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
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$658.99
This product was last offered at the strikethrough price on 07-25-2026
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
Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.
Lifetime Replacement
