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Your Vehicle 2011 Porsche Boxster 987 S Convertible H6 3.4L

2011 Porsche Boxster 987 S Convertible H6 3.4L Performance Engine Parts

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ES#4307641 - 30-3313 - AEM V3 Water/Methanol Injector Kit (Qty 2)  - Swappable swirl generators for 250/500/1000cc configurations! - AEM Electronics  - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Swappable swirl generators for 250/500/1000cc configurations! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AEM Electronics  - Corporate Logo
ES#:
4307641
Mfg#:
30-3313
In Stock
$110.99

This product was last offered at the strikethrough price on
03-31-2026

$108.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4144932 - SN0-310-BRD - Stage 3 Boost Cooler (EFI - Port Injection) - Braided Line - Brings true 2D mapped water-methanol injection delivery to your EFI (Electronic Fuel Injected) and forced induction vehicle - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Brings true 2D mapped water-methanol injection delivery to your EFI (Electronic Fuel Injected) and forced induction vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4144932
Mfg#:
SN0-310-BRD
In Stock at Vendor
$833.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4500516 - 30-3326 - AEM Water/Methanol Injection System - High-Flow Low-Current WMI Solenoid - 200PSI 1/8in-27NPT In/Out - AEM Electronics  - Audi BMW Volkswagen MINI Porsche

High-Flow Low-Current WMI Solenoid - 200PSI 1/8in-27NPT In/Out affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AEM Electronics  - Corporate Logo
ES#:
4500516
Mfg#:
30-3326
In Stock
$124.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3988353 - AP3-POR-008-PDK - 09-12 987.2 Cayman / Boxster 997.2 Carrera S / 4S / GTS Cobb Accessport - With PDK Flashing - This Accessport allows users to tune both the Engine and Transmission control units in thier supported 987.2 Boxster/Cayman or 997.2 Carrera - CobbTuning - Porsche

This Accessport allows users to tune both the Engine and Transmission control units in thier supported 987.2 Boxster/Cayman or 997.2 Carrera affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
CARB certified for sale in all 50 states

Brand:
CobbTuning - Corporate Logo
ES#:
3988353
Mfg#:
AP3-POR-008-PDK
EO#:
D-660-158
Ships in 3 Business Days
$1895.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3022269 - HEA-WRAPKIT-50 - Titanium Exhaust Wrap - 2" x 50 - Designed to handle continuous temperatures up to 1,800F - Prosport Performance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Designed to handle continuous temperatures up to 1,800°F affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Prosport Performance - Corporate Logo
ES#:
3022269
Mfg#:
HEA-WRAPKIT-50
In Stock
$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4883147 - 501-0043 - Adjustable Fuel Pressure Regulator W/ 1-to-1 Boost Reference - Adjustable High Flow Fuel Pressure Regulator with 1 to 1 boost reference - Precision Raceworks - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Adjustable High Flow Fuel Pressure Regulator with 1 to 1 boost reference affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Precision Raceworks - Corporate Logo
ES#:
4883147
Mfg#:
501-0043
In Stock
$159.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4147675 - SN0-40014 - 2.5 Gal. Water-Methanol Tank Upgrade - Quick-Connect Fittings - W/Brackets, Solenoid, Hose & All Necessary Fittings - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

W/Brackets, Solenoid, Hose & All Necessary Fittings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4147675
Mfg#:
SN0-40014
In Stock at Vendor
$140.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4623922 - SN0-60400 - VC-30 Water Methanol Controller (Boost) - Proportionally injects more or less water/methanol according to boost pressure - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Proportionally injects more or less water/methanol according to boost pressure affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4623922
Mfg#:
SN0-60400
In Stock at Vendor
$184.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2785203 - 87482KT - 987.2 3.4L Competition Plenum With 82mm GT3 Throttle Body - Complete upgrade for 20 HP and 15 ft/lbs of torque! - Assembled By ECS - Porsche

Complete upgrade for 20 HP and 15 ft/lbs of torque! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2785203
Mfg#:
87482KT
Ships in 2 Business Days
$1462.99

This product was last offered at the strikethrough price on
04-27-2026

$1431.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3055941 - 243904 - Rear Supersprint Exhaust Mufflers - Left & Right side mufflers with hardware - Supersprint - Porsche

Left & Right side mufflers with hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3055941
Mfg#:
243904
Ships on Sep 4, 2026
$1418.99 USD
Free Shipping
ES#2776876 - 87482 - 987.2 3.4L Competition Plenum - Increase power and torque by improving airflow to the intake manifold - IPD - Porsche

Increase power and torque by improving airflow to the intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Requires upgrading to 82mm throttle body

Brand:
IPD - Corporate Logo
ES#:
2776876
Mfg#:
87482
Ships in 2 Business Days
$1195.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2776887 - 87474-3.4 - 987.2 3.4L Boxster/Cayman Plenum - Bolt-on upgrade for 15 HP and 12 ft/lbs of torque! - IPD - Porsche

Bolt-on upgrade for 15 HP and 12 ft/lbs of torque! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
IPD - Corporate Logo
ES#:
2776887
Mfg#:
87474-3.4
Ships in 2 Business Days
$1195.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3988352 - AP3-POR-008 - 09-12 987.2 Cayman / Boxster 997.2 Carrera S / 4S / GTS Cobb Accessport - Up to 5.9% HP and 7.6% TQ Gains on 93 Octane - CobbTuning - Porsche

Up to 5.9% HP and 7.6% TQ Gains on 93 Octane affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
CARB certified for sale in all 50 states

Brand:
CobbTuning - Corporate Logo
ES#:
3988352
Mfg#:
AP3-POR-008
EO#:
D-660-158
Ships in 3 Business Days
$1160.00 USD
Free Shipping
on orders $49 and up
ES#4714891 - JB4-OBDII-CA - JB4 OBDII Cable - 2 Position (Cable Only) - Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash. - Burger Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
4714891
Mfg#:
JB4-OBDII-CA
In Stock
$25.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3088918 - WA250-500 - BMC Filter Cleaning Kit - Includes cleaner and re-oil additive - BMC - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Includes cleaner and re-oil additive affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
BMC - Corporate Logo
ES#:
3088918
Mfg#:
WA250-500
In Stock
$24.99 USD
Free Shipping
on orders $49 and up

More About Performance Engine Parts

Our name says it all. That's why ECS Tuning is dedicated to providing our customers with the broadest possible assortment of engine tuning options at a range of prices and options to fit any budget. Start small and grow your car into something special with performance engine upgrades from a company that has tuning in its name and its blood.

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Manufacturer names and/or part numbers are used only for identification purposes.

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