Milltek Cat-Back Exhaust | BMW M240i G42
SKU: SSXBM1254
Parts
- MSBM338: Rear Silencer Assembly - MSBM338
- MSBM339: LH Outlet Pipe to OE Trims - MSBM339
- MSBM340: RH Valved Outlet Pipe to OE Trims - MSBM340
- MSBM344: GPF|OPF Bypass Section - MSBM344
- MSBM398: LH Connecting Pipe
- MSBM399: RH Connecting Pipe
- MSBM400: LH Connecting Pipe
- MSBM401: RH Connecting Pipe
- MSBM409: Front Connecting Pipe (Slip Joint)
Documents
Description
Milltek Cat-Back Exhaust System engineered for BMW M Series performance cars. Direct factory fitment using OEM hangers and mounting points - no modification required. Exits through the original outlet for seamless integration with your vehicle's rear bumper design.
Hand-finished T304L stainless steel construction with mandrel-bent piping throughout. Each system is dyno-tested and tuned to deliver measurable power gains while preserving OE+ fitment and daily drivability. Available in resonated and non-resonated configurations to match your driving environment.
Milltek exhausts are engineered to exhilarate - real performance, real sound character, real durability.
Designed and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.
Key Facts
| Pipe Diameter | 76.20 |
| 2 to 2.5 hours to fit (including removing OE system) | |
| Race Product | No |
| EMarked | No |
System Fitment List
Shipping Information
This system ships in 1 box.
Similar Products

Milltek Cat-Back Exhaust | BMW M240i G42 - Quad GT-100 Polished Tips
SSXBM1253
Total
$3356.59
$2718.84
$3356.59
$2718.84

Milltek Cat-Back Exhaust | BMW M240i G42 - Quad GT-100 Cerakote Black Tips
SSXBM1252
Total
$3611.25
$2925.11
$3611.25
$2925.11

Optional upgrade for Existing Axle Back System - NAS Model Only
SSXBM1237
Total
$824.97
$668.22
$824.97
$668.22
Best Sellers

Milltek Road+ Cat-Back Exhaust | VW Golf MK7.5 GTI
SSXVW470MP
Total
$1735.54
$1405.79
$1735.54
$1405.79

Milltek Race 80mm Cat-Back Exhaust | VW Golf MK8 GTI
SSXVW681MP
Total
$1448.78
$1173.51
$1448.78
$1173.51
MO

Milltek Secondary Catalyst Bypass (Fits to OE System Only) | Porsche Cayenne 958 Turbo 4.8 V8 (Pre-Facelift)
SSXPO182
Total
$492.20
$398.68
$492.20
$398.68
MO

Milltek Valved & Non-Resonated Cat-Back Exhaust | Toyota GR Corolla 1.6T
SSXTY151MP
Total
$4272.51
$3460.73
$4272.51
$3460.73
EC

Milltek OPF/GPF Back Exhaust | Land Rover Defender 130 P300 P400e - Burnt Titanium Tips
SSXLR217
Total
$3710.76
$3005.71
$3710.76
$3005.71

Milltek Secondary Catalyst Bypass (Fits to OE System Only) | Porsche 958 Cayenne S 4.8 V8 (Non-Turbo)
SSXPO204
Total
$492.20
$398.68
$492.20
$398.68

Milltek Secondary Catalyst Bypass Exhaust | Ford Maverick 2.0T AWD
SSXFD547MP
Total
$202.98
$164.41
$202.98
$164.41

Milltek Secondary Cat-Back with Side Exit | Ford Maverick 2.0T AWD
SSXFD545MP
Total
$888.51
$719.69
$888.51
$719.69

Milltek Resonated Cat-Back Exhaust | VW Golf MK7 Alltrack 1.8TSI-Titanium Tips
SSXVW754
Total
$2111.11
$1710.00
$2111.11
$1710.00

Milltek HJS Hi-Flow Sports Cat (w/ Heat Wrap) | Chevrolet C8 Corvette Z06
SSXCH111
Total
$3321.28
$2690.24
$3321.28
$2690.24
