$370.00
Back pressure is significantly reduced by eliminating the restrictive catalytic converter in the factory downpipe with our race or high flow 200 cell race cat which results in faster spool, an increase in power & a more aggressive exhaust note. Our downpipe features a full 4.5″ stainless steel design as well as a CNC 304 grade stainless steel flange that offers a smooth transition from the turbo to the mid pipes. All Untd. Performance downpipes are hand crafted from SS304 grade stainless steel and include a lifetime warranty as well as our “No Hassle” satisfaction guarantee (includes fitment).
Untd. Performance 4.5″ G20/G22/G26 BMW B58 Stainless Steel Downpipe
Made from hand crafted, tig welded 4.5″ 304 grade stainless steel.
Available with a 200 cell high flow cat.
Fits RHD and LHD models with no modification necessary.
Smooth radius bends to decrease turbulence and increase flow.
Fits the stock cat back exhaust as well as all aftermarket cat back.
Gains from 25-30hp with tune.
This item fits the following BMWs:
2019 – 2022 G20, G22 & G26 B58 BMW M340i & M440i & xDrive
2019 – 2022 F22 B58 BMW M240i & xDrive
2021+ G42 B58 BMW M240i & xDrive
2019+ G05 B58 BMW X5 40i & xDrive
2019+ G29 B58 BMW Z4 M40i
| Weight | 9 kg |
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| Compatibility | 2Series G42 (2022+) 240i, 4Series G22 (2021+) 440i, BMW 3Series G20 (2019+) 340i, Toyota Supra GR A90, X5 G05 (2019+) sDrive40i, X5 G05 (2019+) xDrive40i |
| Brands | Untd. Performance |
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