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Catback Exhaust w/4 in. OD Double Walled Muffler Tip - Stainless Steel 02-06 Nissan Sentra SE-R Spec V

Catback Exhaust w/4 in. OD Double Walled Muffler Tip - Stainless Steel 02-06 Nissan Sentra SE-R Spec V

Last price we saw

$133.99at Amazon, last seen Oct 31

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Our take on the Catback Exhaust w/4 in. OD Double Walled Muffler Tip - Stainless Steel 02-06 Nissan Sentra SE-R Spec V

A cat-back exhaust kit for the 2002-2006 Nissan Sentra SE-R and SE-R Spec V sedan, built from T-304 stainless steel with 2.25-inch mandrel-bent piping and a 4-inch double-walled tip on a round canister muffler. It replaces everything behind the catalytic converter, so the stock cat stays and the car remains 50-state emissions legal. The maker claims a dyno-proven gain of 15 to 25 horsepower or low-end torque, though that figure is optimistic for a cat-back alone. It is a budget-priced stainless system aimed at Spec V owners who want more sound and a larger tip without a full header-and-cat change.

Best forSpec V owners who want a louder, deeper exhaust noteDrivers replacing a rusted-out stock exhaust on a 2002-2006 SE-R
Budget builds that keep the factory catalytic converter and emissions legality
Owners who want a bolt-on stainless kit with a 4-inch tip
Pros
  • T-304 stainless steel resists rust better than 409 or aluminized steel
  • Mandrel bends and 2.25-inch piping flow better than stock crush bends
  • Double-walled 4-inch tip resists heat discoloration
  • Keeps the stock cat, so it stays 50-state emissions legal
  • Includes gaskets and hardware for installation
Cons
  • 15-25 hp claim is unlikely from a cat-back alone; expect modest gains
  • Aggressive tone can drone at highway speed
  • Fitment is limited to the 2002-2006 SE-R/Spec V sedan, not the 1.8 or 2.5 base cars
  • No resonator listed, so volume may be loud for daily commuting
  • Budget-brand welds and tip finish may not match name-brand systems

Catback Exhaust w/4 in. OD Double Walled Muffler Tip - Stainless Steel 02-06 Nissan Sentra SE-R Spec V prices at every store

  • AmazonCheck price at Amazon
  • CA Auto PartsCheck price at CA Auto Parts

Catback Exhaust w/4 in. OD Double Walled Muffler Tip - Stainless Steel 02-06 Nissan Sentra SE-R Spec V price history

Lowest price we've seen: $133.99 on Oct 31 at Amazon. Tracked across 1 store since Oct 31.

From CA Auto Parts

  • Cat-back exhaust system with larger, freer-flowing pipes and mufflers for improved performance and sound
  • Replaces everything after the catalytic converter and is 50-state emissions legal
  • Large-diameter mandrel-bent T-304 stainless steel pipes with TIG welds and CNC-machined components
  • Aggressive deep and smooth tone while ensuring smooth exhaust gas flow
  • Dyno proven to instantly increase 15 to 25 horsepower or low-end torque
  • 4 in. OD double-walled muffler tip with round canister muffler
Materials
T-304 stainless steel
Fit
2.25 in. ID inlet / 2.25 in. ID main piping; fits 2002-2006 Nissan Sentra SE-R/Spec V Sedan 4-Door
Sizing
Designed to precisely fit your make and model vehicle
In the box
1 X Catback Exhaust, Hardware/gaskets as shown

About the Catback Exhaust w/4 in. OD Double Walled Muffler Tip - Stainless Steel 02-06 Nissan Sentra SE-R Spec V

Description:

A cat-back exhaust system from CA Auto Parts packs a lot of punch. Our systems utilize larger and freer-flowing pipes and mufflers, so your engine breathes easier, improving performance and sound. These systems replace everything after the catalytic converter, keeping them 50-state emissions legal. Each kit is designed to precisely fit your make and model vehicle, making installation straightforward. Large-diameter mandrel-bent stainless steel pipes, TIG welds, and CNC-machined components accelerate air flow and deliver the aggressive, throaty rumble you want!

Specifics and Features:

• Made of high quality T-304 stainless steel with computerized mandrel-bends for strength and durability

• TIG welded CNC machine flange for resistance against pressure and corrosion

• 2.25 in. ID Inlet / 2.25 in. ID Main piping

• 4 in. OD Muffler tip

• Round canister muffler

• Double walled muffler tip

• Aggressive deep and smooth tone sound while ensures smooth exhaust gas flow

• Increase engine output and efficiency

• Dyno proven to instantly increases 15 to 25 horsepower or low end torque

Package Includes:

• 1 X Catback Exhaust

• Hardware/gaskets as shown

Compatible with:

• 2002-2006 Nissan Sentra SE-R/ Spec V Sedan 4-Door

Questions and answers

Will this fit my 2005 Sentra 1.8?
No. It is listed for the 2002-2006 Sentra SE-R and SE-R Spec V sedan only. Base 1.8 and 2.5 models have different piping routes.
Does it pass emissions?
Yes, it keeps the factory catalytic converter and replaces only the piping behind it, so it is sold as 50-state legal. Check your local inspection rules for noise limits.
How loud is it?
The maker describes an aggressive, deep tone. A round canister with no resonator tends to be loud at cold start and can drone around 60-70 mph.
Will I really gain 15 to 25 horsepower?
Treat that as a best-case dyno claim. A cat-back on a stock Spec V typically adds a few horsepower and mostly changes sound.
What is in the box?
The cat-back exhaust and the hardware and gaskets shown. You reuse the factory catalytic converter and stock hangers.
When is the best time to buy?
Exhaust prices move little, but check the price history for dips around holiday sales and tax-refund season before ordering.
Where can I buy the Catback Exhaust w/4 in. OD Double Walled Muffler Tip - Stainless Steel 02-06 Nissan Sentra SE-R Spec V?
2 stores we checked sell it, including Amazon, CA Auto Parts.

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