# Title: High Flow T304 Stainless Exhaust Downpipe for Toyota Supra A90 BMW G20 G29 M340i 3.0T


## Description: 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 Reduces exhaust backpressure for improved turbo efficiency Faster turbo spool and stronger mid-range power Sharper throttle response Deeper, sport-oriented exhaust tone Improved engine breathing under load Construction and Engineering Material: T304 stainless steel Design: High-flow straight-through exhaust routing Welding: Precision TIG welded for strength and durability Finish: Brushed stainless steel 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 downpipeRequired mounting hardware Fitment (Worldwide Models) Toyota Supra A90 3.0T (2019–2023) BMW G20 M340i 3.0T (2019–2023) BMW G29 Z4 M40i 3.0T (2019–2023) Engine: 3.0T Turbocharged Inline 6


## Product type: Vehicle Parts & Accessories


## Vendor: Bull Boost Performance


## Tags: Bull Boost Performance, Shopify Collective


## Price range: 599.95 - 599.95 USD


## Link: https://shop.water-services.us/products/high-flow-t304-stainless-exhaust-downpipe-for-toyota-supra-a90-bmw-g20-g29-m340i-3-0t


## Options 

- Title: Default Title


## Variants

- Default Title, SKU: 721814382853, Available: no, Inventory: 0, Delivery profile: Shopify Collective


## Metafields 

- google_product_category: 908
- badge: <div style='display:none' class='jdgm-prev-badge' data-average-rating='0.00' data-number-of-reviews='0' data-number-of-questions='0'> <span class='jdgm-prev-badge__stars' data-score='0.00' tabindex='0' aria-label='0.00 stars' role='button'> <span class='jdgm-star jdgm--off'></span><span class='jdgm-star jdgm--off'></span><span class='jdgm-star jdgm--off'></span><span class='jdgm-star jdgm--off'></span><span class='jdgm-star jdgm--off'></span> </span> <span class='jdgm-prev-badge__text'> No reviews </span> </div>
- widget: <div></div>
- review_widget_data: {"number_of_reviews":0,"average_rating":"0.00","number_of_questions":0,"product_name":"High Flow T304 Stainless Exhaust Downpipe for Toyota Supra A90 BMW G20 G29 M340i 3.0T","product_external_id":7408200155216,"product_coupons_enabled":true,"image_url":"https://cdn.shopify.com/s/files/1/0242/9940/5392/files/DOWNPOP2.jpg?v=1786216500","histogram":[{"rating":5,"frequency":0,"percentage":0,"extra_class":null},{"rating":4,"frequency":0,"percentage":0,"extra_class":null},{"rating":3,"frequency":0,"percentage":0,"extra_class":null},{"rating":2,"frequency":0,"percentage":0,"extra_class":null},{"rating":1,"frequency":0,"percentage":0,"extra_class":null}],"review_keywords":null,"product_medals":[],"custom_form_filters_and_averages":null,"photo_gallery":null,"review_summary_text":"Be the first to write a review","ai_summary_text":"","sort_key":"created_at","multi_language_sorting_enabled":true,"metafield_updated_at":"2026-08-08T19:20:12Z","primary_language":"en","primary_language_reviews":[],"primary_language_pagination":{"total_pages":0,"current_page":1,"per_page":5},"other_language_reviews":[],"other_language_pagination":{"total_pages":0,"current_page":1,"per_page":3},"reviews":[]}
- product_status: {"pending":0,"failed":0,"approved":1}
- unavailable_reason: collective_supplier_curator_connection_ended