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BMW F36 440i xDrive B58 3.0L

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Your Vehicle BMW F36 440i xDrive B58 3.0L
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BMW F36 440i xDrive B58 3.0L Exhaust Parts & Accessories

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Downpipe / Catalytic Converter Installation Kit

ES#4780568 - 18328612537KT4 - Downpipe / Catalytic Converter Installation Kit - Everything you need to install a new downpipe/catalytic converter. - Genuine BMW - BMW

Everything you need to install a new downpipe/catalytic converter.

Brand:
Genuine BMW - Corporate Logo
ES#:
4780568
Mfg#:
18328612537KT4
Ships on Jan 19, 2027
$110.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Pre-Catalytic Converter

ES#4316399 - 11788644371 - Oxygen Sensor - Pre-Catalytic Converter - Bosch Upstream O2 Sensor - Bosch - BMW

Bosch Upstream O2 Sensor We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4316399
Mfg#:
11788644371
In Stock
$159.99

This product was last offered at the strikethrough price on
05-07-2026

$146.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

M Performance Exhaust/Power and Sound Kit

ES#3178375 - 11122444531 - M Performance Exhaust/Power and Sound Kit - Bring out the naturally amazing tone and power of your B58 powered BMW! - Genuine BMW M Performance - BMW

Bring out the naturally amazing tone and power of your B58 powered BMW!

Brand:
Genuine BMW M Performance - Corporate Logo
ES#:
3178375
Mfg#:
11122444531
Ships in 4 Business Days
$3514.60 USD
This product is lifetime replacement eligible Lifetime Replacement

MAD Performance 4.5" Catted Downpipe - B58

Less restriction, faster turbo spool, improved sound!

Brand:
MAD - Corporate Logo
ES#:
4643086
Mfg#:
MAD-3056
Ships in 6 Business Days
$650.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Downpipe Installation Kit

ES#4770389 - 18328612537KT - Downpipe Installation Kit - Everything you need to install your factory downpipe/catalytic converter. - Assembled By ECS - BMW

Everything you need to install your factory downpipe/catalytic converter. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4770389
Mfg#:
18328612537KT
Ships on Jan 19, 2027
ON SALE!
$102.99

This product was last offered at the strikethrough price on
07-09-2026

$96.69 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Flap Actuator

ES#2817640 - 18308632154 - Exhaust Flap Actuator - Opens and closes the 2 exhaust pipe exiting the muffler. - Genuine BMW - BMW MINI

Opens and closes the 2 exhaust pipe exiting the muffler.

Brand:
Genuine BMW - Corporate Logo
ES#:
2817640
Mfg#:
18308632154
In Stock
8% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$165.99

This product was last offered at the strikethrough price on
05-06-2026

$151.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Valved Sport Axle-Back Exhaust System - 3.5" Black Tips

Upgrade the exhaust sound of your BMW - T304 Stainless Steel with Electronic Valves & Cast Y-Pipe Requires minor mid-pipe modifications

Brand:
Valvetronic Designs - Corporate Logo
ES#:
5456778
Mfg#:
BMWFVSESBRBLK
Ships in 2 Business Days
$1099.99 USD
Free Shipping

AFE Mach Force-Xp Cat-Back Exhaust - Polished Tips

ES#3236301 - 49-36334-P - AFE Mach Force-Xp Cat-Back Exhaust - Polished Tips - Mandrel-bent stainless steel with polished tips - +14hp +13lb/ft - AFE - BMW

Mandrel-bent stainless steel with polished tips - +14hp +13lb/ft

Brand:
AFE - Corporate Logo
ES#:
3236301
Mfg#:
49-36334-P
Ships in 4 Business Days
20% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$2668.99

This product was last offered at the strikethrough price on
05-27-2026

$2135.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Flap actuator plug cover

ES#3198322 - 18302411427 - Exhaust Flap actuator plug cover - Protects the actuator plug from the elements when using a non valved exhaust - Genuine BMW M Performance - BMW

Protects the actuator plug from the elements when using a non valved exhaust

Brand:
Genuine BMW M Performance - Corporate Logo
ES#:
3198322
Mfg#:
18302411427
In Stock
3% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$31.99

This product was last offered at the strikethrough price on
11-02-2026

$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Muffler Clamp - 80mm

ES#3178430 - 18308635798 - Muffler Clamp - 80mm - Clamp found on the front muffler connecting to the downpipe - Genuine BMW - BMW

Clamp found on the front muffler connecting to the downpipe

Brand:
Genuine BMW - Corporate Logo
ES#:
3178430
Mfg#:
18308635798
Ships on Jan 26, 2027
14% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$47.33

This product was last offered at the strikethrough price on
11-02-2026

$40.70 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Eisenmann Performance Sport Exhaust - F3X 340/440

ES#3984647 - B5455.00902KT - Eisenmann Performance Sport Exhaust - F3X 340/440 - Maximize performance and style with massive weight savings - Eisenmann - BMW

Maximize performance and style with massive weight savings Modification of the Rear Bumper Required w/ 4x76mm tips

Brand:
Eisenmann - Corporate Logo
ES#:
3984647
Mfg#:
B5455.00902KT
Ships on Dec 23, 2026
Starting at $1895.00 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo Midpipe Ugrade

ES#5435048 - EXH-TP-0029 - CTS Turbo Midpipe Ugrade - Enhances youre BMW's exhaust tone without rasp or drone - CTS - BMW

Enhances youre BMW's exhaust tone without rasp or drone

Brand:
CTS - Corporate Logo
ES#:
5435048
Mfg#:
EXH-TP-0029
Ships in 1 Business Day
ON SALE! SAVE 25%
$599.99

This product was last offered at the strikethrough price on
09-29-2026

$449.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fixing Bow - Priced Each

ES#2562752 - 18307620323 - Fixing Bow - Priced Each - Used to hang the exhaust valve - Genuine BMW - BMW

Used to hang the exhaust valve

Brand:
Genuine BMW - Corporate Logo
ES#:
2562752
Mfg#:
18307620323
In Stock
4% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$42.40

This product was last offered at the strikethrough price on
11-02-2026

$40.52 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Dinan Free Flow Axle-Back Exhaust - Black Tips

ES#4145325 - D660-0077-BLK - Dinan Free Flow Axle-Back Exhaust - Black Tips - Dinan has developed this Free Flow stainless exhaust to increase flow by reducing backpressure - Dinan - BMW

Dinan has developed this Free Flow stainless exhaust to increase flow by reducing backpressure Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Dinan - Corporate Logo
ES#:
4145325
Mfg#:
D660-0077-BLK
Back Ordered
11% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$1856.99

This product was last offered at the strikethrough price on
11-02-2026

$1649.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Exhaust Parts & Accessories

From stock exhaust system repairs to polished stainless steel performance exhaust, we have exhaust pipes, mufflers, resonators, and catalytic converters from the most respected suppliers in the business. Go loud, stay soft, look good with exhaust parts and systems from ECS Tuning.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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