Flowmaster Exhaust System Kit
Flowmaster Exhaust System Kit
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In-stock orders are processed within 48 hours; transit time is additional.
International orders include export processing and customs clearance. Duties, taxes and brokerage are extra; final freight charges may change after remeasurement.
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Need help with a return? Request authorization within 30 days of delivery for eligible unused, uninstalled items. See details for exclusions and applicable fees.
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Request return authorization (RMA) within 30 days of delivery for eligible items. Keep items unused and uninstalled, with original packaging and accessories. Electronics, liquids, special orders and other categories are excluded.
Email sales@frsport.com with RETURN and your order number in the subject to request an RMA. Please wait for return authorization before sending your item back.
Wrong part/size or change of mind: a 20% return processing fee applies, plus applicable shipping costs.
Original shipping is non-refundable. For orders shipped free, the actual outbound shipping cost is deducted from the refund. Return shipping is prepaid by the customer.
After payment capture, cancellations and refunds generally incur a 5% processing fee, except for our error, confirmed defects or confirmed carrier loss. The 5% and 20% fees do not stack; only the greater applicable fee applies. Store credit waives the 5% fee, but applicable return fees remain.
Missing, incorrect or transit-damaged items: report within 3 business days of receipt with photos of the product and packaging.
For defective items, contact us for help with the manufacturer's warranty process. The manufacturer decides the claim.
Specifications
Product details shared across all variants.
- Product type
- Exhaust System Kit
- Category
- Motor Vehicle Exhaust
- Shipping dimensions (L × W × H)
- Shipping weight
- 77.52 lb
- Barcode
- 700042024636
Billable shipping weight; may include dimensional weight.
Cat back, Exhaust, Kit, Chevrolet, GMC, Truck, Performance
Cat-back 409S 96-99 GM 1500
Cat-back System 409S - Dual Rear/Side Exit - American Thunder - Moderate Sound
Cat-back System 409S - Dual Rear/Side Exit - American Thunder - Moderate Sound - 1996 to 1999 Chevrolet Silverado and GMC Sierra 1500 trucks
Exhaust System Kit
Fits 1996 to 1999 Chevrolet Silverado and GMC Sierra 1500 trucks with a 5.7L V8 engine using dual catalytic converters, fits Extended Cab and short bed configuration.
For the person who is looking for a complete Cat-back dual exhaust system with an moderate tone and a choice of dual rear or side exit configurations. With easy fit in mind, these American Thunder systems are mandrel bent for maximum performance and include specially selected mufflers. American Thunder systems deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation.
With Dual Catalytic Converters. Extended cab/Short bed.
