Manufactured from highest quality T304 grade stainless steel
Mandrel bent and fully TIG welded for strength and durability
Free flowing catalyst replacement to get the most from the B58 engine
Designed to improve power and torque across the entire RPM range
4.5' bore to maximise exhaust flow
 
 
 
 
Our 4.5' Exhaust Decat Downpipe compatible with BMW 1 Series F20 M140i B58 16-19
4.5' Exhaust Decat Downpipe compatible with BMW 2 Series M240i B58 15+
made from high quality Stainless Steel
this Decat Downpipe will unlock more power from your M240i. By allowing gas to flow freely through the exhaust
our 4.5' Exhaust Decat Downpipe improves both power and throttle response.
Manufactured from highest quality T304 grade stainless steel
Mandrel bent and fully TIG welded for strength and durability
New

Gravity 4.5 Exhaust Decat Downpipe – BMW 1 Series F20 M140i B58 16-19

£210.99 inc VAT (£175.83 + VAT)

Manufactured from highest quality T304 grade stainless steel
Mandrel bent and fully TIG welded for strength and durability
Free flowing catalyst replacement to get the most from the B58 engine
Designed to improve power and torque across the entire RPM range

 

 
Our 4.5′ Exhaust Decat Downpipe compatible with BMW 1 Series F20 M140i B58 16-19, manufactured from T304 Stainless Steel for maximum durability and strength, produces instant power gains across the rev range. this 4.5′ Exhaust Decat Downpipe improves gas flow, thus improving throttle response and torque as a result.

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 01/09/2026

SKU: Gravity/GPED046A Category: Brand:

More Information

Product Information

  • BMW 1 Series M140i B58 2015+ models

Fitments

  • Manufactured from highest quality T304 grade stainless steel
  • Mandrel bent and fully TIG welded for strength and durability
  • Free flowing catalyst replacement to get the most from the B58 engine
  • Designed to improve power and torque across the entire RPM range

 


 

Our 4.5″ Exhaust Decat Downpipe compatible with BMW 1 Series F20 M140i B58 16-19, manufactured from T304 Stainless Steel for maximum durability and strength, produces instant power gains across the rev range. this 4.5″ Exhaust Decat Downpipe improves gas flow, thus improving throttle response and torque as a result.

Weight 3.5 kg
Sensor Ports

2

Flexi-Joint

1

Length (mm)

620

Pipe Bore 1 (mm)

110mm – 76mm

Tech Specs

Specification

Category Decats
Brand Gravity
MPN

GPED046A

Ratings