High Flow T304 Stainless Exhaust Downpipe for Toyota Supra A90 BMW G20 G29 M340i 3.0T
SHIPPING - RETURNS - WARRANTY - CANCELLATION POLICY
*** Market Conditions after 2020 have changed the landscape of automotive parts. Although we try to stock 1000's of items in our multiple warehouse and use multiple distribution channels, having back-orders are unavoidable in today's market. If you are in need of a product quickly, we suggest email, message, or call us for availability so that we may explore your options.
Email: Sales@Speedzoneweb.com
Call: 407-846-8430
Text: 407-749-6314
Frequently Asked Questions
Upgrade turbo response, exhaust flow, and overall performance on your Toyota Supra A90 or BMW M340i platform with the STRATEC High Flow Stainless Steel Exhaust Downpipe. Designed as a direct replacement for the restrictive factory downpipe, this upgrade improves airflow, reduces backpressure, and delivers sharper throttle response with a more aggressive exhaust character.
Built for worldwide applications, this downpipe is engineered to handle high boost and heat while maintaining long-term durability—making it ideal for both daily-driven cars and performance builds.
Performance Benefits
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Reduces exhaust backpressure for improved turbo efficiency
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Faster turbo spool and stronger mid-range power
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Sharper throttle response
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Deeper, sport-oriented exhaust tone
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Improved engine breathing under load
Construction and Engineering
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Material: T304 stainless steel
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Design: High-flow straight-through exhaust routing
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Welding: Precision TIG welded for strength and durability
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Finish: Brushed stainless steel
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Build: Performance-oriented layout optimized for turbocharged applications
Sound and Driving Characteristics
Cold starts are louder and deeper than factory. During cruising, the tone remains sporty with controlled volume. Under acceleration, expect an aggressive exhaust note with increased turbo presence—designed to enhance performance sound without excessive harshness.
Installation
Direct bolt-on replacement using factory mounting locations. No cutting or welding required. Fully reversible to stock.
Professional installation recommended. ECU tuning recommended for optimal performance.
What’s Included
T304 stainless steel exhaust downpipe
Required mounting hardware
Fitment (Worldwide Models)
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Toyota Supra A90 3.0T (2019–2023)
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BMW G20 M340i 3.0T (2019–2023)
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BMW G29 Z4 M40i 3.0T (2019–2023)
Engine: 3.0T Turbocharged Inline 6
Our History
For 26 years Speedzone Performance LLC has been providing aftermarket car parts to Central Floridians and 1000's of customers online. What makes us different than all the other places online? We have 3 actual brick and mortar locations where were serve customers daily and find new ways to provide support and assistance to the automotive community at large. From our in house SPDZ1 Brand, to our constantly growing in stock inventory, we strive to make our customer service and ease of purchase stand out from the rest! We are also one of the largest automotive part financing providers anywhere in the United States, and continue to provide more options for our customers every year. We love what we do, and it shows in every product we sell and every new customer who becomes a part of our Speedzone Family.