downpipes

AFE Filters - Street Series Twisted Steel Down-Pipe (48-36602-HC)

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$623.19

$800.00

You save: $176.81 (22%) off MSRP

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This part fits

  1. 2015 Honda Civic Si
  2. 2014 Honda Civic Si
  3. 2013 Honda Civic Si
  4. 2012 Honda Civic Si
Authorized Dealer
white carb warning, not legal street use in California Not for sale or street use in California.

About this product

Part #: 48-36602-HC

This race down pipe uses a unique resonance chamber to capture sound waves and minimize in-cab resonance producing an aggressive tone on throttle with a smooth sound at cruising speeds without effecting performance. In recent testing, the race version down pipe produced +14 horsepower and +39 lbs. x ft. of torque. The high-flowing down pipe is designed using mandrel-bent, 304 stainless steel tubing for optimum flow resulting in added horse power and torque. The down pipe is 100% hand TIG-Welded and uses a 3-1/2" into 4" stepped design that increases exhaust velocity and eliminates low pressure drops which helps to scavenge the exhaust for increased intake charge and more power.

More Details

GaugeOEM
Inlet Inside Diameter (in.)2.75
MaterialStainless Steel
Tube Diameter2.5

See what our community says about afe-filters products

Ricknasty Arciniega

438

Ricknasty Arciniega
2016 Ford Focus ST
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What made you choose this particular product?
Great quality, nice wrinkle black finish, louder intake induction sounds and more audible BOV.
Is this your first time buying from this brand? Did you consider other brands?
Purchased the drop in filter replacement, got this one and the noises were much louder. Definitely recommend.
Was it easy to install? Any installation tips that will help others?
Installed myself, took and hour and a half with removing the cowl. No need to lift the vehicle.
Once you've had a chance to use the product, did it meet your expectations?
There is similar ones for cheaper price but can't complain for the quality and name.
Any additional comments?
They sell a separate cover that quiets it down, I have it just have not used it.
View on Ricknasty's build
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What made you choose this particular product?
Dyno proven power increases and quality heat shield.
Is this your first time buying from this brand? Did you consider other brands?
First time.
Was it easy to install? Any installation tips that will help others?
Relatively easy install.
Once you've had a chance to use the product, did it meet your expectations?
Yes noticeable power increase.
View on Travis's build
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
Performance and Price
Is this your first time buying from this brand? Did you consider other brands?
Yes
Was it easy to install? Any installation tips that will help others?
Yes, it was very easy.
Once you've had a chance to use the product, did it meet your expectations?
Great bang for the buck.
View on Doug's build
Dustin Dibala

150

Dustin Dibala
2004 Honda S2000
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
Excellent air filters, great price, better performance over stock.
Was it easy to install? Any installation tips that will help others?
Drop in, super simple.
View on Dustin's build
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
Given to me by a good friend.
Is this your first time buying from this brand? Did you consider other brands?
This company, aFe Power makes awesome products and has stellar customer service.
Was it easy to install? Any installation tips that will help others?
Install was quick and easy, take your time.
Once you've had a chance to use the product, did it meet your expectations?
Its loud, I love it.
Any additional comments?
Go with the Pro Dry S filter, its the best.
View on Mason's build
California prop 65 warningWARNING: Cancer and Reproductive Harm www.p65warnings.cs.gov

*Some manufacturer restrictions apply.

About AFE Filters

aFe, or Advanced FLOW Engineering is one of the industry leading manufacturers of cold air intakes, air filters, oil filters and all things related to optimizing your air induction. Once you have all those nifty throttle body spacers and a gaping turbo manifold, you’ll definitely need a fuel adjustment. aFe has you covered there too. They offer many different programmers that will keep your ride well fed and offering ideal gas milage. Founded in 1999 in SoCal, aFe continues to raise the bar and keep your engine well aspirated!

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we ship worldwide!

Based in California with 3 warehouses across the country, we’re sending out shipments everyday of the week, even Saturdays. Because your next mod shouldn’t have to wait.

+ FREE GROUND SHIPPING ON U.S. ORDERS OVER $99
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Have a question? Ask an Expert!

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- but not to worry! Our team of experienced American Muscle, JDM, Euro, and off-road tuners are ready to answer your questions (as long as we’re not in the garage wrenching on our own builds).

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Wheelwell helps you organize all your stuff for your car, I’ve loaded all my cars on Wheelwell and you can see all the parts I’ve put in them and that may help you make a decision with your own build.

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Matt Farah

Smoking Tire / The Drive

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Thank you for all the help, really. You guys are awesome. This is all great info and I really appreciate everything you have done to help me with my build.

James M.

Ford Focus ST

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Your customer service is wonderful. Thank you for taking care of this. My review will express all. Thank you!

Wallace R

Chevrolet Silverado 1500