Unobtainium McLaren 3.8L High Flow Downpipes
3″ high-flow downpipes for the McLaren 3.8L M838T platform. Fits 540C, 570S, 570GT, 600LT, and 675LT.
or as low as $365.50/mo with Affirm
Available
3.8L High Flow Downpipes
3″ high-flow downpipes for the McLaren 3.8L M838T platform. Fits 540C, 570S, 570GT, 600LT, and 675LT.
3″ High-Flow Downpipes
Hand-built 3″ downpipes that fit the entire McLaren 3.8L M838T family. Choose from 304 stainless or Inconel 625, catted or catless. Drop-in fit with factory or aftermarket back-half.
M-Engineering tune required to realize the full power gains. Catless variants are off-road / track use only.
“A 3″ downpipe is the single largest exhaust gain you can make on any 3.8L McLaren.”
From Every Angle
Complete Package
- 3″ downpipes (driver + passenger)
- Stainless V-band clamps and gaskets
- Mounting hardware
Configurator
Configure your build below. All prices in USD; upcharges shown are direct from manufacturer.
- Tip Configuration — 304 Stainless Steel 3″ Catless
- Base
- Tip Configuration — 304 Stainless Steel 3″ Catted
- Base
- Tip Configuration — 304 Stainless Steel 3.5″ Catless
- Base
- Tip Configuration — 304 Stainless Steel 3.5″Catted
- Base
- Tip Configuration — 625 Inconel 3″ Catless
- Base
- Tip Configuration — 625 Inconel 3″ Catted
- Base
- Tip Configuration — 625 Inconel 3.5″ Catless
- Base
- Tip Configuration — 625 Inconel 3.5″ Catted
- Base
- Downpipe Configuration — Titanium Thermal Wrap
- Base
- Downpipe Configuration — Metallic Insulation
- Base
- Downpipe Configuration — Tabs to mount factory shields
- Base
Build Details
- Tubing diameter
- 3″
- Material
- 304 stainless or Inconel 625
- Cat options
- Catted (street legal) or Catless (off-road)
- Fitment
- 540C / 570S / 570GT / 600LT / 675LT
- Tune required
- Yes
McLaren 3.8L M838T platform · 540C / 570S / 570GT / 600LT / 675LT
Tune required. Catless downpipes are off-road / track use only.
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