Flowmaster 817390 American Thunder Exhaust System For Sale

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Flowmaster American Thunder Crossmember-Back Exhaust System 817390

1968-1970 Mopar B-bodies with V8 engine, 2.5" Stainless Steel - Aggressive to moderate sound. The American Thunder system is for the person who is looking for a complete Crossmember-Back dual exhaust system with a deep powerful sound. The system is constructed from 2.50-inch mandrel-bent stainless steel tubing and includes an H-pipe to balance the exhaust pulses and to eliminate back-rap on deceleration. The large cased Super 40 Series performance mufflers generally deliver a moderate interior tone with a deep powerful exterior sound which is suited for enthusiasts who want their performance to be heard. The mandrel-bent tailpipes exit straight out the back under the rear bumper for a strong muscular appearance and allows you to select your own style of tips. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation and is covered by our Lifetime Limited Warranty. .. Does Not include header reducer cones or downpipes for factor manifolds.

• H-pipe Crossover for Maximum Power and Deep Tone
• Super 40 Series Mufflers for Deep Powerful Sound
• Mandrel-bent 16-gauge Stainless Steel Tubing
• Includes Hangers and Hardware for Installation
• Moderate to Aggressive Exterior Exhaust Tone
• Crossmember-Back True Dual Exhaust System
• Does Not Include Header Reducers or Downpipes for Factory Manifolds
• Lifetime Limited Warranty

General Policies

Warranty & Return Policy

• Holley Performance Products warrants new products to be free from defects in material and workmanship for a period of 90 days from date of purchase. Many items may have longer warranties please see Item Specifics above or contact us for information.
• Holley Performance Products Limited Warranty specifically does not apply to items or products, which have been (a) modified or altered in any way; (b) subjected to adverse conditions, such as misuse, neglect, accident, improper installation or adjustment, dirt or other contaminants, water,corrosion, or faulty repair; or (c) used in other than those applications recommended by Holley Performance Products. Holley Performance Products also does not warrant, and disclaims all liability for products used in racing activities and/or applications other than those specifically recommended in the current brand catalog.
• Warranties do not apply to items sold as Used. We want to make sure that every customer is completely satisfied with their purchase. Although obsolete, scratch & dent and used items do not have a warranty, we understand that things happen and every situation is different. Please let us know of any issues you may have before leaving response so we have an opportunity to make things right. We will do everything possible to make sure you are fully satisfied with your purchase and we want to earn your continued business!
• Buyer pays return shipping

Shipping & Tracking

• Please see the “Shipping and Payment” tab
• We ship all US orders via United Parcel Service (UPS Ground)
• A signature is required on all UPS orders over $750
• Tracking information will be sent via email after your package ships (you must supply a valid email address during checkout)
• We ship within 1 business day upon receipt of payment
• We do not ship to APO/FPO or US Post Office Box addresses
• We can not ship as a "GIFT" or ship anything internationally with changes to the invoice

Customer Service & response

• Our customer service hours are 8:00 am – 5:00 pm Central Time Monday thru Friday (excluding holidays)
• If you are not certain about an item or have questions, use the “Ask Seller a Question” link under the listing. We strive to answer questions submitted thru ’s message system within 1 business day
• We want you to be completely satisfied with your purchase – please let us know if you have any problems with your purchasebefore leaving responseso we have a chance to make it right – we want your repeat business!

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