\/td\u003e\n\u003ctd\u003eSingle Pipe 102mm - X Pipe to Milltek Axle Back Only\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003e4.00\" (101.60mm)\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSSXBM1269\u003c\/td\u003e\n\u003ctd\u003eSecondary Cat Bypass - Resonated - Fits to OE Downpipes \u0026amp; Axle Back System Only\u003c\/td\u003e\n\u003ctd\u003eSecondary Cat Bypass - Resonated - Fits to OE Downpipes \u0026amp; Axle Back System Only\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003e3.00\" (76.20mm)\u003c\/td\u003e\n\u003ctd\u003e2.00 to 3.00 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSSXBM1267\u003c\/td\u003e\n\u003ctd\u003eSecondary Cat Bypass - Resonated - Fits to OE Downpipes \u0026amp; Milltek Sport Axle Back System Only\u003c\/td\u003e\n\u003ctd\u003eSecondary Cat Bypass - Resonated - Fits to OE Downpipes \u0026amp; Milltek Sport Axle Back System Only\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003e3.00\" (76.20mm)\u003c\/td\u003e\n\u003ctd\u003e2.00 to 3.00 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\"Race\/Track only\" and \"Stage 2 ECU remap\" are shown only where Milltek states them. A dash means Milltek does not state it for that part.\u003c\/p\u003e\u003ch3\u003eWhat comes with each part number\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSSXBM1333\u003c\/strong\u003e (Large Bore Downpipe and Hi-Flow Sports Cat): 1 x LH Cat Downpipe; 1 x RH Cat Downpipe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSSXBM1235\u003c\/strong\u003e (Large Bore Downpipe and Hi-Flow Sports Cat): 1 x LH Downpipe \u0026amp; Cat Assembly; 1 x RH Downpipe \u0026amp; Cat Assembly; 1 x LH Cat Link Pipe Milltek note: with HJS HQ 200CPSI Cats (No CEL or ECU Software Required) - Fits to OE Secondary Cats \u0026amp; Milltek Sport Cat Back System.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSSXBM1271\u003c\/strong\u003e (Large-bore Catless Downpipe): 1 x LH Primary Cat Bypass; 1 x RH Primary Cat Bypass; 1 x LH Cat Link Pipe Milltek note: Requires Stage 2 ECU Remap - Fits to OE and Milltek Sport Systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSSXBM1334\u003c\/strong\u003e (Large-bore Catted Downpipe Bypass Pipes): 1 x LH Cat Replacement Downpipe; 1 x RH Cat Replacement Downpipe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSSXBM1270\u003c\/strong\u003e (Secondary Catalyst Bypass): 1 x LH Silencer Replacement Pipe; 1 x LH Secondary Cat Bypass; 1 x RH Secondary Cat Bypass; 1 x RH Silencer Replacement Pipe; 1 x Chassis Brace Plate; 2 x Adapters to OE System Milltek note: Secondary Cat Bypass - Non Resonated - Fits to OE Downpipes \u0026amp; Axle Back System Only - Requires OE system to be cut.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSSXBM1339\u003c\/strong\u003e (Secondary Catalyst Bypass): 1 x 102MM \/ 4\" Single Mid Pipe (Non-OPF Cars); 1 x LH Silencer Replacement Pipe; 1 x RH Silencer Replacement Pipe; 1 x Chassis Brace Plate; 2 x Adapters to OE System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSSXBM1268\u003c\/strong\u003e (Secondary Catalyst Bypass): 1 x LH Silencer Replacement Pipe; 1 x LH Secondary Cat Bypass; 1 x RH Secondary Cat Bypass; 1 x RH Silencer Replacement Pipe; 1 x Chassis Brace Plate; 2 x Adapter to Milltek Sport System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSSXBM1340\u003c\/strong\u003e (Secondary Catalyst Bypass): 1 x 102MM \/ 4\" Single Mid Pipe (Non-OPF Cars); 1 x LH Silencer Replacement Pipe; 1 x RH Silencer Replacement Pipe; 1 x Chassis Brace Plate; 2 x Adapter to Milltek Sport System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSSXBM1342\u003c\/strong\u003e (Secondary Catalyst Bypass): 1 x 102MM \/ 4\" Single Mid Pipe (Non-OPF Cars); 1 x X Pipe; 1 x Chassis Brace Plate; 2 x Adapters to OE System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSSXBM1341\u003c\/strong\u003e (Secondary Catalyst Bypass): 1 x 102MM \/ 4\" Single Mid Pipe (Non-OPF Cars); 1 x X Pipe; 1 x Chassis Brace Plate; 2 x Adapter to Milltek Sport System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSSXBM1269\u003c\/strong\u003e (Secondary Catalyst Bypass): 1 x Centre Silencer; 1 x LH Secondary Cat Bypass; 1 x RH Secondary Cat Bypass; 1 x Chassis Brace Plate; 2 x Adapters to OE System Milltek note: Secondary Cat Bypass - Resonated - Fits to OE Downpipes \u0026amp; Axle Back System Only - Requires OE system to be cut.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSSXBM1267\u003c\/strong\u003e (Secondary Catalyst Bypass): 1 x Centre Silencer; 1 x LH Secondary Cat Bypass; 1 x RH Secondary Cat Bypass; 1 x Chassis Brace Plate; 2 x Adapter to Milltek Sport System\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCatted and catless downpipes\u003c\/h3\u003e\u003cp\u003eA \u003cstrong\u003ecatted downpipe\u003c\/strong\u003e keeps a catalytic converter in the downpipe. A \u003cstrong\u003ecatless downpipe\u003c\/strong\u003e (de-cat) replaces it with a straight pipe. Each option name above says which one it is.\u003c\/p\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eBMW 3 Series G80 M3 \u0026amp; M3 Competition S58 3.0 Turbo, 2021+. US-market model listing. Confirm your exact model, engine and options before ordering.\u003c\/p\u003e\u003ch3\u003eAbout Milltek Sport\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eT304L stainless steel, CNC mandrel bent.\u003c\/li\u003e\n\u003cli\u003eDesigned and developed in Derby, UK with a US facility in Knoxville, Tennessee, and tested at the Nürburgring.\u003c\/li\u003e\n\u003cli\u003eCompany founded in 1983.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWarranty\u003c\/h3\u003e\u003cp\u003eMilltek covers most products with a lifetime guarantee. Downpipes, hi-flow catalysts and any part with valves are covered for 2 years or 80,000 km, and electronic products for 2 years. Claims go through the authorized dealer you bought from, and cover the original purchaser only. Full terms: millteksport.com\/Warranty.html\u003c\/p\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSome options need a Stage 2 ECU remap. Read the option name before you order.\u003c\/li\u003e\n\u003cli\u003eCatless downpipes and other cat bypass parts replace emissions equipment. They are sold for off-road and competition use where local law allows. You are responsible for checking the rules that apply to your vehicle.\u003c\/li\u003e\n\u003cli\u003eFitting times are Milltek estimates for a professional installer.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Milltek Sport","offers":[{"title":"Catted Downpipe (Race\/Track only): V2 HJS HQ 200 Cell Catted Downpipes (No CEL) - Fits to OE or Milltek 102mm Mid Pipes","offer_id":67999482413207,"sku":"SSXBM1333","price":3400.0,"currency_code":"USD","in_stock":true},{"title":"Catted Downpipe (Race\/Track only): with HJS HQ 200CPSI Cats (No CEL or ECU Software Required) - Fits to OE Secondary Cats \u0026 Milltek Sport 3\" Cat Back System","offer_id":67999482445975,"sku":"SSXBM1235","price":3859.0,"currency_code":"USD","in_stock":true},{"title":"Catless Downpipe (Race\/Track only): Requires Stage 2 ECU Remap - Fits to OE and Milltek Sport 3\" Midpipe Systems","offer_id":67999482478743,"sku":"SSXBM1271","price":1519.0,"currency_code":"USD","in_stock":true},{"title":"Catless Downpipe (Race\/Track only) Bypass: Catless Downpipes (Requires Stage 2 ECU Remap) - Fits to OE or Milltek 102mm Mid Pipes","offer_id":67999482511511,"sku":"SSXBM1334","price":1060.0,"currency_code":"USD","in_stock":true},{"title":"Secondary Cat Bypass - Non Resonated - Fits to OE Downpipes \u0026 Axle Back System Only","offer_id":67999482544279,"sku":"SSXBM1270","price":1080.0,"currency_code":"USD","in_stock":true},{"title":"Secondary Cat Bypass: Single Pipe 102mm - Non Resonated to OE Axle Back Only","offer_id":67999482577047,"sku":"SSXBM1339","price":1087.0,"currency_code":"USD","in_stock":true},{"title":"Secondary Cat Bypass - Non Resonated - Fits to OE Downpipes \u0026 Milltek Sport Axle Back System Only","offer_id":67999482609815,"sku":"SSXBM1268","price":1088.0,"currency_code":"USD","in_stock":true},{"title":"Secondary Cat Bypass: Single Pipe 102mm - Non Resonated to Milltek Axle Back Only","offer_id":67999482642583,"sku":"SSXBM1340","price":1095.0,"currency_code":"USD","in_stock":true},{"title":"Secondary Cat Bypass: Single Pipe 102mm - X Pipe to OE Axle Back Only","offer_id":67999482675351,"sku":"SSXBM1342","price":1148.0,"currency_code":"USD","in_stock":true},{"title":"Secondary Cat Bypass: Single Pipe 102mm - X Pipe to Milltek Axle Back Only","offer_id":67999482708119,"sku":"SSXBM1341","price":1156.0,"currency_code":"USD","in_stock":true},{"title":"Secondary Cat Bypass - Resonated - Fits to OE Downpipes \u0026 Axle Back System Only","offer_id":67999482740887,"sku":"SSXBM1269","price":1371.0,"currency_code":"USD","in_stock":true},{"title":"Secondary Cat Bypass - Resonated - Fits to OE Downpipes \u0026 Milltek Sport Axle Back System Only","offer_id":67999482773655,"sku":"SSXBM1267","price":1379.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/files\/ssxbm1333_f4d4d54e-e51c-4f8b-a36c-77f236078391.jpg?v=1790968107","url":"https:\/\/autotalent.com\/products\/milltek-downpipe-bmw-3-series-g80-m3-m3-competition-s58-3-0-turbo-2021","provider":"AutoTalent","version":"1.0","type":"link"}