Get up to +82 hp and +100 lb-ft through a safe and easy to use tuning module from RaceChip
Get up to +82 hp and +100 lb-ft through a safe and easy to use tuning module from RaceChip
Get up to +82 hp and +100 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip
Upgrade your M157 AMG or M278 with the UPD Billet Idler Kit - CNC-machined aluminum pulleys built to eliminate factory plastic idler failures and deliver lasting performance and reliability.
Standard replacement radiator
Unlock hidden M157 power with the UPD Cold Air Induction Kit - OEM style fitment with dyno-proven gains of up to 25WHP!
Set of 8 ignition coils and spark plugs for Mercedes M278 and M157 engines
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This product was last offered at the strikethrough price on
04-23-2026
The stock HPFP on the M278 Motors is severely limited in capacity when trying to raise the output of the motor. The FX-170 adds 50% more flow, raising the fueling limits and helping you achieve more power!