Gravity Performance Exhaust Decat Downpipes are developed to offer increased performance to your BMW. The free flowing design offers reduced restriction
boosting power and torque across the RPM range.
Free flowing catalyst to get the most from the N20 engines
Manufactured from highest quality T304 grade stainless steel
Mandrel bent and fully TIG welded for strength and durability
Free flowing catalyst to get the most from the N20 engines
Designed to improve power and torque across the entire RPM range
Gravity Performance Exhaust Decat Downpipes are developed to offer increased performance to your BMW. The free flowing design offers reduced restriction
boosting power and torque across the RPM range.
boosting power and torque across the RPM range.
Manufactured from highest quality T304 grade stainless steel
New

Gravity 4.5 Exhaust Decat Downpipe – BMW 1 Series F20 / F21 125i N20 2012-2015

RRP: £149.99

£139.99 inc VAT (£116.66 + VAT)

Gravity Performance Exhaust Decat Downpipes are developed to offer increased performance to your BMW. The free flowing design offers reduced restriction, boosting power and torque across the RPM range.

Manufactured from highest quality T304 grade stainless steel
Mandrel bent and fully TIG welded for strength and durability
Free flowing catalyst to get the most from the N20 engines
Designed to improve power and torque across the entire RPM range

Available to order

Fpr Gravity Performance, JapSpeed and Direnza products this is not guarenteed stock availibility and is available to order on demand

Estimated delivery by 01/06/2026

SKU: Gravity/ZZ03989 Category: Brand:

More Information

Product Information

  • BMW 1 Series F20 F21 N20 2010-2017 models
  • BMW 2 Series F22 N20 2010-2017 models
  • BMW 3 Series F30 F31 F35 N20 2010-2017 models
  • BMW 4 Series F32 F33 N20 2010-2017 models

Fitments

  • Manufactured from highest quality T304 grade stainless steel
  • Mandrel bent and fully TIG welded for strength and durability
  • Free flowing catalyst to get the most from the N20 engines
  • Designed to improve power and torque across the entire RPM range
Weight 2.5 kg
Length (mm)

490

Pipe Bore 1 (mm)

117-63

Sensor Ports

2

Tech Specs

Specification

Category Downpipes
Brand Gravity
MPN

ZZ03989

Ratings