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Your Vehicle 2018 Porsche 911 991 Turbo Convertible H6 3.8L

2018 Porsche 911 991 Turbo Convertible H6 3.8L Performance Engine Parts

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ES#3988265 - AP3-POR-012 - 17-19 991.2 Turbo / Turbo S Cobb Accessport - Stage 2 potential up to 38% HP and 38% TQ Gains with 93 Octane! - CobbTuning - Porsche

Stage 2 potential up to 38% HP and 38% TQ Gains with 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#:
3988265
Mfg#:
AP3-POR-012
EO#:
D-660-70
Ships in 2 Business Days
$2860.00 USD
Free Shipping
on orders $49 and up
ES#4339400 - 917495 - RaceChip GTS Black - Get up to +55 hp and +89 lb-ft through a safe and easy to use tuning module from RaceChip - Race Chip - Porsche

Get up to +55 hp and +89 lb-ft through a safe and easy to use tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race Chip - Corporate Logo
ES#:
4339400
Mfg#:
917495
Ships in 3 Business Days
$799.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4339401 - 917496 - RaceChip GTS Black With App Control - Get up to +55 hp and +89 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip - Race Chip - Porsche

Get up to +55 hp and +89 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race Chip - Corporate Logo
ES#:
4339401
Mfg#:
917496
Ships in 3 Business Days
$849.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4932051 - EX32 - Rennline Titanium Valved Exhaust System - Porsche 991.2 - Unleash the raw sound of your Porsche 991.2 with the Ultimate Performance Valved Exhaust by Rennline! - Rennline - Porsche

Unleash the raw sound of your Porsche 991.2 with the Ultimate Performance Valved Exhaust by Rennline! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rennline - Corporate Logo
ES#:
4932051
Mfg#:
EX32
In Stock at Vendor
Starting at $2500.00 USD
Free Shipping
ES#3981099 - 991turboKT2 - 14-18 991 Turbo Full Sport System - Highest Quality Hand Made in Italy - Includes High Performance Free Flow Headers, 100 CPSI Catalytic Converters, Sport Mufflers, and Polished Tips - Supersprint - Porsche

Highest Quality Hand Made in Italy - Includes High Performance Free Flow Headers, 100 CPSI Catalytic Converters, Sport Mufflers, and Polished Tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3981099
Mfg#:
991TURBOKT2
Ships on Sep 4, 2026
$12472.99 USD
Free Shipping
ES#3981103 - 991turboKT6 - 14-18 991 Turbo Turbo-Back Race System - Highest Quality Hand Made in Italy - High Flow 100 CPSI Catalytic Converters, Race Mufflers, and Polished Tips - Supersprint - Porsche

Highest Quality Hand Made in Italy - High Flow 100 CPSI Catalytic Converters, Race Mufflers, and Polished Tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3981103
Mfg#:
991TURBOKT6
Ships on Sep 4, 2026
$8173.99 USD
Free Shipping
ES#3981097 - 991turboKT - 14-18 991 Turbo Full Race System - Highest Quality Hand Made in Italy - Includes High Performance Free Flow Headers, 100 CPSI Catalytic Converters, Race Mufflers, and Black Tips - Supersprint - Porsche

Highest Quality Hand Made in Italy - Includes High Performance Free Flow Headers, 100 CPSI Catalytic Converters, Race Mufflers, and Black Tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3981097
Mfg#:
991TURBOKT
Ships on Sep 4, 2026
$13339.99 USD
Free Shipping
ES#3981101 - 991turboKT4 - 14-18 991 Turbo-Back Sport System - Highest Quality Hand Made in Italy - High Flow 100 CPSI Catalytic Converters, Sport Mufflers, and Polished Tips - Supersprint - Porsche

Highest Quality Hand Made in Italy - High Flow 100 CPSI Catalytic Converters, Sport Mufflers, and Polished Tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3981101
Mfg#:
991TURBOKT4
Ships on Sep 4, 2026
$7436.99 USD
Free Shipping
ES#3643384 - 247201 - 14-18 991 Turbo Performance Headers - More flow for less restrictions, don't let your exhaust be the weak point of power - Supersprint - Porsche

More flow for less restrictions, don't let your exhaust be the weak point of power affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3643384
Mfg#:
247201
Ships on Sep 4, 2026
$5036.99 USD
Free Shipping
ES#3981102 - 991turboKT5 - 14-18 991 Turbo Turbo-Back Sport System - Highest Quality Hand Made in Italy - High Flow 100 CPSI Catalytic Converters, Sport Mufflers, and Black Tips - Supersprint - Porsche

Highest Quality Hand Made in Italy - High Flow 100 CPSI Catalytic Converters, Sport Mufflers, and Black Tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3981102
Mfg#:
991TURBOKT5
Ships on Sep 4, 2026
$7566.00 USD
Free Shipping
ES#3981104 - 991turboKT7 - 14-18 991 Turbo Turbo-Back Race System - Highest Quality Hand Made in Italy - High Flow 100 CPSI Catalytic Converters, Race Mufflers, and Black Tips - Supersprint - Porsche

Highest Quality Hand Made in Italy - High Flow 100 CPSI Catalytic Converters, Race Mufflers, and Black Tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3981104
Mfg#:
991TURBOKT7
Ships in 3 Business Days
$8302.99 USD
Free Shipping
ES#3981100 - 991turboKT3 - 14-18 991 Turbo Full Sport System - Highest Quality Hand Made in Italy - Includes High Performance Free Flow Headers, 100 CPSI Catalytic Converters, Sport Mufflers, and Black Tips - Supersprint - Porsche

Highest Quality Hand Made in Italy - Includes High Performance Free Flow Headers, 100 CPSI Catalytic Converters, Sport Mufflers, and Black Tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3981100
Mfg#:
991TURBOKT3
Ships on Sep 4, 2026
$12602.99 USD
Free Shipping
ES#3981098 - 991turboKT1 - 14-18 991 Turbo Full Race System - Highest Quality Hand Made in Italy - Includes High Performance Free Flow Headers, 100 CPSI Catalytic Converters, Race Mufflers, and Polished Tips - Supersprint - Porsche

Highest Quality Hand Made in Italy - Includes High Performance Free Flow Headers, 100 CPSI Catalytic Converters, Race Mufflers, and Polished Tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3981098
Mfg#:
991TURBOKT1
Ships on Sep 4, 2026
$13209.99 USD
Free Shipping
ES#5457434 - UVM76MMTSTYLEX1 - Universal T-Style Valved Muffler Kit - Single Inlet / Dual Outlet - 3.0" (76mm) - 1 Muffler - Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button - Valvetronic Designs - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Valvetronic Designs - Corporate Logo
ES#:
5457434
Mfg#:
UVM76MMTSTYLEX1
Ships in 1 Business Day
$499.99 USD
Free Shipping
ES#5457432 - UVM76MMDUALOUTx1 - Universal Valved Muffler Kit - Single Inlet / Dual Outlet - 3.0" (76mm) - 1 Muffler - Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button - Valvetronic Designs - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Valvetronic Designs - Corporate Logo
ES#:
5457432
Mfg#:
UVM76MMDUALOUTX1
Ships in 1 Business Day
$399.99 USD
Free Shipping
ES#5457431 - UVM.63MM.X2 - Universal Valved Muffler Kit - Single Inlet / Single Outlet - 2.5" (63mm) - 2 Mufflers - Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button - Valvetronic Designs - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Valvetronic Designs - Corporate Logo
ES#:
5457431
Mfg#:
UVM.63MM.X2
Ships in 1 Business Day
$599.99 USD
Free Shipping

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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