Let your turbo ingest all the cold air it needs and listen to it spool! 20+HP increase!
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Improves throttle response, and peak power while adding a glorious and aggressive tone under the hood.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
200 psi bypass for smooth and high pressure and 1.3 GPM open flow. Choose quick connect or threaded NPT style fittings.
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Unlock hidden M157 power with the UPD Cold Air Induction Kit - OEM style fitment with dyno-proven gains of up to 25WHP!
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Brings true 2D mapped water-methanol injection delivery to your DI (direct fuel injected) and forced induction vehicle
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Custom made with 100% methanol resistant stainless steel spring and EPDM seals ensuring zero corrosion even with high concentrations of methanol.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Improves throttle response, and peak power while adding a glorious and aggressive tone under the hood.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Improve air flow, sound, and gain up to 10HP!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms CARB certified for sale in all 50 states
Brand:
ES#:
4446040
Mfg#:
21-781DS
EO#:
D-670-24
In Stock
ON SALE!
SAVE 12%
$419.99
This product was last offered at the strikethrough price on 05-15-2026
Brings true 2D mapped water-methanol injection delivery to your EFI (Electronic Fuel Injected) and forced induction vehicle
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Unlock 50-70 HP on your boosted vehicle while decreasing your air temps by up to 100 degrees! Stainless Steel Braided Line, 4AN Fittings, no tank included!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Let your engine breathe! Your air intake pulls in fresh air to supply one of the three key ingredients for internal combustion: air! We have everything to replace a broken or old intake as well as performance cold air intake options to give you more power and better sound.
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Mercedes Benz
Lifetime Replacement
