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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.

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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 25–48 of 62 results

Sale!

2.5″ Exhaust Downpipe – Ford Focus MK2 RS / Focus MK2 ST ST225 05-11

Original price was: £154.99.Current price is: £144.99.
Sale!

2.5″ Exhaust Downpipe – Ford Focus MK2 RS / Focus MK2 ST ST225 05-11

Manufactured from highest quality T304 grade stainless steel Mandrel bent and fully TIG welded for strength and durability Fully Polished with a 2.5" bore throughout  Designed with a Flexi to withstand any strain on the system Designed to fit the OEM and most aftermarket exhaust systems

Original price was: £154.99.Current price is: £144.99.
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Exhaust Dual Tailpipe – BMW 3 Series N47 F30 F31 4 Series F32 F33 F36

Original price was: £99.99.Current price is: £89.99.
Sale!

Exhaust Dual Tailpipe – BMW 3 Series N47 F30 F31 4 Series F32 F33 F36

Manufactured from highest quality T304 grade stainless steel Noticeably improves the outward appearance of the vehicle exhaust tailpipe Quick and easy upgrade from the OEM single tailpipe 2.75" Polished tailpipes to fit the OEM rear diffuser Please note fitting instructions are NOT included

Original price was: £99.99.Current price is: £89.99.
Sale!

3″ Exhaust Downpipe – Audi S3 8L 1.8T 225Bhp 96-03

Original price was: £159.99.Current price is: £149.99.
Sale!

3″ Exhaust Downpipe – Audi S3 8L 1.8T 225Bhp 96-03

Gravity Performance decats are made to completely replace the stock catalytic converter eliminating all restrictions. Our Performance decats improve throttle response and allow for improved exhaust flow increasing power and torque. Manufactured from highest quality T304 grade stainless steel Mandrel bent and fully TIG welded for strength and durability 3" - 2 x 2" Bore throughout for optimum exhaust flow Built in flexi joint helps reduce exhaust strain Fully polished throughout and designed to fit the OEM exhaust     3" Exhaust Downpipe compatible with Audi S3 8L 1.8T 225Bhp 96-03 is an ideal OEM replacement with its free flowing

Original price was: £159.99.Current price is: £149.99.
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3″ Exhaust Downpipe – Nissan Silvia 180SX 200SX S13 S14 SR20DET 89-00

Original price was: £129.99.Current price is: £119.99.
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3″ Exhaust Downpipe – Nissan Silvia 180SX 200SX S13 S14 SR20DET 89-00

Manufactured from high quality T304 grade polished stainless steel Mandrel bent and fully TIG welded for strength and durability Fully polished with a 3" bore throughout Built in flexi joint to help reduce strain on your exhaust Designed to fit most 3" aftermarket exhaust systems

Original price was: £129.99.Current price is: £119.99.
Sale!

Exhaust Back Box – Fiat 500 1.2 8V 07-13

Original price was: £139.99.Current price is: £129.99.
Sale!

Exhaust Back Box – Fiat 500 1.2 8V 07-13

Manufactured from highest quality T304 grade stainless steel Free flowing increasing volume of the 1.2L Fiat engine Mirror polished all the way through, not just the tailpipes! Designed to fit the OEM rear valance Easy and simple installation, ideal for any home mechanic

Original price was: £139.99.Current price is: £129.99.
Sale!

Exhaust Back Box – Rover MG-TF MK2 1.8 02-05

Original price was: £229.99.Current price is: £219.99.
Sale!

Exhaust Back Box – Rover MG-TF MK2 1.8 02-05

Gravity Performance Exhaust Back Boxes are designed in house to fit OEM mounting points for perfect fitment to your vehicle. Our Gravity Performance Exhausts greatly enhance the sound with a captivating exhaust note while also increasing performance. Manufactured from high quality T304 grade stainless steel Dual exit tips designed to fit the OEM rear diffuser Mandrel bent and fully TIG welded for strength and durability A free flowing exhaust is a great way to get the best out of the 1.8l engine Designed to improve power and torque across the entire RPM range     Exhaust Back Box compatible with

Original price was: £229.99.Current price is: £219.99.
Sale!

Exhaust DPF Delete Downpipe – BMW 3 Series E90 / E91 / E92 335D 286BHP

Original price was: £209.99.Current price is: £199.99.
Sale!

Exhaust DPF Delete Downpipe – BMW 3 Series E90 / E91 / E92 335D 286BHP

Manufactured from highest 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 M57N2 engine Designed to maximise the exhaust flow by helping the engine to breathe much easier Sold for off road and track use only     Exhaust DPF Delete Downpipe compatible with BMW 3 Series E90 / E91 / E92 335D models allows your M57N2 engine to breathe easier, releasing noticeably more power and torque. The Exhaust DPF Delete Downpipe replaces the restrictive DPF with a high quality and free flowing pipe

Original price was: £209.99.Current price is: £199.99.
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Exhaust Turbo Elbow – Nissan Silvia 200SX S14 SR20DET 93-03

Original price was: £129.99.Current price is: £119.99.
Sale!

Exhaust Turbo Elbow – Nissan Silvia 200SX S14 SR20DET 93-03

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

Original price was: £129.99.Current price is: £119.99.
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Exhaust Back Box – Smart ForTwo 0.6 / 0.7 Turbo

Original price was: £229.99.Current price is: £219.99.
Sale!

Exhaust Back Box – Smart ForTwo 0.6 / 0.7 Turbo

Manufactured from high quality T304 grade stainless steel Mandrel bent and fully TIG welded for strength and durability Mirror polished finish all the way through, not just the tailpipes Supplied with Rear Valance for Perfect fitment 2.5" Polished tips designed to fit the supplied valance

Original price was: £229.99.Current price is: £219.99.
Sale!

3″ Exhaust Downpipe – Ford Focus MK2 RS 09-11

Original price was: £174.99.Current price is: £164.99.
Sale!

3″ Exhaust Downpipe – Ford Focus MK2 RS 09-11

Manufactured from high quality T304 grade stainless steel Mandrel bent and fully TIG welded for strength and durability Designed with a 3" bore to meet most aftermarket exhaust systems Larger bore than the OEM to increase exhaust flow Designed with a flexi to reduce strain on the exhaust system     3" Exhaust Downpipe compatible with Ford Focus MK2 RS 09-11, designed with a built-in flexi to offer performance gains and long lasting reliability. Our 3" Exhaust Downpipe has a larger bore than OEM, meaning greater exhaust flow and therefore greater performance benefits.

Original price was: £174.99.Current price is: £164.99.
Sale!

3″ Exhaust Downpipe – Nissan Silvia 200SX S14A SR20DET 96-00

Original price was: £109.99.Current price is: £89.99.
Sale!

3″ Exhaust Downpipe – Nissan Silvia 200SX S14A SR20DET 96-00

Manufactured from high quality T304 grade stainless steel Mandrel bent and fully TIG welded for strength and durability 3" Bore throughout to fit most aftermarket exhaust systems Built in flexi joint helps reduce exhaust strain Designed to fit between the Turbo elbow and catalytic converter

Original price was: £109.99.Current price is: £89.99.
Out of stock

Exhaust Downpipe With Turbo Elbow – Nissan Skyline R33 GTST 2.5 Turbo 93-98

Original price was: £179.99.Current price is: £169.99.
Out of stock

Exhaust Downpipe With Turbo Elbow – Nissan Skyline R33 GTST 2.5 Turbo 93-98

Manufactured from high quality T304 stainless steel Mandrel bent and fully TIG welded for strength and durability Replaces both the turbo elbow and downpipe in one piece Free flowing to get the most from the RB25DETT engine Noticeably improves throttle response

Original price was: £179.99.Current price is: £169.99.
Out of stock

Exhaust Turbo Elbow Screamer Pipe – Mitsubishi Lancer Evo 4 5 6 96-01

Original price was: £149.99.Current price is: £119.99.
Out of stock

Exhaust Turbo Elbow Screamer Pipe – Mitsubishi Lancer Evo 4 5 6 96-01

Manufactured from highest quality T304 grade stainless steel Mandrel bent and fully TIG welded for strength and durability Screamer pipe with no restriction to keep the turbo spooling Designed to improve power and torque across the entire RPM range Noticeably improves throttle response

Original price was: £149.99.Current price is: £119.99.
Out of stock

3″ Exhaust Downpipe – Mitsubishi Lancer Evo 4 / 5 / 6 / IV /

Original price was: £149.99.Current price is: £119.99.
Out of stock

3″ Exhaust Downpipe – Mitsubishi Lancer Evo 4 / 5 / 6 / IV /

Manufactured from high quality T304 mirror polished stainless steel Mandrel bent and fully TIG welded for strength and durability Fitting between the Turbo elbow and Catalytic converter Built in flexi joint to help reduce strain on your exhaust components Fully polished 3" to match most aftermarket exhaust systems

Original price was: £149.99.Current price is: £119.99.
Out of stock

3″ Exhaust Downpipe – Mitsubishi Lancer Evo 4 5 6 4G63T 96-01

Original price was: £149.99.Current price is: £119.99.
Out of stock

3″ Exhaust Downpipe – Mitsubishi Lancer Evo 4 5 6 4G63T 96-01

Manufactured from high quality T304 stainless steel Mandrel bent and fully TIG welded for strength and durability 3"Bore throughout narrowing to 2.75" to fit the OEM and most aftermarket exhausts Built in Flexi reducing any strain on the exhaust system Designed to improve power and torque across the entire RPM range

Original price was: £149.99.Current price is: £119.99.
Sale!

2.5″ 200 CPI Sports Cat Downpipe – Peugeot RCZ 1.6 Turbo 09-15

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

2.5″ 200 CPI Sports Cat Downpipe – Peugeot RCZ 1.6 Turbo 09-15

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 Peugeot RCZ 1.6 Turbo 09-15, made from high quality Stainless Steel, is an ideal way to achieve performance gains. TIG welded with CNC machines flanges, our 2.5" 200 CPI Sports Cat Downpipe has a solid construction whilst improving throttle response, power and torque.

Original price was: £204.99.Current price is: £194.99.
Out of stock

2.75″ Exhaust GPF Delete Downpipe – Ford Fiesta MK8 ST 2018+

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

2.75″ Exhaust GPF Delete Downpipe – Ford Fiesta MK8 ST 2018+

• 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!

Exhaust DPF Delete Downpipe – Honda Civic FN Type S 2.2 CTDI 06-10

Original price was: £94.99.Current price is: £84.99.
Sale!

Exhaust DPF Delete Downpipe – Honda Civic FN Type S 2.2 CTDI 06-10

Mandrel bent and fully TIG welded for strength and durability CNC machined flanges to fit with the original exhaust system Built-in flexi joint to reduce strain on your exhaust Designed to increase power and torque across the entire RPM range Sold for off road and track use only

Original price was: £94.99.Current price is: £84.99.
Sale!

2.75″ Exhaust Downpipe – Vauxhall Calibra 4×4 2.0 16V Turbo C20LET 92-97

Original price was: £139.99.Current price is: £129.99.
Sale!

2.75″ Exhaust Downpipe – Vauxhall Calibra 4×4 2.0 16V Turbo C20LET 92-97

Gravity Performance Downpipes instantly increase power by allowing exhaust gasses to exit the vehicle quicker. Our Downpipes are designed to be direct replacements for OEM downpipes, ensuring smooth installation every time. Manufactured from the highest quality T304 grade stainless steel Mandrel bent and fully TIG welded for strength and durability Free-flowing bolt-on addition to the red tops exhaust system Built-in flexi reducing strain on the exhaust system Designed to fit between the turbo and catalytic converter

Original price was: £139.99.Current price is: £129.99.
Sale!

2.5″ 200 CPI Sports Cat Downpipe – Peugeot 207 GTI 1.6 Turbo 06-13

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

2.5″ 200 CPI Sports Cat Downpipe – Peugeot 207 GTI 1.6 Turbo 06-13

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     Our 2.5" 200 CPI Sports Cat Downpipe compatible with Peugeot 207 GTI 1.6 Turbo 06-13 is a great way to increase horsepower capability by replacing the restrictive downpipe with a more free flowing system. Achieve improved throttle response, power and torque throughout the RPM range with our 2.5" 200 CPI Sports Cat

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

Exhaust Back Box – Honda Civic EP3 2.0 Type R 01-05

Original price was: £194.99.Current price is: £184.99.
Sale!

Exhaust Back Box – Honda Civic EP3 2.0 Type R 01-05

Manufactured from highest quality T304 grade stainless steel Mandrel bent and fully TIG welded for strength and durability 2.5" Polished spoon style tailpipe 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: £194.99.Current price is: £184.99.
Sale!

3″ Exhaust Downpipe – Volvo C30 T5 2006+

Original price was: £174.99.Current price is: £164.99.
Sale!

3″ Exhaust Downpipe – Volvo C30 T5 2006+

Manufactured from high quality T304 grade stainless steel Mandrel bent and fully TIG welded for strength and durability Designed with a 3" bore to meet most aftermarket exhaust systems Larger bore than the OEM to increase exhaust flow Designed with a flexi to reduce strain on the exhaust system 3" Exhaust Downpipe compatible with Volvo C30 T5 2006+, made from high quality Stainless Steel, features a larger 3" bore to increase exhaust flow and help you get the most out of your C30. This 3" Exhaust Downpipe is designed to fit most aftermarket exhausts, meaning this is a great addition

Original price was: £174.99.Current price is: £164.99.
Out of stock

Exhaust Turbo Elbow – Mitsubishi Colt CZT / Smart Forfour Brabus 1.5 Turbo 02-15

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

Exhaust Turbo Elbow – Mitsubishi Colt CZT / Smart Forfour Brabus 1.5 Turbo 02-15

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 Significantly improves throttle response and power across the entire RPM range Smooth flowing design allows exhaust gasses to exit the turbo faster

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

Exhaust Resonator Delete Pipe – Skoda Fabia 5J VRS 1.4 TSI 10-14

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

Exhaust Resonator Delete Pipe – Skoda Fabia 5J VRS 1.4 TSI 10-14

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 Fabia more volume and a sportier exhaust tone

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