Gravity Performance

Search By Vehicle

Exhaust Back Boxes

Exhaust back boxes are an important component of a vehicle’s exhaust system, designed to reduce noise and improve exhaust flow. Upgrading to a high-performance back box can increase horsepower and improve the overall driving experience.

Showing results for Category: Exhaust Back Boxes

Shop By Category

All Category’s
Exhaust DPF Delete Downpipe – BMW 3 Series N47 E90 / E91 / E92 / E93 320D 04-13
Original price was: £189.99.Current price is: £179.99.
Exhaust Back Box – BMW 3 Series E46 320 / 325 / 330 M54 6 Cylinder Models 98-06
Original price was: £219.99.Current price is: £209.99.
Exhaust Back Box – Toyota Celica GT 1.8 99-05
Original price was: £209.99.Current price is: £199.99.
Rated 5.00 out of 5
Exhaust Back Box – Mazda MX5 MK3 NC 1.8 2.0 06-15
Original price was: £259.99.Current price is: £249.99.
2.5″ 200 CPI Sports Cat Downpipe – BMW Mini Cooper S R56 06-13
Original price was: £204.99.Current price is: £194.99.
Stainless Rear Back Box For Porsche Boxster S 986 2.5 / 2.7 / 3.2 96-04
Original price was: £199.99.Current price is: £189.99.
Exhaust Back Box – Toyota Celica GTS ZZT T230 1.8 99-05
Original price was: £209.99.Current price is: £199.99.
Rated 4.67 out of 5
3″ Exhaust Flexi Downpipe – Mitsubishi Lancer Evo 7 / 8 / 9 01-07
Original price was: £159.99.Current price is: £149.99.
3″ Exhaust Downpipe – Audi TT Mk1 8N 1.8T 225Bhp 98-06
Original price was: £159.99.Current price is: £149.99.
Exhaust Back Box – Rover MG-TF 1.6 02-05
Original price was: £229.99.Current price is: £219.99.
Exhaust DPF Delete Downpipe – BMW 3 5 Series X5 / X6 E90 / E91 / E60 / E70 3.0D M57 06-11
Original price was: £184.99.Current price is: £174.99.
3″ Exhaust Downpipe – Audi A4 B8 A5 Q5 S Line 2.0 TFSI 08-12
Original price was: £99.99.Current price is: £89.99.
2.5″ Exhaust Downpipe Flexi Pipe – Audi TT 8N MK1 / Volkswagen Golf MK4 3.2 V6 R32 03-06
Original price was: £149.99.Current price is: £139.99.
3″ Exhaust Downpipe – Ford Focus MK2 ST 05-11
Original price was: £174.99.Current price is: £164.99.
2″ Exhaust Downpipe – Audi TT 8N MK1 1.8T 180 BHP Quattro 98-06
Original price was: £139.99.Current price is: £129.99.
Exhaust Back Box – BMW 3 Series E36 M3 3.0 / 3.2 95-98
Original price was: £249.99.Current price is: £219.99.
3″ Exhaust Downpipe – Seat Leon Cupra R 1M 1.8T 03-06
Original price was: £159.99.Current price is: £149.99.
Exhaust Back Box – Honda Civic EG EK 1.4 / 1.6 3 Door Hatch 92-00
Original price was: £209.99.Current price is: £199.99.
Exhaust DPF Delete Downpipe – Ford Focus MK3 1.6 TDCi 12-15
Original price was: £139.99.Current price is: £129.99.
Exhaust Back Box Delete – Toyota GT86 / Subaru BRZ / Scion FR-S FA20 12+
Original price was: £229.99.Current price is: £219.99.
3″ Exhaust DPF Delete Downpipe – BMW 5 Series E60 E61 520D M47N2 05-06
Original price was: £139.99.Current price is: £119.99.
3″ Exhaust Downpipe – Ford Focus MK2 ST225 05-11
Original price was: £174.99.Current price is: £164.99.
Exhaust DPF Delete Downpipe – BMW 5 Series E60 / E61 535D 286BHP 04-10
Original price was: £209.99.Current price is: £199.99.
2.5″ Exhaust Downpipe – Ford Focus MK2 RS / Focus MK2 ST ST225 05-11
Original price was: £154.99.Current price is: £144.99.

Showing 49–62 of 62 results

Sale!

3″ Exhaust Downpipe – Nissan Skyline R34 GTT 92-02

Original price was: £124.99.Current price is: £114.99.
Sale!

3″ Exhaust Downpipe – Nissan Skyline R34 GTT 92-02

Manufactured from highest quality T304 grade stainless steel Mandrel bent and fully TIG welded for strength and durability 3" throughout to fit most aftermarket exhaust systems Larger bore than OEM to unlock more potential Designed to fit between the turbo elbow and catalytic converter

Original price was: £124.99.Current price is: £114.99.
Sale!

Exhaust Turbo Elbow – Nissan Silvia 200SX S14A SR20DET 96-00

Original price was: £119.99.Current price is: £109.99.
Sale!

Exhaust Turbo Elbow – Nissan Silvia 200SX S14A SR20DET 96-00

Manufactured from highest quality T304 grade stainless steel Mandrel bent and fully TIG welded for strength and durability Aiding turbo spool up time and reducing turbo lag Smooth flowing design allows exhaust gasses to exit the turbo faster Designed to improve power and torque across the entire RPM range

Original price was: £119.99.Current price is: £109.99.
Out of stock

3″ Top Mount Single Turbo Conversion Exhaust – Toyota Supra Mk3 Mk4 1JZ 2JZ

Original price was: £119.99.Current price is: £99.99.
Out of stock

3″ Top Mount Single Turbo Conversion Exhaust – Toyota Supra Mk3 Mk4 1JZ 2JZ

Manufactured from highest quality T304 grade stainless steel Mandrel bent and fully TIG welded for strength and durability Designed for mounting a single turbo in a top-mount position (turbo & manifold not included) Mounts to 3" V band exhaust housing and stock exhaust system

Original price was: £119.99.Current price is: £99.99.
Sale!

Exhaust Turbo Elbow & Link Pipe – Mitsubishi Lancer Evo 10 X 07-16

Original price was: £249.99.Current price is: £239.99.
Sale!

Exhaust Turbo Elbow & Link Pipe – Mitsubishi Lancer Evo 10 X 07-16

Gravity Performance Turbo Elbows provide less restrictive air flow, improving turbo spool and reducing turbo lag. Supplied with a down pipe as well, the full kit ensures optimal flow through to the exhaust for added performance gains. Built in flexi to reduce exhaust strain Noticeably improves throttle response Manufactured from highest quality T304 grade stainless steel Mandrel bent and fully TIG welded for strength and durability Designed to improve power and torque across the entire RPM range

Original price was: £249.99.Current price is: £239.99.
Sale!

Exhaust Resonator Delete Pipe – Audi A1 8X 1.4 TFSI 10-18

Original price was: £114.99.Current price is: £104.99.
Sale!

Exhaust Resonator Delete Pipe – Audi A1 8X 1.4 TFSI 10-18

Gravity Exhaust centre sections are designed in house using the OEM mounting points to ensure smooth fitment every time. Using the highest quality T304 stainless steel for performance and durability. Manufactured from high quality T304 grade stainless steel Mandrel bent and fully TIG welded for strength and durability Replaces the resonator after the catalytic converter Suitable replacement for a deteriorated OEM pipe Gives your A1 more volume and a sportier exhaust tone

Original price was: £114.99.Current price is: £104.99.
Out of stock

2.5″ Exhaust DPF Delete Downpipe – Volkswagen Transporter T6 2.0 TDi 150bhp 15+

Original price was: £249.99.Current price is: £229.99.
Out of stock

2.5″ Exhaust DPF Delete Downpipe – Volkswagen Transporter T6 2.0 TDi 150bhp 15+

Manufactured from high quality T304 grade stainless steel Mandrel bent and fully TIG welded for strength and durability Free flowing DPF replacement to get the most from the 2.0L TDI Designed to improve power and torque across the entire RPM range Sold for off road and track use only

Original price was: £249.99.Current price is: £229.99.
Sale!

Exhaust Turbo Elbow – Nissan Skyline R32 RB20 2.0 / R33 RB25 2.5 / R34

Original price was: £149.99.Current price is: £139.99.
Sale!

Exhaust Turbo Elbow – Nissan Skyline R32 RB20 2.0 / R33 RB25 2.5 / R34

Manufactured from high quality T304 grade stainless steel Mandrel bent and fully TIG welded for strength and durability High quality stainless steel elbow to replace the standard unit By using a smoother flowing design the exhaust gasses exit the turbo faster Designed to speed up spool up time and reducing turbo lag

Original price was: £149.99.Current price is: £139.99.
Out of stock

Exhaust Back Box – BMW 3 Series E46 M3 3.2 00-06

Original price was: £279.99.Current price is: £249.99.
Out of stock

Exhaust Back Box – BMW 3 Series E46 M3 3.2 00-06

Manufactured from highest quality T304 grade stainless steel Free flowing to get the most from the iconic 3.2L S54 engine Quad 3" polished tailpipes designed to fit the OEM rear valance Designed to improve power and torque across the entire RPM range Noticeably improves throttle response

Original price was: £279.99.Current price is: £249.99.
Out of stock

Exhaust Turbo Elbow – Nissan Silvia 200SX S13 Ca18Det 89-94

Original price was: £129.99.Current price is: £119.99.
Out of stock

Exhaust Turbo Elbow – Nissan Silvia 200SX S13 Ca18Det 89-94

Manufactured from highest quality T304 grade stainless steel Mandrel bent and fully TIG welded for strength and durability Smooth flowing design allows exhaust gasses to exit the turbo faster, aiding turbo spool up time and reducing turbo lag Designed to improve power and torque across the entire RPM range 63mm outlet

Original price was: £129.99.Current price is: £119.99.
Out of stock

2.75″ Exhaust GPF Delete Downpipe – Ford Puma ST 1.5T 2020+

Original price was: £154.99.Current price is: £134.99.
Out of stock

2.75″ Exhaust GPF Delete Downpipe – Ford Puma ST 1.5T 2020+

• Manufactured from highest quality T304 grade stainless steel • Mandrel bent and fully TIG welded for strength and durability • Designed and tested in house ensuring a secure and accurate fit • Easy modification to offer more power and increased noise from your ST • Sold for off-road / track use only

Original price was: £154.99.Current price is: £134.99.
Sale!

2.5″ 200 CPI Sports Cat Downpipe – Citroen DS3 1.6 16v 2010-2019

Original price was: £204.99.Current price is: £194.99.
Sale!

2.5″ 200 CPI Sports Cat Downpipe – Citroen DS3 1.6 16v 2010-2019

Manufactured from high quality T304 grade stainless steel Mandrel bent and fully TIG welded for strength and durability CNC machined flanges for strong, solid support and an accurate fit Designed to reduce turbo spool and increase horsepower capability Built in non type approved 200cpi sports cat     2.5" 200 CPI Sports Cat Downpipe compatible with Citroen DS3 1.6 16v 2010-2019, TIG welded and constructed from T304 Stainless Steel, replaces the more restrictive OEM downpipe with a more free flowing pipe. With a built in sports cat, our 2.5" 200 CPI Sports Cat Downpipe produces a multitude of benefits, including

Original price was: £204.99.Current price is: £194.99.
Sale!

3″ Exhaust Downpipe – Nissan Skyline R33 GTST 2.5 Turbo 93-00

Original price was: £104.99.Current price is: £94.99.
Sale!

3″ Exhaust Downpipe – Nissan Skyline R33 GTST 2.5 Turbo 93-00

Manufactured from high quality T304 polished stainless steel Fully polished with a 3" bore through out to fit most aftermarket systems Mandrel bent and tig welded for strength and durability 3" bore all the way through for maximum exhaust flow Designed to fit between the turbo elbow and catalytic converter

Original price was: £104.99.Current price is: £94.99.
Out of stock

Exhaust Back Box – Fiat 500 595 1.4 Abarth 08-18

Original price was: £249.99.Current price is: £219.99.
Out of stock

Exhaust Back Box – Fiat 500 595 1.4 Abarth 08-18

Manufactured from highest quality T304 grade stainless steel Mandrel bent and fully TIG welded for strength and durability Mirror polished all the way through, not just the tailpipes! 4" Polished tailpipes designed to fit the OEM rear valance We recommend all exhaust components are fitted by a qualified mechanic to ensure the correct fitment

Original price was: £249.99.Current price is: £219.99.
Out of stock

Exhaust Turbo Elbow – Mitsubishi Lancer Evo 7 / 8 / 9 01-07

Original price was: £119.99.Current price is: £99.99.
Out of stock

Exhaust Turbo Elbow – Mitsubishi Lancer Evo 7 / 8 / 9 01-07

Made from high quality T304 mandrel bent stainless steel Mandrel bent and fully TIG welded for strength and durability Exit is 63mm (I/D) Dual chambered for the wastegate and exhaust gas Please note fitting instructions are not included

Original price was: £119.99.Current price is: £99.99.