1997-2003 F150 4.6L / 5.4L Flowmaster American Thunder Dual Exit Cat-Back Exhaust (Stainless) 817663

1997-2003 F150 Flowmaster American Thunder Dual Exit Cat-Back Exhaust (Stainless)

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Part#:

817663

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4 Customer Q&A(s)

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Product Features
4 Q&A(s)

Flowmaster American Thunder For An Aggressive Exhaust Tone

If you're looking for an aggressive new tone for your 1997-2003 F150, American Thunder from Flowmaster is a great option. You'll gain a deep rumble at idle and a racing sound when you hit the gas. This Flowmaster American Force Dual Cat-Back Kit (Stainless Steel) increases your truck's overall performance while adding a head-turning new sound that separates your F150 from the pack. This kit includes extension pipes so you can choose a rear or side dual exit.

High-Quality Construction & Components

Flowmaster's American Thunder Dual Exhaust System offers one of the most aggressive exterior sound levels in their product line-up. Besides the wicked sound, this dual exhaust frees up stock restrictions on your system and allows for improved horsepower, torque and fuel economy -- all of this with an upgraded tone that lets your F150 V8 rumble and growl when you rev your engine. The American Thunder System incorporates Flowmaster's 40-Series muffler and resonators that control overall sound and increase the performance impression, including more horsepower, torque, and improved fuel economy. This is a great option if you're looking for a more aggressive look and the sounds to match.

Fitment: 1997-2003 Ford F150 4.6L / 5.4L V8. Flowmaster's Cat-Back Kit comes with extension pipes and inlet tubes so you can go with a rear or side exit. Call us here at Stage 3 at 623-434-5277 with any questions.

Features and Specifics

Dual Rear/Side Exit
409 Stainless Steel
2.5" Mandrel-Bent Outlet Tubes
40-Series Muffler
3.5" Tip
Extension Pipes For Rear Or Side Exit
Clamps
Hardware and Hangers
Limited Lifetime Warranty

Complete Kit For Easy Installation

How long are the tips?

Asked by: Justin - 3/1/2021

The tips included in this kit are 13" long.

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Answer provided by: Jason@Stage3 (3/3/2021)

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I have a 2000 Ford Expedition XLT Triton V8 2WD. would this fit my vehicle?????

Asked by: ziad - 4/25/2019

Unfortunately, this kit will not fit a 2000 Expedition. It only fits F150s. For kits that fit 2000 Expeditions, give us a call directly at 623-434-5277.

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Answer provided by: Jason@Stage3 (4/26/2019)

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is the pipe size itself 2.5 or 3?

Asked by: nigel - 10/23/2018

According to Flowmaster, this kit uses 2.5" diameter tubing.

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Answer provided by: Jason@Stage3 (10/24/2018)

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I have a 1997 Ford F-150 4WD regular cab Flareside short bed with a 4.6L V8 SOHC 16V. Will this particular catback exhaust fit my truck? Thank you, in advance, for your help! Tyler Herigstad

Asked by: Tyler - 6/8/2016

According to Flowmaster, this kit will fit all wheelbase options. However, I believe you will need to trim the inlet piping for proper fitment on a regular cab short bed truck.

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Answer provided by: Jason@Stage3 (6/10/2016)

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1997-2003 F150 4.6L / 5.4L Flowmaster American Thunder Dual Exit Cat-Back Exhaust (Stainless) 817663

817663

Flowmaster American Thunder For An Aggressive Exhaust Tone

High-Quality Construction & Components

How long are the tips?

I have a 2000 Ford Expedition XLT Triton V8 2WD. would this fit my vehicle?????

is the pipe size itself 2.5 or 3?

I have a 1997 Ford F-150 4WD regular cab Flareside short bed with a 4.6L V8 SOHC 16V. Will this particular catback exhaust fit my truck? Thank you, in advance, for your help! Tyler Herigstad

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