{"title":"Exhaust","description":null,"products":[{"product_id":"highflow-heatshielded-catless-downpipe-bmw-b48","title":"Catless Downpipe 2017–2025 BMW 320i\/330i\/420i\/430i\/520i\/530i\/Z4 – B48","description":"\u003cp\u003eA direct bolt-on catless downpipe for the BMW B48, built from 304 stainless steel and TIG-welded for a clean, durable fit. Replacing the restrictive factory catalytic converter frees up exhaust flow, spools the turbo sooner, and lets the B48 make the power it's capable of once tuned.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReplaces OE Part No. 18329797597\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e304 stainless steel construction, TIG-welded\u003c\/li\u003e\n\u003cli\u003eTurbo side: 4.0 inch · Exhaust side: 3.0 inch\u003c\/li\u003e\n\u003cli\u003eIntegrated thermal heat shield\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on, no cutting or permanent modification\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat it does\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFrees up exhaust flow by removing the factory cat, cutting backpressure so the turbo spools faster and holds boost more easily.\u003c\/li\u003e\n\u003cli\u003eSupports a tune, built for Stage 1, Stage 2 and beyond, letting a tuned B48 deliver its full horsepower and torque.\u003c\/li\u003e\n\u003cli\u003eManages heat with the integrated shield, keeping exhaust heat inside the pipe to protect nearby wiring, sensors and intake parts and help hold lower EGTs under load.\u003c\/li\u003e\n\u003cli\u003eSharpens the sound into a deeper, sportier exhaust note without constant cabin drone.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBuild quality\u003c\/h3\u003e\n\u003cp\u003eEach downpipe is TIG-welded for clean seams, smooth internal transitions and reliable strength under high exhaust temperatures. It bolts directly to the factory location and works with both the stock and aftermarket exhaust systems. Backed by a lifetime warranty.\u003c\/p\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003e3 Series: 320i\/330i (G20\/G21 Pre-LCI \u0026amp; LCI, 2017–2025) · G28 LCI (2021–2025)\u003cbr\u003e4 Series: 420i\/430i (G22\/G23\/G26 Pre-LCI \u0026amp; LCI, 2019–2025)\u003cbr\u003e5 Series: 520i\/530i (G30\/G31 LCI, 2019–2023)\u003cbr\u003eX3: G01 Pre-LCI \u0026amp; LCI (2018–2024)\u003cbr\u003eZ4: sDrive20i\/30i (G29, 2017–2025)\u003cbr\u003eToyota Supra: 2.0 (A90, 2020–2025)\u003c\/p\u003e","brand":"RPM Tuning","offers":[{"title":"Default Title","offer_id":42392882151533,"sku":"","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/2729\/0989\/files\/Artboard_14.png?v=1752466877"},{"product_id":"bmw-b58-heatshielded-catless-downpipe","title":"Catless Downpipe 2016–2022 BMW M240i\/340i\/440i\/540i\/740i\/840i \u0026 xDrive – B58","description":"\u003cp\u003eA direct bolt-on catless downpipe for the BMW B58, built from 304 stainless steel and TIG-welded for a clean, durable fit. Replacing the restrictive factory catalytic converter frees up exhaust flow, spools the turbo sooner, and lets the B58 make the power it's capable of once tuned.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReplaces OE Part No. 18328631625\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e304 stainless steel construction, TIG-welded\u003c\/li\u003e\n\u003cli\u003eTurbo side: 4.5 inch · Exhaust side: 3.0 inch\u003c\/li\u003e\n\u003cli\u003eIntegrated thermal heat shield\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on, no cutting or permanent modification\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat it does\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFrees up exhaust flow by removing the factory cat, cutting backpressure so the turbo spools faster and holds boost more easily.\u003c\/li\u003e\n\u003cli\u003eSupports a tune, built for Stage 1, Stage 2 and beyond, letting a tuned B58 deliver its full horsepower and torque.\u003c\/li\u003e\n\u003cli\u003eManages heat with the integrated shield, keeping exhaust heat inside the pipe to protect nearby wiring, sensors and intake parts and help hold lower EGTs under load.\u003c\/li\u003e\n\u003cli\u003eSharpens the sound into a deeper, sportier exhaust note without constant cabin drone.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBuild quality\u003c\/h3\u003e\n\u003cp\u003eEach downpipe is TIG-welded for clean seams, smooth internal transitions and reliable strength under high exhaust temperatures. It bolts directly to the factory location and works with both the stock and aftermarket exhaust systems. Backed by a lifetime warranty.\u003c\/p\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003e1 Series: M140i (F20\/F21 LCI, 2015–2019)\u003cbr\u003e2 Series: M240i (F22\/F23, 2015–2021)\u003cbr\u003e3 Series: 340i (F30 LCI, 2015–2019) · M340i (G20, 2019–2022)\u003cbr\u003e4 Series: 440i (F32\/F33\/F36, 2017–2020) · M440i (G22, 2020–2022)\u003cbr\u003e5 Series: 540i (G30\/G31 Pre-LCI \u0026amp; LCI, 2017–2022) · 540i (G38, 2017–2022)\u003cbr\u003e6 Series: 640i GT (G32, 2017–2019)\u003cbr\u003e7 Series: 740i (G11\/G12, 2015–2022)\u003cbr\u003e8 Series: 840i (G14\/G15\/G16, 2018–2022)\u003cbr\u003eX3: M40i (G01, 2017–2022) · X4: M40i (G02, 2018–2022)\u003cbr\u003eZ4: M40i (G29, 2019–2022)\u003cbr\u003eToyota Supra: 3.0 (A90, 2019–2022)\u003c\/p\u003e","brand":"RPM Tuning","offers":[{"title":"Default Title","offer_id":42392886313069,"sku":"","price":499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/2729\/0989\/files\/Artboard_15.png?v=1752467602"},{"product_id":"high-flow-heat-shielded-catless-downpipe-bmw-n20","title":"Catless Downpipe 2011–2020 BMW 320i\/328i\/420i\/428i\/520i\/528i – N20","description":"\u003cp\u003eA direct bolt-on catless downpipe for the BMW N20, built from 304 stainless steel and TIG-welded for a clean, durable fit. Replacing the restrictive factory catalytic converter frees up exhaust flow, spools the turbo sooner, and lets the N20 make the power it's capable of once tuned.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e304 stainless steel construction, TIG-welded\u003c\/li\u003e\n\u003cli\u003eTurbo side: 3.5 inch · Exhaust side: 2.5 inch\u003c\/li\u003e\n\u003cli\u003eIntegrated thermal heat shield\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on, no cutting or permanent modification\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat it does\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFrees up exhaust flow by removing the factory cat, cutting backpressure so the turbo spools faster and holds boost more easily.\u003c\/li\u003e\n\u003cli\u003eSupports a tune, built for Stage 1, Stage 2 and beyond, letting a tuned N20 deliver its full horsepower and torque.\u003c\/li\u003e\n\u003cli\u003eManages heat with the integrated shield, keeping exhaust heat inside the pipe to protect nearby wiring, sensors and intake parts and help hold lower EGTs under load.\u003c\/li\u003e\n\u003cli\u003eSharpens the sound into a deeper, sportier exhaust note without constant cabin drone.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBuild quality\u003c\/h3\u003e\n\u003cp\u003eEach downpipe is TIG-welded for clean seams, smooth internal transitions and reliable strength under high exhaust temperatures. It bolts directly to the factory location and works with both the stock and aftermarket exhaust systems. Backed by a lifetime warranty.\u003c\/p\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003e1 Series: 116i\/118i\/125i (F20, 2011–2019)\u003cbr\u003e2 Series: 220i\/228i (F22, 2013–2021)\u003cbr\u003e3 Series: 320i\/328i (F30\/F31\/F34, 2012–2019)\u003cbr\u003e4 Series: 420i\/428i (F32\/F33\/F36, 2013–2020)\u003cbr\u003e5 Series: 520i\/528i (F10, 2012–2016)\u003cbr\u003eX1: sDrive20i\/xDrive20i\/xDrive28i (E84, 2011–2015) · sDrive20i\/xDrive20i (F48, 2015–2019)\u003cbr\u003eX3: xDrive20i\/xDrive28i (F25, 2011–2017)\u003cbr\u003eZ4: sDrive20i\/sDrive28i (E89, 2011–2016)\u003c\/p\u003e","brand":"RPM Tuning","offers":[{"title":"Default Title","offer_id":42986682646637,"sku":null,"price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/2729\/0989\/files\/PDG04585.png?v=1754985163"},{"product_id":"high-flow-heat-shielded-dual-catless-downpipe-bmw-s55-m-engine","title":"Catless Downpipes 2015–2020 BMW M2 Competition\/M3\/M4 – S55","description":"\u003cp\u003eA pair of direct bolt-on catless downpipes for the BMW S55 twin-turbo inline-six, built from 304 stainless steel and TIG-welded. Removing the restrictive factory catalytic converters frees up exhaust flow on both turbos, sharpens throttle response, and lets the S55 deliver its full potential on a Stage 2+ tune.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e304 stainless steel construction, TIG-welded\u003c\/li\u003e\n\u003cli\u003eLong-pipe and short-pipe options, both 3.0 inch turbo side \/ 2.5 inch exhaust side\u003c\/li\u003e\n\u003cli\u003eIntegrated thermal heat shield\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on, no cutting or modification\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat it does\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFrees up exhaust flow by removing both factory cats, cutting backpressure so the twin turbos spool faster and hold boost more easily.\u003c\/li\u003e\n\u003cli\u003eBuilt for Stage 2+, supporting higher boost and aggressive tunes for horsepower and torque gains across the rev range.\u003c\/li\u003e\n\u003cli\u003eManages heat with the integrated shield, keeping exhaust heat inside the pipes to protect nearby wiring, sensors and intake parts and help hold lower EGTs under load.\u003c\/li\u003e\n\u003cli\u003eSharpens the sound into a deeper, more aggressive M tone with added crackles and pops, without constant cabin drone.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBuild quality\u003c\/h3\u003e\n\u003cp\u003eEach downpipe is TIG-welded for clean seams, smooth internal flow and reliable strength under repeated track abuse. Bolts directly to the factory location and works with both the stock and aftermarket exhaust systems. Backed by a lifetime warranty.\u003c\/p\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eM3: F80 Sedan (2015–2018)\u003cbr\u003eM4: F82 Coupe (2015–2020) · F83 Convertible (2015–2020)\u003cbr\u003eM2 Competition: F87 (2018–2021)\u003c\/p\u003e","brand":"RPM Tuning","offers":[{"title":"Default Title","offer_id":43136708542573,"sku":null,"price":799.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/2729\/0989\/files\/PDG05481.png?v=1755758112"},{"product_id":"rpm-tuning-304-ss-full-catback-exhaust-system-bmw","title":"304 SS Catback Exhaust 2019–2022 BMW G20 320i\/330i – B48","description":"\u003cp\u003eA full 304 stainless steel catback exhaust system with a variable valve controller for the BMW G20 320i and 330i. It opens up exhaust flow for a freer-breathing, better-sounding system, with valve control for sound on demand, aggressive when you want it and civil when you don't.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e304 stainless steel, TIG-welded and back-purged\u003c\/li\u003e\n\u003cli\u003eVariable valve controller (remote operated) for on-demand sound\u003c\/li\u003e\n\u003cli\u003eFlange options: 10mm \/ 12mm \/ 15mm, within 0.5mm tolerance for a precise seal\u003c\/li\u003e\n\u003cli\u003ePolished or brushed finish options\u003c\/li\u003e\n\u003cli\u003eFull catback system\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat it does\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFrees up flow with a free-flowing design that reduces backpressure to unlock horsepower and torque.\u003c\/li\u003e\n\u003cli\u003eGives sound on demand through the electronic valve, switching between an aggressive note and quiet daily drivability.\u003c\/li\u003e\n\u003cli\u003eBuilt to last from 304 stainless with polished interior welds and reinforced bellows to reduce vibration.\u003c\/li\u003e\n\u003cli\u003eFits clean, with sensor positions kept out of the flow path and pipe inlets polished for exhaust velocity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBuild quality\u003c\/h3\u003e\n\u003cp\u003eTIG-welded and back-purged 304 stainless with smooth pipe-to-flange transitions, polished interior welds, and laser-etched RPM Tuning branding. Finished in your choice of polished or brushed surface. Backed by a 24-month warranty.\u003c\/p\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003e3 Series: 320i\/330i (G20, 2019–2022)\u003c\/p\u003e\n\u003cp\u003eFinish and valve-control options vary by build. \u003ca href=\"https:\/\/wa.link\/3xt016\"\u003eContact us\u003c\/a\u003e to confirm your preferred configuration.\u003c\/p\u003e","brand":"RPM Tuning","offers":[{"title":"Default Title","offer_id":43223950000237,"sku":null,"price":1499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/2729\/0989\/files\/Artboard8_dcd6495a-16da-4469-9f0a-5e54b35794f6.png?v=1756178185"},{"product_id":"catless-downpipe-2018-2025-audi-q8-3-0t","title":"Catless Downpipe 2018-2025 Audi Q8 - 3.0T","description":"\u003cp\u003eThe Q8 3.0T has a strong V6 turbo setup choked by a restrictive stock downpipe. This high-flow catless downpipe frees it up for better flow, sharper response and a deeper note.\u003c\/p\u003e\u003cp\u003e304 stainless with a heat shield, built to cut exhaust restriction and let the EA839 breathe properly once you go Stage 1 or Stage 2.\u003c\/p\u003e\u003ch3\u003eWhat you get\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e304 stainless steel catless downpipe\u003c\/li\u003e\n\u003cli\u003eHeat shield fitted\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eAudi Q8 3.0T, 2018 onward. Send us your exact build and we'll confirm fitment before you order.\u003c\/p\u003e\u003ch3\u003eGood to know\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBest paired with a Stage 1+ tune to clear codes and unlock the gain\u003c\/li\u003e\n\u003cli\u003eTrade in your stock pipe for a discount, ask us\u003c\/li\u003e\n\u003cli\u003eProfessional installation available at RPM Subang, or at our partner workshops\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWant to know what gains to expect on your Q8? Drop us a message before you order.\u003c\/p\u003e","brand":"RPM Tuning","offers":[{"title":"Default Title","offer_id":45354573496429,"sku":null,"price":732.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/2729\/0989\/files\/PDG08293.png?v=1782392254"},{"product_id":"200-cell-catted-downpipes-2012-2017-bmw-m5-s63","title":"200-Cell Catted Downpipes 2012-2017 BMW M5 - S63","description":"\u003cp\u003eThe S63 in the F10 M5 is a monster, and it's begging for less restriction. These 200-cell catted downpipes free up the twin-turbo V8 while keeping things civil enough for the street.\u003c\/p\u003e\u003cp\u003e304 stainless with heat shields and 200-cell high-flow cats, built to cut backpressure, improve spool and deepen the V8 note without going fully decatted. The smart middle ground for a daily-able M5.\u003c\/p\u003e\u003ch3\u003eWhat you get\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePair of 304 stainless 200-cell catted downpipes\u003c\/li\u003e\n\u003cli\u003eHeat shields fitted\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eBMW M5 F10 with the S63 engine, 2012 onward. Confirm your exact build with us before ordering.\u003c\/p\u003e\u003ch3\u003eGood to know\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e200-cell cats keep things quieter and cleaner than a full decat while still freeing power\u003c\/li\u003e\n\u003cli\u003eBest paired with a Stage 2 tune to unlock the full gain\u003c\/li\u003e\n\u003cli\u003eTrade in your stock pipes for a discount, ask us\u003c\/li\u003e\n\u003cli\u003eProfessional installation available at RPM Subang, or at our partner workshops\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWant to know what gains to expect on your M5? Drop us a message before you order.\u003c\/p\u003e","brand":"RPM Tuning","offers":[{"title":"Default Title","offer_id":45354573561965,"sku":null,"price":1098.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/2729\/0989\/files\/PDG09636.png?v=1782392299"}],"url":"https:\/\/www.rpmtuning.pro\/collections\/exhaust.oembed","provider":"RPM Tuning ","version":"1.0","type":"link"}