★★★★★ 5
Good
Size: 1/0 Gauge 10FT
Good item
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 14, 2026
Invidia 15+ Subaru WRX/STI Single Racing Titanium Tip Cat-back Exhaust
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Invidia 15+ Subaru WRX/STI Single Racing Titanium Tip Cat-back ExhaustSKU: HS15SW4GST Invidia 2015+ Subaru WRX STI Single Racing Titanium Tip Cat back Exhaust The Invidia HS15SW4GST full cat back exhaust system fits 2015 2021 Subaru WRX and 2015 2020 STI VA chassis models. It replaces the factory exhaust from the rear oxygen sensor back using 3 inch mandrel bent piping and a single racing titanium tip for power gains up to 12 wheel horsepower and 10 lb ft torque. This design cuts backpressure boosts exhaust flow and
Quick Dispatch:
Your Invidia 15+ Subaru WRX/STI Single Racing Titanium Tip Cat-back Exhaust orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
You'll receive a tracking link by email once your Invidia 15+ Subaru WRX/STI Single Racing Titanium Tip Cat-back Exhaust ships.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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4.8 ★★★★★
Based on 327 reviews
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Product Reviews
★★★★★ 5
Works no issues
Size: 8 Gauge 10FT
Works no issues
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 7, 2026
★★★★★ 4
Durable insulation and pure copper not that cca bs
Size: 1/0 Gauge 5FT
Good quality. Solid copper, not that cca bs. Stiff and durable insulation. Used for big 3 car audio grounds on high output alternator. Great results. Will mention that it’s not as thick as some other brands but not by much. Terminals still crimped tightly with 1/0 gauge
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Reviewed in the United States on January 11, 2026
★★★★★ 5
Quality wire and true specs
Size: 8 Gauge 10FT
Good quality car audio power wire.
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Reviewed in the United States on March 8, 2026
★★★★★ 5
Great Cable
Size: 4 Gauge 50FT
Labeled correctly and very flexible. Insulation is nice and thick and not easily marred.
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Reviewed in the United States on December 5, 2025
