The APR Stage 1 ECU Upgrade is the first step towards tuning your engine. It produces up to 420-458 HP and 393-448 FT-LBS of torque with gains as high as +42-81 HP and +52-106 FT-LBS of torque at the wheels.
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Optional muffler designed to be used with CBK0024 to quiet the exhaust note
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Brand:
ES#:
4338458
Mfg#:
CBK0029
Ships in 5 Business Days
ON SALE!
SAVE 10%
$584.99
This product was last offered at the strikethrough price on 07-31-2026
Have PSE and want to remain in control over your exhaust’s tone at the press of the PSE button? Perfect. The SwitchPath Exhaust will do just that.
Only for cars with Porsche Sport Exhaust (PSE) from factory
Increase of +75 Horsepower, and +91 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance high-flow exhausts!
Increase of +57 Horsepower, and +81 Torque, Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications!
Lower Spring with Adjustable Perches to Fine Tune the perfect height
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Get top of the line performance and comfort from one of the biggest names in suspension systems, Ohlins. Features 30-Level dampening adjustment and DFV technology!
All the performance upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.
Lifetime Replacement
