Retains the factory valve operation while providing a significant increase in power, weight reduction, and an eye-widening soundtrack.
2X Entries Into Our F80 M3 Sweepstakes
The LAST diverter valve you'll ever need! Billet aluminum construction and heavy-duty Viton o-rings make for the ultimate upgrade in longevity and performance.
10X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
4839641
Mfg#:
013907LA01-01KT
In Stock
ON SALE!
SAVE 25%
$333.99
This product was last offered at the strikethrough price on 06-13-2026
The Alpha Performance Porsche 991.2 Intercooler System utilizes a pair of 120mm thick high volume cores, smooth cast aluminum end tanks, and organically shaped carbon fiber ducts giving you the best cooling upgrade on the market. Each high quality Garrett
+130 HP, and +114lb-ft TQ. 100% Bolt-on installation / Upgrade. You are required to ship Weistec your OE turbochargers as a core / to be upgraded.
You are required to ship Weistec your OE turbochargers as a core.
Eliminates the problematic two-piece design and rubber isolator found in the stock crank pulley while reducing the mass of the motor's rotating assembly.
*To be used with 'Stage 2' software or software specific to a supercharger crank pulley upgrade*
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
Brand:
ES#:
5457431
Mfg#:
UVM.63MM.X2
In Stock
ON SALE!
SAVE 10%
$599.99
This product was last offered at the strikethrough price on 08-25-2026
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
Brand:
ES#:
5457438
Mfg#:
UVM.89MM.X2
In Stock
ON SALE!
SAVE 10%
$599.99
This product was last offered at the strikethrough price on 08-25-2026
Gain up to 24 horsepower and 18 lb-ft of torque on 91 Octane
This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next
Brand:
ES#:
4465464
Mfg#:
3.6-997-GT3-1
In Stock
ON SALE!
$1750.00
This product was last offered at the strikethrough price on 08-23-2026
Up to 40% HP and 40% TQ Gains on 93 Octane Stage 3 - This comes with PDK Flashing as well to ensure your trans is safe from increased HP!
CARB certified for sale in all 50 states
Brand:
ES#:
3988355
Mfg#:
AP3-POR-006-PDK
EO#:
D-660-70
In Stock
ON SALE!
SAVE 10%
$3390.00
This product was last offered at the strikethrough price on 08-17-2026
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.
Let us help you find the parts that fit your
Porsche
Lifetime Replacement
