Why shop with us?
Lowest Price Guarantee: We do our best to always have the lowest price on our website, but if you found an even lower price somewhere else let us know. We will match the other price and thrown in an extra $25 store credit towards your next purchase.
Financing: We offer 6 months no interest financing. Get the products now, pay later. You can at anytime pay the full amount or make partial payments during these 6 months. If after 6 months, you still have balance remaining on your account there will be a minimum monthly payment with interest applied, subject to credit approval.
Customer Service: We offer the best customer service, period! Don’t take our word for it, check out what our customers have to say about Extreme Power House https://www.x-ph.com/customer-reviews/
Hours: We are open 7 days a week from 8 AM to 11 PM Pacific Time.
Contact us: For any questions you can pm / email [email protected] or call 725-221-5267. If you contact us during business hours, expect a reply within the hour. If you contact us outside of the regular business hours, expect a reply within 6 hours.
Chat: Looking for an immediate response to your questions? Go to our website www.x-ph.com and use our chat functionality.
Payments: You can make a purchase directly on our website www.x-ph.com or give us a call at 725-221-5267 and we can process your order over the phone.
Shipping: Expect to get a tracking number from us same day of your order completion. We try our best to get the products delivered to you ASAP. We ship items using USPS, UPS and FedEx. Contact [email protected] for expedited shipping options.
Inventory: We stock all the popular products at our Las Vegas warehouse. If item is not in stock, we will get it drop shipped to you directly from the manufacturer’s location.
XPH Rewards: We now offer Extreme Power House loyalty points to all our loyal customers. Earn 1 point after every $1 you spend with us. Earn more by sharing our website on social media and referring your friends.
Newsletter: Join our newsletter for the latest XPH news, exclusive deals, group buys and coupon codes. We also offer exclusive newsletter flash sales.
Upgrade from the stock B58 downpipe to the MAD B58 catless downpipe for maximum airflow, power, and sound!
Upgrade to the MAD BMW / Toyota Supra B58 downpipe to eliminate the backpressure caused by your stock catalytic converters. By upgrading to our downpipe, your turbo can now spool faster and achieve maximum power. As a bonus, your car will sound a lot nicer as well.
Expect up to a 30HP increase on a tuned BMW / Toyota Supra B58 with stock turbo, even more on cars with upgraded turbo.
The heat will expand/weaken the pipes, while with engine movement, the flex pipe will help reduce the stress on that red hot expanded/weakened pipes.
Compatible with right-hand drive and left-hand drive vehicles
Smooth bends for maximum airflow without any drone
Up to 30HP increase on the stock turbos, even more on upgraded turbos
Lifetime warranty on defects and fitment
90 day return period
All orders ship in 1-2 business days
Spot on fitment
The suggested retail price is $299
2015+ BMW M240i & Xdrive
2016-2019 BMW 340i & Xdrive
2020+ BMW M340i & Xdrive
2016+ BMW 440i & Xdrive
2016+ BMW 540i & Xdrive
2016+ BMW 740i & Xdrive
2017-2020 X3 M40
2017-2020 X4 M40
2019+ Toyota Supra 3.0L