Akrapovic Exhaust System for BMW M3/M4 (G8X)

Primary Components:

Akrapovic Slip-On Line (Titanium) for BMW M3 / M4 (G80, G81, G82, G83) (S-BM/TI/33H)

This high-grade lightweight titanium system, finished with hand-crafted carbon-fibre tailpipes, weighs in at 35% lighter than stock and features a pair of collectors cast in the in-house foundry. The Slip-On Line (Titanium) comes with a specially developed Akrapovic control kit for a complete sound experience. The sound character offers a rich tone at normal cruising, rising to a deep sporty sound when the M3/M4 is driven more dynamically. It serves up a perfect sound at all rpms, delivering comfort and sportiness in one exhaust. A ground-breaking octagonal shape has been fashioned from lightweight titanium with a carbon-fibre outer sleeve for the tailpipes, and for more traditional buyers there is the classic cylindrical design.

The system delivers power increases of 8.0 kW (10.9 hp) at 6,000 rpm and a torque gain of 13.9 Nm at 5,000 rpm when tested on the Akrapovic dyno against a BMW M4 Competition with a standard stock exhaust. Remapping is not needed for this configuration, and it fits all vehicles (OPF and non-OPF), but the ECE certificate is valid only for cars equipped with an OPF filter.

Optional link pipes and downpipes are available for customers looking to change the exhaust for closed circuit usage. An optional Akrapovic Sound Kit is also available. With the installation of the optional link pipes, downpipes, and Akrapovic Sound Kit, ECE type approval of the Slip-On Line (Titanium) is no longer valid. An optional hand-crafted carbon-fibre rear diffuser is also available to add an extra visual impact to the Akrapovic tailpipes.

The exhaust system also fits on xDrive, CSL, M3 Touring (G81), M4 (G83) Competition and Convertible models. The ECE type-approval certificate is not valid for CSL model.

The product also fits on M3 and M4 LCI versions.

The Slip-On Line (Titanium) exhaust system is ECE type approved for cars equipped with an Otto/gasoline particulate filter.

The Tail Pipe Set (Carbon) has to be ordered separately as a mandatory part. Please choose TP-CT/69, TP-CT/68 or TP-CT/73/CF.

Technical Data

Unit	Stock	Akrapovic	Max gain
kW	376.0 / 6200 rpm	382.0 / 6200 rpm	+ 8.0 / 6000 rpm
HP (m)	511.2 / 6200 rpm	519.4 / 6200 rpm	+ 10.9 / 6000 rpm
HP (i)	504.2 / 6200 rpm	512.3 / 6200 rpm	+ 10.7 / 6000 rpm
Nm	650.2 / 4350 rpm	660.8 / 4450 rpm	+ 13.9 / 5000 rpm
lb-ft	479.6 / 4350 rpm	487.4 / 4450 rpm	+ 10.3 / 5000 rpm
kg	23.5	15.3	- 8.3
lb	51.9	33.7	- 18.2
%			- 35.0
min		240

Mandatory Components:

Akrapovic Carbon Tail Pipe Set for BMW M2 Coupe (G87) (TP-CT/68)

A ground-breaking octagonal shape has been fashioned from lightweight titanium with a carbon-fibre outer sleeve, totally in keeping with lines of the car. For more traditional buyers, there is the classic cylindrical design, also constructed from same materials, but featuring an update to the current range of tailpipes for BMW cars available from Akrapovic.

This product fits on xDrive, CSL, LCI, M3 Touring (G81), M4 (G83) Competition and Convertible models.

Akrapovic Carbon Tail Pipe Set for BMW M2 Coupe (G87) (TP-CT/69)

A ground-breaking octagonal shape has been fashioned from lightweight titanium with a carbon-fibre outer sleeve, totally in keeping with lines of the car. For more traditional buyers, there is the classic cylindrical design, also constructed from same materials, but featuring an update to the current range of tailpipes for BMW cars available from Akrapovic.

This product fits on xDrive, CSL, LCI, M3 Touring (G81), M4 (G83) Competition and Convertible models.

Akrapovic Chopped Carbon Tail Pipe Set for G8X M2/M3 (TP-CT/73/CF)

A ground-breaking octagonal shape has been fashioned from lightweight titanium with a chopped carbon-fibre outer sleeve, totally in keeping with lines of the car. For more traditional buyers, there is the classic cylindrical design, also constructed from same materials, but featuring an update to the current range of tailpipes for BMW cars available from Akrapovic.

The product also fits on M3 and M4 LCI versions.

Optional Components:

Akrapovic Evolution Link Pipe Set (Titanium) for BMW G8X M3/M4 (E-BM/T/12)

Evolution Link Pipe Set (Titanium) was tested and developed together with Slip-On Line (Titanium).

Constructed from high-grade titanium, this noticeably lighter-than-stock link pipe features a resonator in the middle part. Available for all countries (United States excluded), the link pipe delivers a power gain of 17.7 kW (24.1 hp) at 6,650 rpm and torque increases of 25.4 Nm at 6,650 rpm when tested on the Akrapovic dyno against a BMW M4 Competition (OPF/GPF) with a standard stock exhaust. Combined with a Slip-On Line (Titanium) delivering a deep, rich, and sporty sound without drone, it totally embraces the pure turbocharged inline six-cylinder sound. Remapping is mandatory. This product is meant for racetrack use and closed courses only.

This product fits on OPF and non-OPF vehicles.

The Evolution Link Pipe set (Titanium) – Long also fits on xDrive, CSL, LCI, M3 Touring (G81), M4 (G83) Competition and Convertible models.

THIS PRODUCT DOES NOT MEET EMISSION COMPLIANCE REQUIREMENTS FOR STREET OR HIGHWAY USE.

Technical Data

Unit	Stock	Akrapovic	Max gain
kW	376.0 / 6200 rpm	389.6 / 6650 rpm	+ 17.7 / 6650 rpm
HP (m)	511.2 / 6200 rpm	529.7 / 6650 rpm	+ 24.1 / 6650 rpm
HP (i)	504.2 / 6200 rpm	522.5 / 6650 rpm	+ 23.7 / 6650 rpm
Nm	650.2 / 4350 rpm	666.4 / 4300 rpm	+ 25.4 / 6650 rpm
lb-ft	479.6 / 4350 rpm	491.5 / 4300 rpm	+ 18.7 / 6650 rpm
kg	13.5	5.0	- 8.4
lb	29.7	11.1	- 18.6
%			- 62.7
min		90

Akrapovic Evolution Link Pipe set (SS) Long for G8X M2 / M3 / M4 (E-BM/SS/9)

Evolution Link Pipe Set (SS) was tested and developed together with Slip-On Line (Titanium).

Constructed from high-grade stainless steel, this noticeably lighter-than-stock link pipe features a resonator in the middle part and removes the secondary set of catalytic converters. Available for all countries (United States excluded), the link pipe delivers a power gain of 13.4 kW (18.2 hp) at 5,850 rpm and torque increases of 21.9 Nm at 5,850 rpm when tested on the Akrapovic dyno against a BMW M2 (OPF/GPF) with a standard stock exhaust. Combined with a Slip-On Line (Titanium) delivering a deep, rich, and sporty sound without drone, it totally embraces the pure turbocharged inline six-cylinder sound. Remapping is mandatory as the stock secondary catalytic converters are removed. This product is meant for racetrack use and closed courses only.

This product fits on OPF and non-OPF vehicles.

THIS PRODUCT DOES NOT MEET EMISSION COMPLIANCE REQUIREMENTS FOR STREET OR HIGHWAY USE.

Technical Data

Unit	Stock	Akrapovic	Max gain
kW	334.9 / 6550 rpm	345.6 / 6650 rpm	+ 13.4 / 5850 rpm
HP (m)	455.3 / 6550 rpm	469.9 / 6650 rpm	+ 18.2 / 5850 rpm
HP (i)	449.1 / 6550 rpm	463.5 / 6650 rpm	+ 18.0 / 5850 rpm
Nm	539.9 / 4450 rpm	557.3 / 5300 rpm	+ 21.9 / 5850 rpm
lb-ft	398.2 / 4450 rpm	411.0 / 5300 rpm	+ 16.2 / 5850 rpm
kg	13.5	7.7	- 5.8
lb	29.7	17.0	- 12.7
%			- 42.8
Yes: For perfect performance, throttle response and durability, special developed mapping has to be used.	Yes: For perfect performance, throttle response and durability, special developed mapping has to be used.	Yes: For perfect performance, throttle response and durability, special developed mapping has to be used.	Yes: For perfect performance, throttle response and durability, special developed mapping has to be used.

Akrapovic Evolution Link Pipe set (Titanium) Short for G8X M2 / M3 / M4 (E-BM/T/14)

Constructed from high-grade titanium, this lighter-than-stock link pipe is available for the United States only, the link pipe is shorter, allowing the stock catalytic converters to remain on the car. Combined with a Slip-On Line (Titanium) and delivering a deep, rich, and sporty sound without drone, it totally embraces the pure turbocharged inline six-cylinder sound. Remapping is mandatory. This product is meant for racetrack use and closed courses only.

This product fits only on NON-OPF vehicles.

The product also fits on M3 and M4 LCI versions.

THIS PRODUCT DOES NOT MEET EMISSION COMPLIANCE REQUIREMENTS FOR STREET OR HIGHWAY USE.

Technical Data

Unit	Stock	Akrapovic	Max gain
kW	376.0 / 6200 rpm	389.6 / 6650 rpm	+ 17.7 / 6650 rpm
HP (m)	511.2 / 6200 rpm	529.7 / 6650 rpm	+ 24.1 / 6650 rpm
HP (i)	504.2 / 6200 rpm	522.5 / 6650 rpm	+ 23.7 / 6650 rpm
Nm	650.2 / 4300 rpm	666.4 / 4350 rpm	+ 25.4 / 6650 rpm
lb-ft	479.6 / 4300 rpm	491.5 / 4350 rpm	+ 18.7 / 6650 rpm
kg	6.1	4.3	- 1.8
lb	13.5	9.5	- 4.0
%			- 29.2
min		120

Akrapovic Downpipe w Cat (SS) for BMW G8X M3/M4 (DP-BM/SS/8)

Developed to be used in conjunction with the Akrapovic Slip-On Line (Titanium) and the Evolution Link Pipe Set (Titanium), this high-quality stainless steel downpipe set features a pair of sporty catalytic converters (200 cpsi) with heat insulation. The front part of the downpipes is cast in the in-house foundry, providing a perfect fit. Delivering a pure racing sound full of emotion, this provides great feedback at high revs, without drone. Remapping the ECU is mandatory to prevent potential check engine light warning signals. This product is meant for racetrack closed course use only.

This product fits on xDrive, CSL, LCI, M3 Touring (G81), M4 (G83) Competition and Convertible models.

THIS PRODUCT DOES NOT MEET EMISSION COMPLIANCE REQUIREMENTS FOR STREET OR HIGHWAY USE.

Technical Data

Unit	Stock	Akrapovic	Max gain
kg	8.2	6.7	- 1.5
lb	18.0	14.8	- 3.2
%			- 18.0
min		180.0

Akrapovic Downpipe w/o Cat (SS) for BMW G8X M3/M4 (DP-BM/SS/9)

Developed to be used in conjunction with the Akrapovic Slip-On Line (Titanium) and the Evolution Link Pipe Set (Titanium), this high-quality stainless-steel downpipe has the catalytic converters removed. Delivering a pure racing sound full of emotion, this provides great feedback at high revs, without drone. Remapping the ECU is mandatory to prevent potential check engine light warning signals. This product is meant for racetrack closed course use only.

This product fits on xDrive, CSL, LCI, M3 Touring (G81), M4 (G83) Competition and Convertible models.

THIS PRODUCT DOES NOT MEET EMISSION COMPLIANCE REQUIREMENTS FOR STREET OR HIGHWAY USE.

Technical Data

Unit	Stock	Akrapovic	Max gain
kg	8.2	3.7	- 4.5
lb	18.0	8.2	- 9.8
%			- 54.7
min		180.0

Akrapovic Sound Kit for BMW G8X M3/M4 (P-HF1384)

The optional Akrapovic Sound Kit enables owners of selected Akrapovic car exhausts to control the sound of the system from the cockpit of their machine. Using Akrapovic technology, drivers can easily switch between the quiet mode and a sportier sound. With the use of a receiver to drive the actuators that open or close the valves at the end of the exhaust system, drivers can use the Sound Remote Controller to regulate the valves.

With the use of the optional Akrapovic Sound Kit, the ECE type approval is no longer valid.

The product also fits on M3 and M4 LCI versions.

Pictures are symbolic.

Technical Data

Unit	Stock	Akrapovic	Max gain
min		90

Akrapovic Rear Carbon Fibre Diffuser - Gloss for BMW G8X M3/M4 (DI-BM/CA/9/G)

This product fits on xDrive, CSL, LCI and M4 (G83) Competition models.

Technical Data

Unit	Stock	Akrapovic	Max gain
kg	1.4	0.7	- 0.7
lb	3.0	1.6	- 1.4
%			- 48.2
min		60.0

Akrapovic Rear Carbon Fibre Diffuser - Gloss Black for BMW G8X M3/M4 (DI-BM/CA/9/GB)

For extra visual impact, there is the option to add a hand-crafted carbon fibre diffuser. Produced in-house, this lightweight accessory – with ABE type approval – is designed to show off the tailpipes of the Akrapovic exhaust at their absolute best. A new feature is offered with this updated version of the diffuser: a high gloss black painted frame integrates the diffuser with the rear part of the vehicle.

This product fits also on xDrive, CSL, LCI and M4 (G83) Competition models.

Akrapovic Rear Chopped Carbon Fibre Diffuser - Matte for BMW G8X M3/M4 (DI-BM/CA/9/CF)

For extra visual impact, there is the option to add a hand-crafted chopped carbon fibre diffuser. Produced in-house, this lightweight accessory – with ABE type approval – is designed to show off the tailpipes of the Akrapovic exhaust at their absolute best.

This product fits on xDrive, CSL, LCI and M4 (G83) Competition models.

Technical Data

Unit	Stock	Akrapovic	Max gain
min		60

Fitments

Akrapovic Exhaust System for BMW M3/M4 (G80, G81, G82, G83) - AKRA-BMW-22-KIT

Primary Components Fitment:

S-BM/TI/33H

BMW - M3 (G80, G81) (2021 - 2025)
BMW - M3 (G80, G81) - OPF/GPF (2021 - 2025)
BMW - M4 (G82, G83) (2021 - 2025)
BMW - M4 (G82, G83) - OPF/GPF (2021 - 2025)

Mandatory Components Fitment:

TP-CT/68

BMW - M2 Coupe (G87) (2023 - 2025)
BMW - M2 Coupe (G87) - OPF/GPF (2023 - 2025)
BMW - M3 (G80, G81) (2021 - 2025)
BMW - M3 (G80, G81) - OPF/GPF (2021 - 2025)
BMW - M4 (G82, G83) (2021 - 2025)
BMW - M4 (G82, G83) - OPF/GPF (2021 - 2025)

TP-CT/69

BMW - M2 Coupe (G87) (2023 - 2025)
BMW - M2 Coupe (G87) - OPF/GPF (2023 - 2025)
BMW - M3 (G80, G81) (2021 - 2025)
BMW - M3 (G80, G81) - OPF/GPF (2021 - 2025)
BMW - M4 (G82, G83) (2021 - 2025)
BMW - M4 (G82, G83) - OPF/GPF (2021 - 2025)

TP-CT/73/CF

BMW - M2 Coupe (G87) (2023 - 2025)
BMW - M2 Coupe (G87) - OPF/GPF (2023 - 2025)
BMW - M3 (G80, G81) (2021 - 2025)
BMW - M3 (G80, G81) - OPF/GPF (2021 - 2025)
BMW - M4 (G82, G83) (2021 - 2025)
BMW - M4 (G82, G83) - OPF/GPF (2021 - 2025)

Optional Components Fitment:

E-BM/T/12

BMW - M2 Coupe (G87) (2023 - 2025)
BMW - M2 Coupe (G87) - OPF/GPF (2023 - 2025)
BMW - M3 (G80, G81) (2021 - 2025)
BMW - M3 (G80, G81) - OPF/GPF (2021 - 2025)
BMW - M4 (G82, G83) (2021 - 2025)
BMW - M4 (G82, G83) - OPF/GPF (2021 - 2025)

E-BM/SS/9

BMW - M3 (G80, G81) (2021 - 2025)
BMW - M3 (G80, G81) - OPF/GPF (2021 - 2025)
BMW - M4 (G82, G83) (2021 - 2025)
BMW - M4 (G82, G83) - OPF/GPF (2021 - 2025)
BMW - M2 Coupe (G87) (2023 - 2025)
BMW - M2 Coupe (G87) - OPF/GPF (2023 - 2025)

E-BM/T/14

BMW - M2 Coupe (G87) (2023 - 2025)
BMW - M3 (G80, G81) (2021 - 2025)
BMW - M4 (G82, G83) (2021 - 2025)

DP-BM/SS/8

BMW - M2 Coupe (G87) (2023 - 2025)
BMW - M2 Coupe (G87) - OPF/GPF (2023 - 2025)
BMW - M3 (G80, G81) (2021 - 2025)
BMW - M3 (G80, G81) - OPF/GPF (2021 - 2025)
BMW - M4 (G82, G83) (2021 - 2025)
BMW - M4 (G82, G83) - OPF/GPF (2021 - 2025)

DP-BM/SS/9

BMW - M2 Coupe (G87) (2023 - 2025)
BMW - M2 Coupe (G87) - OPF/GPF (2023 - 2025)
BMW - M3 (G80, G81) (2021 - 2025)
BMW - M3 (G80, G81) - OPF/GPF (2021 - 2025)
BMW - M4 (G82, G83) (2021 - 2025)
BMW - M4 (G82, G83) - OPF/GPF (2021 - 2025)

P-HF1384

BMW - M2 Coupe (G87) (2023 - 2025)
BMW - M2 Coupe (G87) - OPF/GPF (2023 - 2025)
BMW - M3 (G80, G81) (2021 - 2025)
BMW - M3 (G80, G81) - OPF/GPF (2021 - 2025)
BMW - M4 (G82, G83) (2021 - 2025)
BMW - M4 (G82, G83) - OPF/GPF (2021 - 2025)

DI-BM/CA/9/G

BMW - M3 (G80, G81) (2021 - 2025)
BMW - M3 (G80, G81) - OPF/GPF (2021 - 2025)
BMW - M4 (G82, G83) (2021 - 2025)
BMW - M4 (G82, G83) - OPF/GPF (2021 - 2025)

DI-BM/CA/9/GB

BMW - M3 (G80, G81) (2021 - 2025)
BMW - M3 (G80, G81) - OPF/GPF (2021 - 2025)
BMW - M4 (G82, G83) (2021 - 2025)
BMW - M4 (G82, G83) - OPF/GPF (2021 - 2025)

DI-BM/CA/9/CF

BMW - M3 (G80, G81) (2021 - 2025)
BMW - M3 (G80, G81) - OPF/GPF (2021 - 2025)
BMW - M4 (G82, G83) (2021 - 2025)
BMW - M4 (G82, G83) - OPF/GPF (2021 - 2025)

BELLTECH 4924 BUMP STOP KIT - UNIVERSAL CONE 3.01 INCH TALL X 2.5 INCH OD

Description

Product Disclaimers:

4 Degree Pinion Shims for Pickups with 2.5" & 3" Wide Leaf Springs

Fitments

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